Systems- Engines and T/Rs, FMS Flashcards
What is IGN B powered by?
Battery Bus
Which valves open when the LEFT ENGINE START SWITCH is pressed in?
- LEFT and RIGHT ENGINE SOV’s
- 10th stage ISOLATION VALVE
- LEFT START VALVE
At power settings below 79% N1 is the engine in N1 or N2 speed control?
N2 control
How much does the APR system command following an engine failure?
2%
What does the “REVERSER UNLOCK” EICAS message indicate?
The REVERSER has moved more than 1” out of the stowed position.
How is an abnormal N2 vibration indicated?
There’s an AMBER VIB icon on the N2 gauge.
What is used to deploy and stow the T/Rs?
14th stage bleed air
What is the maximum difference in N2 between the two engines at idle?
2%
Is it possible to program an ARC around a fix or navaid in the FMS?
NO
needs clarification as we did this in class
What three things do you need to fly a GPS approach using VGP?
- “RWY” on the LEGS page in the CDU
- LNAV/VNAV approach
- DA(H) MINIMUMS
What order of priority does the FMS use the available nav sensors?
- GPS
- DME-DME/VOR-DME
- IRS
On a LOC-ONLY approach why do we first select “APPR” then “NAV”?
- APPR enables nav-to-nav transfer
- NAV prevents GS capture
What will the FMS prompt during a “HOLD TO” course reversal?
CANCEL EXIT
Where must the altitude pre-selector be to enable a VNAV descent?
Below the current aircraft altitude
Where must the altitude pre-selector be on a visual approach?
Field elevation
What is the default power-up mode for a dual or triple FMS airplane?
SYNC or INDEPENDENT respectively
How many stages of compression are there in the engines?
14 stages
What stages of compression are used for bleed air?
7th, 10th, and 14th stages
What does APR stand for?
Automatic Performance Reserve
When does APR arm and for how long?
When N1 is greater than 79% and stays armed for 5 minutes.
Max oil consumption per hour
6.4 oz
What do the 7th, 10th, and 14th stage bleed airs do?
7th- eng oil seals and dump venting
10th-start, air conditioning and pressurization
14th- thrust reverser and anti-ice
When is the T/R available for deployment?
When a signal is received from WOW sensors or wheel speed > 16kts
Min speed for operation of T/Rd during normal conditions?
60kts
