What does the aft utility relay box do? Where is it?
Provides 28Vdc to selector valve assembly
Sends AADS outputs to HIADC
Where does FMC get static pressure from?
Number 1 static port. Number 2 static port supplies standby instruments.
What do the EGI batteries do?
Backup power for GPS receiver low power time source
Retains crypto variables and allows cold load
Provides cold zeroize and holds non-volatile RAM
Removing battery will cause the EGI to lose what?
Almanac data
BIT history storage
Crypto variables
Lower power time source