full functional test (FFT)


comprehensive test that demonstrates the integrity of all functions of the item under test, in all operational modes, including back-up modes and all foreseen transitions


  • NOTE 1 The main objectives of this test is to demonstrate absence of design manufacturing and integration error.
  • NOTE 2 FFT exists at the different level of decomposition of a space segment element. For satellite they also called system functional test (SFT) or integrated system test (IST).
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