B747-400 - FLAPS QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
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Course
B747
Institution
B747
B747-400 - FLAPS QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
What are the flap takeoff settings?
10 or 20
What are the landing flap settings?
25 or 30
Where is the go-around flap detent installed?
20
What are the 3 group of Leading Edge (LE) Flaps?
Outboard
Midspan
Inboard
H...
B747-400 - FLAPS QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTIONS VERIFIED
What are the flap takeoff settings?
10 or 20
What are the landing flap settings?
25 or 30
Where is the go-around flap detent installed?
20
What are the 3 group of Leading Edge (LE) Flaps?
Outboard
Midspan
Inboard
How many drive units are installed with each group of LE flaps?
1 drive unit per group
How are the drive units powered ?
Pneumatically
Electric motor but at a slower rate
How many groups of Trailing Edge (TE) Flaps are there?
2
Outboard
Inboard
, How many drive units are installed with each group of TE flaps?
1 drive unit per group
How are the the TE Flaps powered?
Outboard - Hydraulic System 4
Inboard - Hydraulic System 1
What are the flap operating modes?
Primary
Secondary
Alternate
What are the differences between Primary/Secondary & Alternate flap modes?
P/S use 3 identical Flap Control Units (FCUs)
Alternate mode does not use FCUs
Beyond the Flap 5 setting, will the LE Flaps continue to EXTEND?
NO
When do the INBOARD & MIDSPAN LE Flaps FULLY retract?
Upon selection of Flaps UP
Upon selection of Flaps 1, which flaps are deployed?
Midspan & Inboard LE Flaps
How does the pilot extend the flaps using the alternate method?
Arm ALTN
What happens when the ALTN FLAPS selector is moved to EXT?
ALL TE & LE Flap Groups extend immediately
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