Overview CBT's Flashcards
What is the max range of the 747-400?
7,200 NM
How many O2 bottles in the flight deck?
2
What gear are steerable?
Nose gear and body gear. The wing gear are not steerable.
Can you start an APU in flight?
no
What is the maximum APU altitude? (if used for takeoff)
20,000’
In flight, what does the APU provide?
Only bleed air
In flight, the APU can operate _____ pack(s) up to ______feet.
1 pack up to 15,000’
What type of engines? (747-400)
General Electric CF6-80C2-B1F (derated)
General Electric CF6-80C2-B5F
What is an EEC?
Electronic Engine Controller (Basically FADEC)
What area(s) have fire detection and warning, but no fire extinguishing system?
The main gear wheel wells
The crew rest area
All of the flight controls are hydraulic. Are there manual reversions available?
No, it would be too heavy to move
How many spoilers? What spoilers are used for roll control? Speed brakes? Ground spoilers?
Total: 6 per wing (12 total)
Roll: All except for furthest inboard
Speed brakes: All except for the 2 furthest outboard
Ground: All of them
Wingspan
213’
64.9 Meters
Length of the plane
231’ 10”
70.7 M
Tail height
62’ 6.5”
18.9 M
How far can the jet blast from idle power be hazardous?
Up to 60’ back
What is the furthest point that extends out on a turn? What is the turn radius?
The wing tip
Turn radius: Wing Tip Radius 149’
What is the nose turn radius?
108’
What is the nose turn radius?
108’
What is the tail turn radius?
141’
What is the minimum pavement width required for a 180 degree turn?
153’
How long can the emergency light batteries power the emergency lights?
15 minutes
When do the supernumerary oxygen masks automatically deploy?
When the cabin altitude reaches 14,000’
The supernumerary oxygen system provides ____ minutes of oxygen at a cabin altitude of _____.
195 ; 25,000
How long do Portable Oxygen Bottles (POBs) last?
2 hours
