FADEC And Engine Starting Flashcards
How many FADEC systems are there on a DA42
2, 1 for each engine
How many ECUs does each FADEC system control
2, named A and B
When the ECU switch is set to AUTO, which ECU is in operation
A, B becomes active if A fails
How is each FADEC powered
Via a dedicated ECU BUS bar, supplied directly from the associated engine driven alternator
What is the FADECs alternate power supply
The associated main BUS bar
If both alternators fail, how are the ECUs powered, and for how long
Battery power, for approx 30 minutes
Where is the power for the starter motors obtained from
Aircraft battery, or from an external power supply via the associated main BUS bar
When ENG MAST is set to ON what circuit does it power
The engine starting circuit
What does the engine starting circuit do
Powers associated glow plug
Displays glow advisory
Opens unfeathering accumulator shutoff valve
Energises engine and propeller control circuits
How do you operate the starter motor
Turn the key
When does L/R ENG FIRE appear
When temperature in engine bay exceeds 250 deg C