POWERPLANT Flashcards
1
Q
- What does an illuminated ENGINE CONTROL light mean?
A
Engine control system is not dispatchable due to a fault
2
Q
- Should you takeoff with an ENGINE CONTROL light illuminated?
A
No
3
Q
- Will you see an ENGINE CONTROL light in
flight?
A
No, ground only light
4
Q
- Each EEC has how many independent
channels (computers)?
A
Two
5
Q
- If an EEC channel fails, how do you select an
operating channel?
A
You don’t, EEC channel switching is automatic
6
Q
- What will the EEC do for you if you shove the throttle to the forward stop (firewall)?
A
The EEC will provide N1 and N2 redline overspeed protection (not EGT)
7
Q
- What engine protection will the EEC give you?
A
N1 & N2 redline overspeed protection
8
Q
- The EEC has how many control modes?
A
Two
9
Q
- What are these modes? (EEC Control Modes)
A
Normal
Alternate
10
Q
- The EEC has how many alternate modes?
A
Two
11
Q
- What are the EEC alternate modes?
A
Soft
Hard
12
Q
- How does the EEC operate in the soft ALTN
mode?
A
EEC uses the last valid flight conditions to define engine parameters: Limits may change if conditions do
13
Q
- What do the switches and lights look like in the soft ALTN mode?
A
ON light and amber ALTN light
14
Q
- How does the EEC operate in the hard ALTN
mode?
A
ALTN thrust schedule, factory pre- programmed hard data
15
Q
- What do the switches and lights look like in the hard ALTN mode?
A
ALTN light only (pushbutton)
ON light and ALTN light (pull throttle to idle)