Flight Instruments Flashcards
How many fcc?
3
How many adc?
2
How many autopilots?
3
How many symbol generators?
3
How many irs?
3
How many ils recievers?
3
How many fmc?
2
What indicates an sg failure on the screens?
They go black
When you choose an alternate sg, which one are you choosing?
Always the center one
Which irs powers the captains rmi and first officers vsi?
Right irs
What all does the irs provide data to?
H heading A attitude T track S speed W wind A acceleration P present position
What all does the align light flash for?
Movement during alignment
Significant diff between ppos and last known position
Fault in the system
No position entered within 10 mins
How long does a polar alignment take?
17 mins
How long does a normal irs alignment take?
10 mins
How long can a quick alignment on irs take?
30 secs
On non etops airplanes, which irs stays on when you are on stby power?
Right
Which irs stays on when you are down to stby power on etops airplanes?
Left and center
How often do you have to accomplish a full alignment?
Every 18 hours or a crew change
What is the max amount of drift that can happen in irs?
6 tenth of a mile every hour
What is the difference between nav and align for irs?
In align, it is aligning but it wont navigate till you are in nav mode. Also in nav mode, the irs starts accumulating errors due to drift.
