3.1

acceptance

act of an authorized representative of the customer by which the customer assumes for itself, or as an agent of another party, ownership of existing and specified products tendered, or confirms satisfactory performance of specific services, as partial or complete performance of the contract on the part of the supplier

3.2

acceptance stage

verification stage with the objective of demonstrating that the product is free of workmanship defects and integration errors and ready for its intended use

3.3

acceptance test

test to determine that a system, subsystem, component, or functional part is capable of meeting performance requirements prescribed in purchase specifications or other documents specifying what constitutes the adequate performance capability for the item and to demonstrate the item is free from manufacturing defects

3.4

accident

undesired event arising from operation of any project–specific item that results in

a.    human death or injury,

b.    loss of, or damage to, project hardware, software or facilities that can then affect the accomplishment of the mission,

c.    loss of, or damage to, public or private property, or

d.    detrimental effects on the environment

NOTE      Accident and mishap are synonymous.

[EN 13701:2001]

3.5

alert

formal notification to users, informing them of failures or nonconformity of items, already released for use or not, which could also be present on other items already delivered [e.g. items with identical design concept, materials, components or processes]

NOTE      An alert can also be raised when a deficiency in the specified requirements, which can affect the fitness for purpose in the defined application, has been identified.

[EN 13701:2001]

3.6

allowable load

maximum load that can be permitted in a structural part for a given operating environment to prevent rupture, collapse, detrimental deformation or unacceptable crack growth

NOTE      Adapted from ISO 14623:2003.

3.7

allowable stress

maximum stress that can be permitted in a structural part for a given operating environment to prevent rupture, collapse, detrimental deformation or unacceptable crack growth

NOTE      Adapted from ISO 14623:2003.

3.8

anomaly

any deviation from the expected situation

[EN 13701:2001]

3.9

applicable document

document that contains provisions which through reference in the source document incorporates additional provisions in the source document

NOTE      In this context, a provision is an expression that takes the form of a statement, an instruction, a recommendation or a requirement.

3.10

approval

formal agreement to use or apply an item

NOTE 1   Approval implies that the approving authority has verified that the item conforms to its requirements.

NOTE 2   Adapted from EN 13701:2001.

3.11

assembly

combination of parts, components and units which forms a functional entity

NOTE      An assembly can be disassembled and retain its capabilities after reassembly.

3.12

assurance

planned and systematic activities implemented, and demonstrated as needed, to provide adequate confidence that an entity fulfils its requirements

[EN 13701:2001]

3.13

audit

systematic, independent and documented process for obtaining audit evidence and evaluating it objectively to determine the extent to which audit criteria are fulfilled

NOTE      Internal audits, sometimes called first–party audits, are conducted by, or on behalf of, the organization itself for internal purposes and can form the basis for the organization’s self–declaration of conformity. External audits include what are generally termed “second–”or third party audits. Second–party audits are conducted by parties having an interest in the organization, such as customers, or by other persons on their behalf. Third–party audits are conducted by external independent organizations. Such organizations provide certification or registration of conformity with requirements such as those of ISO 1400:1996. When qualityand environmental management systems are audited together, this is termed “combined audit”. When two or more auditing organizations cooperate to audit a single auditee jointly, this is termed “joint audit”.

[ISO 9000:2000]

3.14

audit client

organization or person requesting an audit

[ISO 9000:2000]

3.15

audit conclusion

outcome of an audit provided by the audit team after consideration of the audit objectives and all audit findings

[ISO 9000:2000]

3.16

audit criteria

set of policies, procedures or requirements used as a reference

[ISO 9000:2000]

3.17

audit evidence

records, statements of fact or other information which are relevant to the audit criteria and verifiable

NOTE      Audit evidence can be qualitative or quantitative.

[ISO 9000:2000]

3.18

audit findings

results of the evaluation of the collected audit evidence against audit criteria

NOTE      Audit findings can indicate either conformity or nonconformity with audit criteria, or opportunities for improvement.

[ISO 9000:2000]

3.19

audit programme

set of one or more audits planned for a specific time frame and directed towards a specific purpose

[ISO 9000:2000]

3.20

audit team

one or more auditors conducting an audit

NOTE 1   One auditor in the audit team is generally appointed as audit team leader.

NOTE 2   The audit team can include auditors–in–training and, where required, technical experts.

NOTE 3   Observers can accompany the audit team but not act as part of it.

[ISO 9000:2000]

3.21

auditee

organization being audited

[ISO 9000:2000]

3.22

auditor

person with the competence to conduct an audit

[ISO 9000:2000]

3.23

availability

ability of an item to be in a state to perform a required function under given conditions at a given instant of time or over a given time interval, assuming that the required external resources are provided

NOTE 1   This ability depends on the combined aspects of the reliability performance, the maintainability performance and the maintenance support performance.

NOTE 2   Required external resources, other than maintenance resources do not affect the availability performance of the item.

NOTE 3   When referring to the measure for availability, the preferred term is “instantaneous availability”.

NOTE 4   Adapted from IEC Multilingual Dictionary:2001 edition.

[EN 13701:2001]

3.24

bakeout

activity of increasing the temperature of hardware to accelerate its outgassing rates with the intent of reducing the content of molecular contaminants within the hardware

NOTE      Bakeout is usually performed in a vacuum environment, but may be done in a controlled atmosphere.

3.25

baseline

set of information which describes exhaustively a situation at a given instant of time or over a given time interval

[EN 13701:2001]

NOTE      It is generally used as a reference for comparison with and analysis of subsequent evolutions of the information.

3.26

black box

representation of an item whereby its internal composition is not essential to understand its function, and only its interface characteristics are considered

3.27

business agreement

any agreement between two or more parties for the supply of goods or services

[EN 13701:2001]

3.28

calibration

all the operations for the purpose of determining the values of the errors and, if necessary, other metrological properties of a measuring instrument

NOTE      The metrological use of the term “calibration” is often extended to include operations such as adjustments, scale graduation, etc. This use is deprecated.

[IEC Multilingual Dictionary:2001 edition]

3.29

capability

ability of an organization, system or process to realize a product that will fulfil the requirements for that product

NOTE      Process capability terms in the field of statistics are defined in ISO 3534-2.

[ISO 9000:2000]

3.30

caution condition

condition which has the potential to degrade into a warning condition, and which can call for specific action, including the implementation of special procedures or restrictions on the operation of the system

[EN 13701:2001]

3.31

certification

procedure by which a third party gives written assurance that a product, process or service conforms to specified requirements

[EN 45020:1998]

3.32

characteristic

distinguishing feature

NOTE 1   A characteristic can be inherent or assigned.

NOTE 2   A characteristic can be qualitative or quantitative.

NOTE 3   There are various classes of characteristic, such as the following:

physical (e.g. mechanical, electrical, chemical or biological characteristics);

sensory (e.g. related to smell, touch, taste, sight, hearing);

behavioral (e.g. courtesy, honesty, veracity);

temporal (e.g. punctuality, reliability, availability);

ergonomic (e.g. physiological characteristic, or related to human safety);

functional (e.g. maximum speed of an aircraft).

[ISO 9000:2000]

3.33

clean area

area that have contamination control by physical design and specified operating procedures

NOTE      Examples of such areas are cleanrooms, controlled areas and good housekeeping.

3.34

common cause failure

failure of multiple items occurring from a single cause that is common to all of them

[EN 13701:2001]

3.35

common mode failure

failure of multiple identical items that fail in the same mode

NOTE      Common mode failures are a particular case of common cause failures.

[EN 13701:2001]

3.36

common mode fault

fault of multiple items that exhibit the same fault mode

[EN 13701:2001]

3.37

competence

demonstrated ability to apply knowledge and skills

[ISO 9000:2000]

3.38

concession

permission to use or release a product that does not conform to specified requirements

NOTE 1   A concession is generally limited to the delivery of a product that has nonconforming characteristics within specified limits for an agreed period of time or quantity of that product.

[ISO 9000:2000]

NOTE 2   The term “waiver” is synonymous with the word “concession”.

3.39

configuration

functional or physical characteristics of a product defined in configuration definition documents subject to configuration baseline

NOTE      Adapted from ISO 10007:2003.

3.40

configuration baseline

approved status of requirements and design of a product at project key milestone that serves as reference for activities throughout the life cycle of the product

NOTE      Adapted from ISO 10007:2003.

3.41

configuration control

coordinated activities for controlling modifications to a configuration baseline

NOTE      Request for deviations are also considered modifications to a baseline.

3.42

configuration document

document that defines the requirements for function, design, build, production, and verification for a configuration item

NOTE      For space standards, configuration documents can include documents relating to operation and disposal of the configuration item.

3.43

configuration identification

coordinated activities to establish rules for configuration item selection, configuration baseline content definition, and product and document identifiers definition

3.44

configuration item

aggregation of hardware, software, processed materials, services or any of its discrete portions, that is designated for configuration management and treated as a single entity in the configuration management process

NOTE      A configuration item can contain other configuration item(s).

3.45

configuration management

activity for establishing and maintaining consistent records of the performance parameters of a product and its functional and physical attributes compared to product design and operational requirements

NOTE 1   Configuration management is applied throughout the entire life cycle of the product (i.e. development, production, deployment, operation and disposal).

NOTE 2   Adapted from ISO 10007:2003.

3.46

configuration status accounting

formalized recording and reporting of product characteristics and configuration information, the status of applicable changes and the status of their implementation

NOTE      Adapted from ISO 10007:2003.

3.47

configuration verification

coordinated activities to determine the conformity of the configuration item to its configuration document(s)

3.48

conformity

fulfilment of a requirement

NOTE 1   This definition is consistent with ISO/IEC Guide 2 but differs from it in phrasing to fit into the ISO 9000 concepts.

NOTE 2   The term “conformance” is synonymous but deprecated.

[ISO 9000:2000]

3.49

constraint

characteristic, result or design feature which is made compulsory or has been prohibited for any reason.

NOTE 1   Constraints are generally restrictions on the choice of solutions in a system.

NOTE 2   Two kinds of constraints are considered, those which concern solutions, and those which concern the use of the system.

NOTE 3   For example constraints can come from environmental and operational conditions, law, standards, market demand, investments and means availability, or the organization’s policy.

NOTE 4   Adapted from EN 1325-1:1997.

3.50

contamination

introduction of any undesirable molecular or particulate matter (including microbiological matter) to an item or to the environment of interest

3.51

contingency procedure

pre–planned procedure to be executed in response to a departure from specified behaviour

[EN 13701:2001]

3.52

continual improvement

recurring activity to increase the ability to fulfil requirements

NOTE      The process of establishing objectives and finding opportunities for improvement is a continual process through the use of audit findings and audit conclusions, analysis of data, management reviews or other means and generally leads to corrective action or preventive action.

[ISO 9000:2000]

3.53

contract

any legally enforceable business agreement for the supply of goods or services

NOTE      A contract is a special case of a business agreement in which payment is associated with the contract conditions.

3.54

contractor

supplier in a contractual situation

3.55

correction

action to eliminate a detected nonconformity

NOTE 1   A correction can be made in conjunction with a corrective action.

NOTE 2   A corrective action can be, for example, rework or regrade.

[ISO 9000:2000]

3.56

corrective action

action to eliminate the cause of a detected nonconformity or other undesirable situation

NOTE 1   There can be more than one cause for a nonconformity.

NOTE 2   Corrective action is taken to prevent recurrence whereas preventive action is taken to prevent occurrence.

NOTE 3   There is a distinction between correction and corrective action.

 [ISO 9000:2000]

3.57

corrosion

deterioration of a material by chemical or electrochemical reaction with its environment

3.58

cost breakdown structure

hierarchical structure which depicts elements of cost

3.59

critical item

component, material, software, sub–assembly, function, process or technology, which requires special project attention

EXAMPLE 1      An item is critical, if it is not qualified or validated for the application in question (or has raised problems previously which remained unresolved).

EXAMPLE 2      An item is critical, if it is difficult to demonstrate design performance.

EXAMPLE 3      An item is critical, if it is highly sensitive to the conditions under which it is produced or used (e.g. contamination, radiation).

EXAMPLE 4      An item is critical, if it is out of tolerance, because it has the potential to degrade the quality of the product significantly, and so the ability of the end–product to accomplish defined mission objectives.

EXAMPLE 5      An item is critical, if major difficulties or uncertainties are expected in the procurement, manufacturing, assembly, inspection, test, handling, storage and transportation, which have the potential to lead to major degradation in the quality of the product.

3.60

critical path

series of activities that determines the earliest completion of the project

NOTE      As a consequence, any delay of one task belonging to the critical path extends the project duration.

3.61

customer

organization or person that receives a product

EXAMPLE      Consumer, client, end–user, retailer, beneficiary and purchaser.

NOTE      A customer can be internal or external to the organization.

[ISO 9000:2000]

3.62

customer satisfaction

customer’s perception of the degree to which the customer’s requirements have been fulfilled

NOTE 1   Customer complaints are a common indicator of low customer satisfaction but their absence does not necessarily imply high customer satisfaction.

NOTE 2   Even when customer requirements have been agreed with the customer and fulfilled, this does not necessarily ensure high customer satisfaction.

[ISO 9000:2000]

3.63

defect

non–fulfilment of a requirement related to an intended or specified use

NOTE 1   The distinction between the concepts defect and nonconformity is important as it has legal connotations, particularly those associated with product liability issues. Consequently the term “defect” should be used with extreme caution.

NOTE 2   The intended use as intended by the customer can be affected by the nature of the information, such as operating or maintenance instructions, provided by the supplier.

[ISO 9000:2000]

3.64

dependability

collective term used to describe the availability performance and its influencing factors: reliability performance, maintainability performance and maintenance support performance

NOTE      Dependability is used only for general descriptions in non–quantitative terms.

[ISO 9000:2000]

3.65

derating

process of designing a product such that its components operate at a significantly reduced level of stress to increase reliability

[EN 13701:2001]

3.66

design, noun

<result> set of information that defines the characteristics of a product

NOTE      Adapted from EN 13701:2001.

3.67

design, noun

<activity>process used to generate the set of information defining the characteristics of a product

NOTE      Adapted from EN 13701:2001.

3.68

design and development

set of processes that transforms requirements into specified characteristics or into the specification of a product, process or system

NOTE 1   The terms “design” and “development” are sometimes used synonymously and sometimes used to define different stages of the overall design and development process.

NOTE 2   A qualifier can be applied to indicate the nature of what is being designed and developed (e.g. product design and development).

[ISO 9000:2000]

3.69

design to minimum risk

design of a product to an acceptable residual risk solely by conformance to specific requirements for safety, other than failure tolerance

[EN 13701:2001]

3.70

development

process by which the capability to adequately implement a technology or design is established before manufacture

NOTE      This process can include the building of various partial or complete models of the products and assessment of their performance.

[EN 13701:2001]

3.71

deviation permit

permission to depart from the originally specified requirements for a product prior to realization

NOTE      A deviation permit is generally given for a limited quantity of product or period of time, and for a specific use.

[ISO 9000:2000]

3.72

document

information and its supporting medium

EXAMPLE      record, specification, procedure document, drawing, report, standard.

NOTE 1   The medium can be paper, magnetic, electronic or optical computer disc, photograph or master sample, or a combination thereof.

NOTE 2   A set of documents, for example specifications and records, is frequently called “documentation”.

NOTE 3   Some requirements (e.g. the requirement to be readable) relate to all types of documents, however there can be different requirements for specifications (e.g. the requirement to be revision controllable) and records (e.g. the requirement to be retrievable).

[ISO 9000:2000]

3.73

EEE component

device that performs an electrical, electronic or electromechanical function and consists of one or more elements so joined together that they cannot normally be disassembled without destroying this capability

NOTE      The term EEE component can be used interchangeably with the term EEE part.

[EN 13701:2001]

3.74

effectiveness

extent to which planned activities are realized and planned results achieved

[ISO 9000:2000]

3.75

efficiency

relationship between the result achieved and the resources used

[ISO 9000:2000]

3.76

emergency

condition when potentially catastrophic or critical hazardous events have occurred, and immediate and preplanned safing action is possible and is mandatory in order to protect personnel

[EN 13701:2001]

3.77

environment

natural conditions and induced conditions that constrain the design definitions or operations for end products and their enabling products

NOTE 1   Examples of natural conditions are weather, climate, ocean conditions, terrain, vegetation, dust, light and radiation.

NOTE 2   Examples of induced conditions are electromagnetic interference, heat, vibration, pollution and contamination.

3.78

equipment

associated assemblies intended to achieve a defined final objective

[IEC Multilingual Dictionary:2001 edition]

3.79

error

a discrepancy between a computed, observed or measured value or condition and the true, specified or theoretically correct value or condition

NOTE      An error can be caused by a faulty item, e.g. a computing error made by faulty computer equipment.

[IEC Multilingual Dictionary:2001 edition]

3.80

estimate at completion

sum of costs incurred up to the cut–off date and the respective estimate to completion

NOTE      Adapted from EN 13701:2001.

3.81

estimate to completion

estimate of all costs from the cut–off date required to deliver the product, based on work to be completed, and approved anticipated contract changes

NOTE      Adapted from EN 13701:2001.

3.82

fail-safe

design property of an item which prevents its failures from resulting in critical faults

[IEC Multilingual Dictionary:2001 edition]

3.83

failure

the termination of the ability of an item to perform a required function

NOTE 1   After failure, the item has a fault.

NOTE 2   This concept as defined does not apply to items consisting of software only.

[IEC Multilingual Dictionary:2001 edition]

3.84

failure mode

observable effect of the mechanism through which the failure occurs e.g. short–circuit, open–circuit, fracture, excessive wear

NOTE      This term is equivalent to the term “fault mode” in IEC Multilingual Dictionary:2001 edition.

3.85

failure tolerance

the attribute of an item that makes it able to perform a required function in the presence of certain given sub–item failures

3.86

fault, noun

<state> state of an item characterized by inability to perform as required, excluding the inability during preventative maintenance or other planned actions, or due to lack of external resources

NOTE 1   A fault is often the result of a failure of the item itself, but can exist without prior failure.

NOTE 2   Adapted from IEC Multilingual Dictionary:2001 edition.

3.87

fault, noun

<event> unplanned occurrence or defect in an item which can result in one or more failures of the item itself or of other associated equipment

[IEC Multilingual Dictionary:2001 edition]

NOTE      An item can contain a sub–element fault, which is a defect that can manifest itself only under certain circumstances. When those circumstances occur, the defect in the sub–element will cause the item to fail, resulting in an error. This error can propagate to other items causing them, in turn, to fail. After the failure occurs, the item as a whole is said to have a fault or to be in a faulty state.

3.88

fault tolerance

the attribute of an item that makes it able to perform a required function in the presence of certain given sub–item faults

[IEC Multilingual Dictionary:2001 edition]

3.89

firmware

hardware that contains a computer program or data that cannot be changed in its user environment

NOTE      The computer program and data contained in firmware are classified as software; the circuitry containing the computer program and data is classified as hardware.

[ISO/IEC 9126-1:2001]

3.90

flammability

measure of the ease with which a material is set on fire

3.91

flashpoint

lowest temperature at which a material gives off flammable vapour that, when mixed with the test atmosphere and exposed to an ignition source, provides a non–self–sustaining flash

3.92

flight operations

all activities related to the planning, execution and evaluation of the control of the space segment (or subsets thereof) when in orbit

3.93

function

intended effect of a system, subsystem, product or part

NOTE      Adapted from EN 1325-1:1997.

3.94

function tree

hierarchical decomposition of the system performances into functions and sub–functions that when all are fulfilled completes the overall system mission

3.95

functional analysis

technique of identifying and describing all functions of a system

NOTE      Adapted from EN 1325-1:1997.

3.96

grade

category or rank given to different qualityrequirements for products, processes or systems having the same functional use

EXAMPLE      Class of airline ticket or category of hotel in hotel guide.

NOTE      When establishing a quality requirement, the grade is generally specified.

[ISO 9000:2000]

3.97

ground operations

all activities related to the planning, execution and evaluation of the control of the ground segment (or subsets thereof) facility

3.98

ground systems

all ground infrastructure elements that are used to support the preparation activities leading up to mission operations, the conduct of mission operations and all post-operational activities

3.99

hazard

existing or potential condition of an item that can result in an accident

NOTE 1   This condition can be associated with the design, fabrication, operation or environment of the item, and has the potential for accidents.

NOTE 2   “Items” can include human beings.

NOTE 3   Adapted from ISO 14620-2:2000.

3.100

hazardous event

occurrence leading to undesired consequences and arising from the triggering by one (or more) initiator events of one (or more) hazards

3.101

human error

inappropriate or undesirable human decision or behavior that reduces, or has the potential for reducing effectiveness, safety, or system performance

3.102

implementation documents

formal response from a supplier to the customer describing how all requirements will be met

NOTE      Adapted from EN 13701:2001.

3.103

incident

unplanned event that could have been an accident but was not

[EN 13701:2001]

3.104

information

meaningful data

[ISO 9000:2000]

3.105

infrastructure

<organization> system of facilities, equipment and services needed for the operation of an organization

[ISO 9000:2000]

3.106

inhibit

design feature that provides a physical interruption between an energy source and a function actuator

[EN 13701:2001]

EXAMPLE      A relay or transistor between a pyrotechnic initiator, a latch valve between a propellant tank and a thrusters.

NOTE      Two inhibits are independent if no single failure can eliminate more than one inhibit.

3.107

inspection

conformity evaluation by observation and judgement accompanied as appropriate by measurement, testing or gauging

[ISO 9000:2000]

3.108

instantaneous availability

the probability that an item is in a state to perform a required function under given conditions at a given instant of time, assuming that the required external resources are provided

[IEC Multilingual Dictionary:2001 edition]

3.109

integration

process of physically and functionally combining lower level products (hardware or software) to obtain a particular functional configuration

3.110

integrity

characteristics of an item, which remains unaltered after a process had been applied to it

3.111

interface

mechanical, thermal, electrical, or operational common boundary between two elements of a system

3.112

item

any part, component device, subsystem, functional unit, equipment or system that can be individually considered

[IEC Multilingual Dictionary:2001 edition]

3.113

launcher

vehicle design to carry payloads into space

NOTE      The term “launch vehicle” is synonymous.

3.114

life cycle

all the phases of acquisition, operation and logistic support of an item beginning with needs identification through disposal of the item

3.115

life cycle cost

total cost of an item during acquisition, operation, maintenance, and the disposal

NOTE      Adapted from EN 13701:2001.

3.116

life profile

chronological description of the situations to which a product is submitted from its manufacturing to its disposal

3.117

lifetime

period over which any of the item properties are required to be within defined limits

3.118

maintainability

ability of an item under given conditions of use, to be retained in, or restored to, a state in which it can perform a required function, when maintenance is performed under given conditions and using stated procedures and resources

NOTE 1   The term “maintainability” is also used as a measure of maintainability performance (i.e. the probability that a given active maintenance action, for an item under given conditions of use can be carried out within a stated time interval, when maintenance is performed under stated conditions and using stated procedures and resources).

NOTE 2   Adapted from IEC Multilingual Dictionary:2001 edition.

3.119

maintenance

the combination of all technical and administrative actions, including supervision actions, intended to retain an item in, or restore it to, a state in which it can perform a required function

[IEC Multilingual Dictionary:2001 edition]

3.120

management

coordinated activities to direct and control an organization

NOTE      In English, the term “management” sometimes refers to people, i.e. a person or group of people with authority and responsibility for the conduct and control of an organization. When “management” is used in this sense it should always be used with some form of qualifier to avoid confusion with the concept “management” defined above. For example, “management shall ” is deprecated whereas top management shall ” is acceptable.

[ISO 9000:2000]

3.121

management system

system to establish policy and objectives and to achieve those objectives

NOTE      A management system of an organization can include different management systems, such as a quality management system, a financial management system or an environmental management system.

[ISO 9000:2000]

3.122

material

raw, semi–finished or finished purchased item (gaseous, liquid, solid) of given characteristics from which processing into a functional element of the product is undertaken

[EN 13701:2001]

3.123

matériel

collective term for items, such as articles, supplies, machinery used in an organization, as distinguished from the personnel or body of persons employed

[EN 13701:2001]

3.124

mean time between failures

the expectation of the time between failures

NOTE      In English, the use of the abbreviation MTBF in this sense is now deprecated.

[IEC Multilingual Dictionary:2001 edition]

3.125

measurement control system

set of interrelated or interacting elements necessary to achieve metrological confirmation and continual control of measurement processes

[ISO 9000:2000]

3.126

measurement process

set of operations to determine the value of a quantity

[ISO 9000:2000]

3.127

measuring equipment

measuring instrument, software, measurement standard, reference material or auxiliary apparatus or combination thereof necessary to realize a measurement process

[ISO 9000:2000]

3.128

mechanical part

piece of hardware which is not electrical, electronic or electromechanical, and which performs a simple elementary function or part of a function in such a way that it can be evaluated as a whole against expected requirements of performance and cannot be disassembled without destroying this capability

[EN 13701:2001]

3.129

metrological characteristic

distinguishing feature which can influence the results of measurement

NOTE 1   measuring equipment usually has several metrological characteristics.

NOTE 2   Metrological characteristics can be the subject of calibration.

[ISO 9000:2000]

3.130

metrological confirmation

set of operations required to ensure that measuring equipment conforms to the requirements for its intended use

NOTE 1   Metrological confirmation generally includes calibration or verification, any necessary adjustment or repair and subsequent recalibration, comparison with the metrological requirements for the intended use of the equipment, as well as any required sealing and labelling.

NOTE 2   Metrological confirmation is not achieved until and unless the fitness of the measuring equipment for the intended use has been demonstrated and documented.

NOTE 3   The requirements for the intended use include such considerations as range, resolution, maximum permissible errors, etc.

NOTE 4   Metrological confirmation requirements are usually distinct from and are not specified in product requirements.

[ISO 9000:2000]

3.131

metrological function

function with organizational responsibility for defining and implementing the measurement control system

[ISO 9000:2000]

3.132

mission

specific task, duty or function defined to be accomplished by a system

[EN 13701:2001]

3.133

model

physical or abstract representation of relevant aspects of an item or process that is put forward as a basis for calculations, predictions or further assessment

[Oxford English Dictionary]

NOTE      Model can also be used to identify particular instances of the product e.g. flight model.

3.134

need

what is necessary for, or desired by, the user

NOTE 1   A need can be declared or undeclared; it can be an existing or a potential one.

[EN 1325-1:1997]

NOTE 2   The user is a person or an organization for which the product is designed and which exploits at least one of its functions at any time during its life cycle.

NOTE 3   For the space community, the needs are often called mission statement.

3.135

nonconformance

see “nonconformity

3.136

nonconformity

non–fulfilment of a requirement

[ISO 9000:2000]

NOTE      The term “nonconformance” is synonymous.

3.137

normative document

document that provides rules, guidelines or characteristics for activities or their results

NOTE 1   The term “normative document” is a generic term that covers such documents as standards, technical specifications, codes of practice and regulations.

NOTE 2   Adapted from EN 45020:1998.

3.138

normative reference

reference which incorporates provisions from a cited publication into a normative document

NOTE      Adapted from EN 13701:2001.

3.139

objective evidence

data supporting the existence or verity of something

NOTE      Objective evidence may be obtained through observation, measurement, test, or other means.

[ISO 9000:2000]

3.140

organization

group of people and facilities with an arrangement of responsibilities, authorities and relationships

EXAMPLE      Company, corporation, firm, enterprise, institution, charity, sole trader, association, project or parts or combination thereof.

NOTE 1   The arrangement is generally orderly.

NOTE 2   An organization can be public or private.

NOTE 3   This definition is valid for the purposes of quality management system standards. The term “organization” is defined differently in ISO/IEC Guide 2.

[ISO 9000:2000]

3.141

organizational structure

arrangement of responsibilities, authorities and relationships between people

NOTE      Adapted from ISO 9000:2000.

3.142

outage

the state of an item of being unable to perform its required function

[IEC Multilingual Dictionary:2001 edition]

3.143

part

hardware item that cannot be disassembled without destroying the capability to perform its required function

[EN 13701:2001]

3.144

payload

total complement of specific instruments, space equipment, support hardware, and consumables carried in the spacecraft to accomplish a discrete activity in space

3.145

performance

aspects of an item observed or measured from its operation or function

NOTE 1   These aspects are generally quantified.

NOTE 2   Adapted from EN 13701:2001.

3.146

preventive action

action to eliminate the cause of a potential nonconformity, or other undesirable potential situation

NOTE 1   There can be more than one cause for a potential nonconformity.

NOTE 2   Preventive action is taken to prevent occurrence whereas corrective action is taken to prevent recurrence.

[ISO 9000:2000]

3.147

procedure

specified way to carry out an activity or process

NOTE 1   Procedures can be documented or not.

NOTE 2   When a procedure is documented, the term “written procedure” or “documented procedure” is frequently used. The document that contains a procedure can be called a “procedure document”.

[ISO 9000:2000]

3.148

process

set of interrelated or interacting activities which transform inputs into outputs

NOTE 1   Inputs to a process are generally outputs of other processes.

NOTE 2   Processes in an organization are generally planned and carried out under controlled conditions to add value.

NOTE 3   A process where the conformity of the resulting product cannot be readily or economically verified is frequently referred to as a “special process”.

[ISO 9000:2000]

3.149

product

result of a process

NOTE 1   There are four generic product categories, as follows:

services (e.g. transport);

software (e.g. computer program, dictionary);

hardware (e.g. engine mechanical part);

processed materials (e.g. lubricant).

Many products comprise elements belonging to different generic product categories. Whether the product is then called service, software, hardware or processed material depends on the dominant element. For example the offered product “automobile” consists of hardware (e.g. tyres), processed materials (e.g. fuel, cooling liquid), software (e.g. engine control software, driver’s manual), and service (e.g. operating explanations given by the salesman).

NOTE 2   Service is the result of at least one activity necessarily performed at the interface between the supplier and customer and is generally intangible. Provision of a service can involve, for example, the following:

an activity performed on a customer–supplied tangible product (e.g. automobile to be repaired);

an activity performed on a customer–supplied intangible product (e.g. the income statement needed to prepare a tax return);

the delivery of an intangible product (e.g. the delivery of information in the context of knowledge transmission);

the creation of ambience for the customer (e.g. in hotels and restaurants).

Software consists of information and is generally intangible and can be in the form of approaches, transactions or procedures.

Hardware is generally tangible and its amount is a countable characteristic. Processed materials are generally tangible and their amount is a continuous characteristic. Hardware and processed materials often are referred to as goods.

NOTE 3   quality assurance is mainly focused on intended product.

[ISO 9000:2000]

3.150

product assurance

discipline devoted to the study, planning and implementation of activities intended to assure that the design, controls, methods and techniques in a project result in a satisfactory degree of qualityin a product

[EN 13701:2001]

3.151

product state

particular configurationof the product related to the current configuration baseline

[EN 13701:2001]

3.152

product tree

hierarchical structure depicting the product orientated breakdown of the project into successive levels of detail down to the configuration items necessary to deliver the required functions

3.153

programme

group of projects managed in a coordinated way to obtain benefits not available from managing them individually

[PMI Institute]

3.154

project

unique process consisting of a set of coordinated and controlled activities with start and finish dates, undertaken to achieve an objective conforming to specific requirements, including constraints of time, cost and resources

NOTE 1   An individual project can form part of a larger project structure.

NOTE 2   In some projects the objectives are refined and the product characteristics defined progressively as the project proceeds.

NOTE 3   The outcome of a project may be one or several units of a product.

NOTE 4   Adapted from ISO 10006:1997.

[ISO 9000:2000]

3.155

project phase

part of a total project during which activities are performed to attain a designated objective as one of a series of distinct steps in carrying out a project that together constitute the project life cycle

NOTE      Adapted from BS 6079:1996

3.156

project requirements documents

documents, including all normative references, which establish requirements

NOTE 1   Examples of project requirements documents include, standards, management specifications, technical specifications, statements of work and data requirement lists.

NOTE 2   This does not include the contract and associated terms and conditions.

NOTE 3   Adapted from EN 13701:2001.

3.157

provision

expression in the context of a normative document, that takes the form of a statement, an instruction, a recommendation or a requirement

NOTE      These types of provision are distinguished by the form of wording the employ, e.g. instructions are expressed in the imperative mood, recommendations by the use of the auxiliary “should” and requirements by the use of the auxiliary “shall”.

[EN 45020:1998]

3.158

purchaser

customer in a contractual situation

NOTE      The purchaser is sometimes referred to as the “business second party”.

[EN 13701:2001]

3.159

qualification process

process to demonstrate the ability to fulfil specified requirements

NOTE 1   The term “qualified” is used to designate the corresponding status.

NOTE 2   Qualification can concern persons, products, processes or systems.

EXAMPLE      Auditor qualification process, material qualification process.

[ISO 9000:2000]

3.160

quality

degree to which a set of inherent characteristics fulfils requirements

NOTE 1   The term “quality” can be used with adjectives such as poor, good or excellent.

NOTE 2   “Inherent”, as opposed to “assigned”, means existing in something, especially as a permanent characteristic.

[ISO 9000:2000]

3.161

quality assurance

part of quality management focused on providing confidence that quality requirements will be fulfilled

[ISO 9000:2000]

3.162

quality characteristic

inherent characteristic of a product, process or system related to a requirement

NOTE 1   Inherent means existing in something, especially as a permanent characteristic.

NOTE 2   A characteristic assigned to a product, process or system (e.g. the price of a product, the owner of a product) is not a qualitycharacteristic of that product, process or system.

[ISO 9000:2000]

3.163

quality control

part of quality management focused on fulfilling quality requirements

[ISO 9000:2000]

3.164

quality improvement

part of quality management focused on increasing the ability to fulfil quality requirements

NOTE      The requirements can be related to any aspect such as effectiveness, efficiency or traceability.

[ISO 9000:2000]

3.165

quality manual

document specifying the quality management system of an organization

NOTE      Quality manuals can vary in detail and format to suit the size and complexity of an individual organization.

[ISO 9000:2000]

3.166

quality plan

document specifying which procedures and associated resources shall be applied by whom and when to a specific project, product, process or contract

NOTE 1   These procedures generally include those referring to quality management processes and to product realization processes.

NOTE 2   A quality plan often makes reference to parts of the quality manual or to procedure documents.

NOTE 3   A quality plan is generally one of the results of quality planning.

[ISO 9000:2000]

3.167

quality planning

part of quality management focused on setting quality objectives and specifying necessary operational processes and related resources to fulfil the quality objectives

NOTE      Establishing quality plans can be part of quality planning.

[ISO 9000:2000]

3.168

record

document stating results achieved or providing evidence of activities performed

NOTE 1   Records can be used, for example, to document traceability and to provide evidence of verification, preventive action and corrective action.

NOTE 2   Generally records need not be under revision control.

[ISO 9000:2000]

3.169

recurrent cost

costs incurred for each additional, identical item produced

3.170

redundancy

existence of more than one means for performing a given function

NOTE      Adapted from IEC Multilingual Dictionary:2001 edition.

3.171

regrade

alteration of the grade of a nonconforming product in order to make it conform to requirements differing from the initial ones

[ISO 9000:2000]

3.172

reliability

the ability of an item to perform a required function under given conditions for a given time interval

NOTE 1   It is generally assumed that the item is in a state to perform this required function at the beginning of the time interval.

NOTE 2   Generally, reliability performance is quantified using appropriate measures. In some applications these measures include an expression of reliability performance as a probability, which is also called reliability.

[IEC Multilingual Dictionary:2001 edition]

3.173

repair

action on a nonconforming product to make it acceptable for the intended use

NOTE 1   Repair includes remedial action taken on a previously conforming product to restore it for use, for example as part of maintenance.

NOTE 2   Unlike rework, repair can affect or change parts of the nonconforming product.

[ISO 9000:2000]

3.174

required function

a function or a combination of functions of an item which is considered necessary to provide a given service

[IEC Multilingual Dictionary:2001 edition]

3.175

requirement

need or expectation that is stated, generally implied or obligatory

NOTE 1   “Generally implied” means that it is custom or common practice for the organization, its customers and other interested parties, that the need or expectation under consideration is implied.

NOTE 2   A qualifier can be used to denote a specific type of requirement, e.g. product requirement, quality management requirement, customer requirement.

NOTE 3   A specified requirement is one which is stated, for example, in a document.

NOTE 4   Requirements can be generated by different interested parties.

[ISO 9000:2000]

3.176

residual risk

risk remaining after implementation of risk reduction measures

[ISO 17666:2003]

3.177

review

activity undertaken to determine the suitability, adequacy and effectiveness of the subject matter to achieve established objectives

NOTE      Review can also include the determination of efficiency.

EXAMPLE      Management review, design and development review, review of customer requirements and nonconformity review.

[ISO 9000:2000]

3.178

rework

action on a nonconforming product to make it conform to the requirements

NOTE      Unlike rework, repair can affect or change parts of the nonconforming product.

[ISO 9000:2000]

3.179

risk

undesirable situation or circumstance that has both a likelihood of occurring and a potential negative consequence on a project

NOTE      Risks arise from uncertainty due to lack of predictability or control of events, and are inherent to any project, and can arise at any time during the project life cycle; reducing these uncertainties reduces the risk.

[ISO 17666:2003]

3.180

risk management

systematic and iterative optimization of the project resources, performed according to the established project risk management policy

[ISO 17666:2003]

3.181

risk management policy

describes the organization’s attitude towards risks, how it conducts risk management, the risks it is prepared to accept and defines the main requirements for the risk management plan

[ISO 17666:2003]

3.182

safety

system state where an acceptable level of risk with respect to

      fatality,

      injury or occupational illness,

      damage to launcher hardware or launch site facilities,

      damage to an element of an interfacing manned flight system,

      the main functions of a flight system itself,

      pollution of the environment, atmosphere or outer space, and

      damage to public or private property

is not exceeded

NOTE      The term “safety” is defined differently in ISO/IEC Guide 2 as “freedom from unacceptable risk of harm”.

3.183

safety critical function

function that, if lost or degraded, or as a result of incorrect or inadvertent operation, can result in catastrophic or critical consequences

[EN 13701:2001]

3.184

safing

action of containment or control of emergency and warning situations, or placing a system (or part thereof), in a predetermined safe condition

NOTE      Adapted from EN 13701:2001.

3.185

scrap

action on a nonconforming product to preclude its originally intended use

EXAMPLE      Recycling, destruction.

NOTE      In a nonconforming service situation, use is precluded by discontinuing the service.

[ISO 9000:2000]

3.186

security

protection from unauthorized access or uncontrolled losses or effect

3.187

series production

production of recurring products

[EN 13701:2001]

3.188

severity

classification of a failure or undesired event according to the magnitude of its possible consequences

[EN 13701:2001]

3.189

single point failure

failure of an item which results in the unrecoverable failure of the product

3.190

software module

smallest program unit that is discrete and identifiable with respect to compiling, combining with other units and loading

[EN 13701:2001]

3.191

software product

set of computer programs, procedures, documentation and their associated data

3.192

software product assurance

totality of activities, standards, controls and procedures in the lifetime of a software product which establishes confidence that the delivered software product, or software affecting the qualityof the delivered product conforms to the customer requirements

3.193

space element

product or a set of products intended to be operated in space

NOTE      Adapted from EN 13701:2001.

3.194

space debris

any man made space object including fragments and elements thereof, in Earth orbit or re–entering the Earth’s atmosphere, that is non–functional

NOTE      in “elements” potassium–sodium alloy (NaK) and other such constituents are included.

3.195

space project

project that produces a space system

[EN 13701:2001]

3.196

space system

system that contains at least one space element

[EN 13701:2001]

3.197

spacecraft

any self-contained vehicle designed for space flight

NOTE      The term “space vehicle” is synonymous.

3.198

specification

document stating requirements

NOTE      A specification can be related to activities (e.g. procedure document, process specification and test specification), or products (e.g. product specification, performance specification and drawing)

[ISO 9000:2000]

3.199

standard

document, established by consensus and approved by a recognized body, that provides, for common and repeated use, rules, guidelines or characteristics for activities or their results, aimed at the achievement of the optimum degree of order in a given context.

NOTE      Standards should be based on the consolidated results of science, technology and experience, and aimed at the promotion of optimum community benefits.

[EN 45020:1998]

3.200

statement of work

contractual document prepared during project initiation and planning that describes what the project shall deliver and outlines all work required to complete the project

3.201

stress–corrosion

combined action of sustained tensile stress and corrosion that can lead to premature failure of materials

3.202

subcontract

contract between a contractor and their subordinate contractor in the customersupplier chain to obtain materials or other inputs to a product

3.203

subsystem

set of interdependent elements constituted to achieve a given objective by performing a specified function, but which does not, on its own, satisfy the customer’s need

[EN 13701:2001]

3.204

supplier

organization or person that provides a product

EXAMPLE      Producer, distributor, retailer or vendor of a product, or provider of a service or information.

NOTE 1   A supplier can be internal or external to the organization.

NOTE 2   In a contractual situation a supplier is sometimes called “contractor”.

[ISO 9000:2000]

3.205

support system

All resources and organization needed to maintain the performance capabilities of the supported system from acceptance to the end of disposal

NOTE      Some items can start as part of the system and later, modified as necessary, becomes part of the support system, (e.g. electrical ground support equipment).

[EN 13701:2001]

3.206

supported system

product which performs the functions required by the customer

[EN 13701:2001]

3.207

system

set of interrelated or interacting elements

[ISO 9000:2000]

NOTE      The system is considered to be separated from the environment and other external systems by an imaginary surface which cuts the links between them and the considered system. Through these links, the system is affected by the environment, is acted upon by external systems, or acts itself on the environment or the external systems.

3.208

tailoring

process by which individual requirements of specifications, standards and related documents are evaluated, and made applicable to a specific project by selection, and in some exceptional cases, modification of existing or addition of new requirements

NOTE      The evaluation determines the extent to which the requirements are most suitable for the acquisition or development of constituents of a space project.

[EN 13701:2001]

3.209

technical expert

<audit> person who provides specific knowledge of or expertise on the subject to be audited

NOTE 1   Specific knowledge or expertise includes knowledge of or expertise on the organization, process or activity to be audited, as well as language or cultural guidance.

NOTE 2   A technical expert does not act as an auditor in the audit team.

[ISO 9000:2000]

3.210

technical specification

specification expressing technical requirements for designing and developing the solution to be implemented

NOTE      The technical specification evolves from the functional specification and defines the technical requirements for the selected solution as part of a business agreement.

3.211

test

formal process of exercising or putting to trial a system or item by manual or automatic means to identify differences between specified, expected and actual results

3.212

third party

person or body that is recognized as being independent of the parties involved, as concerns the issue in question

NOTE      Parties involved are usually supplier (“first party”) and purchaser (“second party”) interests.

[EN 45020:1998]

3.213

top management

person or group of people who directs and controls an organization at the highest level

[ISO 9000:2000]

3.214

toxic

characteristic of a substance causing serious, acute or chronic effects, even death, when inhaled, swallowed or absorbed through the skin

3.215

traceability

ability to trace the history, application or location of that which is under consideration

NOTE 1   When considering product, traceability can relate to

the origin of materials and parts,

the processing history, and

the distribution and location of the product after delivery.

NOTE 2   In the field of metrology the definition in VIM:1993, 6.10, is the accepted definition.

[ISO 9000:2000]

3.216

uncertainty

lack of certitude resulting from inaccuracies of input parameters, analysis process, or both

3.217

undesirable event

event whose consequences are detrimental for the success of the mission

NOTE      Adapted from ISO/IEC 12207:1995.

3.218

validation

confirmation, through the provision of objective evidence that the requirements for a specific intended use or application have been fulfilled

NOTE 1   The term “validated” is used to designate the corresponding status.

NOTE 2   The use conditions for validation can be real or simulated.

[ISO 9000:2000]

3.219

verification

confirmation through the provision of objective evidence that specified requirements have been fulfilled

NOTE 1   The term “verified” is used to designate the corresponding status.

NOTE 2   Confirmation can comprise activities such as

performing alternative calculations

comparing a new design specification with a similar proven design specification

undertaking tests and demonstrations, and

reviewing documents prior to issue.

[ISO 9000:2000]

3.220

waiver

see “concession

3.221

warning condition

condition where potentially catastrophic or critical hazardous events are imminent and preplanned safing action is required within a limited time

[EN 13701:2001]

3.222

work breakdown structure

hierarchical representation of the activities necessary to complete a project

NOTE      Adapted from EN 13701:2001.

3.223

work environment

set of conditions under which work is performed

NOTE      Conditions include physical, social, psychological and environmental factors (such as temperature, recognition schemes, ergonomics and atmospheric composition).

[ISO 9000:2000]

3.224

work package

group of related tasks that are defined at the lowest level within a work breakdown structure

[EN 13701:2001]