Engineering (superseded)

The following standards can be downloaded in PDF or MS Word format.

The European Space Agency hereby disclaims any liability for use of these electronic documents and assumes no responsibility for any error or omission therein. See the License agreement – Disclaimer for more information.


  1. ECSS-E-00A Policy and principles (19 April 1996)
  2. ECSS-E-10 Part 1B: System engineering – Part 1: Requirements and process (18 November 2004)
  3. ECSS-E-10 Part 6A – System engineering – Part 6: Functional and technical specifications (9 January 2004)
  4. ECSS-E-10 Part 6A Rev.1: Space engineering – System engineering – Part 6: Functional and technical specifications (31 October 2005)
  5. ECSS-E-10 Part 7A: Space engineering – System engineering – Part 7: Product data exchange
  6. ECSS-E-10-02A Verification (17 November 1998)
  7. ECSS-E-10-03A – Testing (15 February 2002)
  8. ECSS-E-10-04A – Space environment (21 January 2000)
  9. ECSS-E-10-05A – Functional analysis (13 April 1999)
  10. ECSS-E-10A System engineering (19 April 1996)
  11. ECSS-E-20-01A – Multipaction design and test (5 May 2003)
  12. ECSS-E-20-01A Rev.1 – Multipaction design and test (1 March 2013)
  13. ECSS-E-20A – Electrical and electronic (4 October 1999)
  14. ECSS-E-30 Part 1A – Mechanical – Part 1: Thermal control (25 April 2000)
  15. ECSS-E-30 Part 2A – Mechanical – Part 2: Structural (25 April 2000).
  16. ECSS-E-30 Part 3A – Mechanical — Part 3: Mechanisms (25 April 2000)
  17. ECSS-E-30 Part 3A Mechanical – Part 3 Mechanisms (25 April 2000)
  18. ECSS-E-30 Part 4A – Mechanical – Part 4: Environmental control and life support (5 August 2005)
  19. ECSS-E-30 Part 5.1A: Mechanical – Part 5.1: Liquid and electric propulsion for spacecraft (2 April 2002)
  20. ECSS-E-30 Part 6A – Mechanical — Part 6: Pyrotechnics (25 April 2000)
  21. ECSS-E-30 Part 7A – Mechanical – Part 7: Mechanical parts (25 April 2000)
  22. ECSS-E-30 Part 8A – Mechanical – Part 8: Materials (25 April 2000)
  23. ECSS-E-30-01A Fracture control (13 April 1999)
  24. ECSS-E-30-11A – Modal survey assessment ECSS (20 September 2005)
  25. ECSS-E-33-11A – Explosive systems and devices (17 April 2008)
  26. ECSS-E-40 Part 1B: Space engineering – Software – Part 1: Principles and requirements (28 November 2003)
  27. ECSS-E-40 Part 2B: Software – Part 2: Document requirements definitions (DRDs) (31 March 2005)
  28. ECSS-E-40A – Software (13 April 1999)
  29. ECSS-E-50 Part 1A: Communications – Part 1: Principles and operations (20 October 2003)
  30. ECSS-E-50 Part 2A – Communications – Part 2: Document requirements definitions (DRDs) (4 July 2005)
  31. ECSS-E-50-01A – Space data links – Telemetry synchronization and channel coding (6 November 2007)
  32. ECSS-E-50-02A – Ranging and Doppler tracking (24 November 2005)
  33. ECSS-E-50-03A – Space data links – Telemetry transfer frame protocol (6 November 2007)
  34. ECSS-E-50-04A – Space data links – Telecommand protocols, synchronization and channel coding (14 November 2007)
  35. ECSS-E-50-05A – Radio frequency and modulation (24 January 2003)
  36. ECSS-E-50-12A – SpaceWire – Links, nodes, routers and networks (24 January 2003)
  37. ECSS-E-50-14A: Space engineering – Spacecraft discrete interfaces (19 December 2007)
  38. ECSS-E-60A: Space engineering – Control engineering (14 September 2004)
  39. ECSS-E-70 Part 1A Ground systems and operations – Part 1: Principles and requirements (25 April 2000)
  40. ECSS-E-70 Part 2A Ground systems and operations – Part 2: Document requirements definitions (DRDs) (24 April 2000)
  41. ECSS-E-70-11A – Space segment operability (5 August 2005)
  42. ECSS-E-70-31A – Ground systems and operations – Monitoring and control data definition (9 October 2007)
  43. ECSS-E-70-32A – Test and operations procedure language (24 April 2006)
  44. ECSS-E-70-41A – Ground systems and operations – Telemetry and telecommand packet utilization (30 January 2003)
  45. ECSS-E-AS-50-21C – Adoption Notice of CCSDS 131.0-B-3, TM Synchronization and Channel Coding (1 March 2021)
  46. ECSS-E-AS-50-22C – Adoption Notice of CCSDS 132.0-B-2, TM Space Data Link Protocol (1 March 2021)
  47. ECSS-E-AS-50-23C – Adoption Notice of CCSDS 732.0-B-3, AOS Space Data Link Protocol (1 March 2021)
  48. ECSS-E-AS-50-24C – Adoption Notice of CCSDS 231.0-B-3, TC Synchronization and Channel Coding (1 March 2021)
  49. ECSS-E-AS-50-25C – Adoption Notice of CCSDS 232.0-B-3, TC Space Data Link Protocol (1 March 2021)
  50. ECSS-E-ST-10-02C – Verification (6 March 2009)
  51. ECSS-E-ST-10C – System engineering general requirements (6 March 2009)
  52. ECSS-E-ST-20-06C – Spacecraft charging (31 July 2008)
  53. ECSS-E-ST-20-07C – Electromagnetic compatibility (31 July 2008)
  54. ECSS-E-ST-20-07C Rev.1 – Electromagnetic compatibility (7 February 2012)
  55. ECSS-E-ST-20-08C – Photovoltaic assemblies and components (31 July 2008)
  56. ECSS-E-ST-20-08C Rev.1 – Photovoltaic assemblies and components (18 July 2012)
  57. ECSS-E-ST-20C – Electrical and electronic (31 July 2008)
  58. ECSS-E-ST-20C Rev.1 – Electrical and electronic (15 October 2019)
  59. ECSS-E-ST-31-02C – Two-phase heat transport equipment (12 December 2012)
  60. ECSS-E-ST-32-01C – Fracture control (15 November 2008)
  61. ECSS-E-ST-32-01C Rev.1 – Fracture control (6 March 2009)
  62. ECSS-E-ST-32-02C – Structural design and verification of pressurized hardware (31 July 2008)
  63. ECSS-E-ST-32-08C – Materials
  64. ECSS-E-ST-32-10C – Reliability based mechanical factors of safety (31 July 2008)
  65. ECSS-E-ST-32-10C Rev.1 – Structural factors of safety for spaceflight hardware (6 March 2009)
  66. ECSS-E-ST-32-10C Rev.2 – Structural factors of safety for spaceflight hardware (15 May 2019)
  67. ECSS-E-ST-32C – Structural general requirements (31 July 2008)
  68. ECSS-E-ST-33-01C – Mechanisms (6 March 2009)
  69. ECSS-E-ST-33-01C Rev.1 – Mechanisms (15 February 2017)
  70. ECSS-E-ST-33-11C – Explosive systems and devices (31 July 2008)
  71. ECSS-E-ST-35-06C – Cleanliness requirements for spacecraft propulsion components, subsystems and systems
  72. ECSS-E-ST-35-06C Rev.1 – Cleanliness requirements for spacecraft propulsion hardware (15 November 2008)
  73. ECSS-E-ST-35C – Propulsion general requirements (15 November 2008)
  74. ECSS-E-ST-50-01C – Space data links – Telemetry synchronization and channel coding (31 July 2008)
  75. ECSS-E-ST-50-03C – Space data links – Telemetry transfer frame protocol (31 July 2008)
  76. ECSS-E-ST-50-04C – Space data links – Telecommand protocols, synchronization and channel coding (31 July 2008)
  77. ECSS-E-ST-50-05C – Radio frequency and modulation (31 July 2008)
  78. ECSS-E-ST-50-05C Rev.1 – Radio frequency and modulation (6 March 2009)
  79. ECSS-E-ST-50-12C – SpaceWire – Links, nodes, routers and networks (31 July 2008)
  80. ECSS-E-ST-50C – Communications (31 July 2008)
  81. ECSS-E-ST-60-20C – Star sensor terminology and performance specification
  82. ECSS-E-ST-60-20C Rev.1 – Star sensor terminology and performance specification (15 November 2008)