POWERPLANT Flashcards
What kind of engines do we have?
Pratt and Whitney engines of type 307A
How much thrust does each engine produce?
6405 Lbs
Are the engine FADEC controlled?
Yes
Which engines are synced by the fadec?
Engines 1 and 3
How many igniters on each engine?
2.
A & B igniters
How many channels does each FADEC have?
2
A & B channels
How many igniters does the FADEC use for start on the ground?
- Either A or B igniter
How many FADECS do we have?
3.
One FADEC per engine
Does the FADEC test both of its channels during engine start?
Yes
Channel A of the FADEC is connected to igniter A. True or False?
True
FADEC channel A and Igniter A is power off essential buss. True or False?
True
FADEC channel B and Igniter B is power off Main buss. True or False?
True
Does the engine have auto relight feature during stall warning?
Yes. Turns on both igniters
How many detents on the throttle quadrant?
3
Cool down time before shutting down engine?
2 minutes
Continuous maximum reverse thrust is limited to how many seconds?
30 seconds
At what N2 does the starter cutout?
50% N2
Can you start more than 1 engine at once?
No
Do not attempt relight for which items?
Fire
Auto shutdown
High vibrations
What all is closed when a fire is detected in the engine and the crew presses the FIRE button?
For each engine: when the crew pushes the corresponding “FIRE” button of the Fire Control Panel: - Hydraulic shutoff valve - Fuel Shutoff valve - generator is disconnected
In addition, for engine 2:
- The Air Turbine Starter Valve (ATSV)
- The Thrust Reverser is inhibited.
Which lights illuminate during a fire on a engine?
Associated light on overhead panel and repeater light on the thrust lever. Master warning light, aural warning and cas message.
