The Cargo Doors FWD and AFT... 52-004
a. cannot be opened manually.
b. are hydraulically operated
c. can be opened/closed from inside and outside.
ATA 53. Fuselage (LVL 3)
The keel beam is... 53-016
a. a stainless steel beam.
b. an aluminum alloy box structure.
c. a composite structure
ATA 54. Nacelles/Pylons (LVL 3)
The pylon box is ... 54-014
a.a forward fairing (secondary structure).
b. a primary structure.
c. a aft fairing (secondary structure).
ATA 55. Stabilizers (LVL 3)
Is there any difference between the vertical stabilizer on the A-318 and on other A-320 family aircraft? 55-011
a. Yes, the vertical stabilizer on the A-318 is higher than other ones on A-320 family aircraft.
b. Yes, the vertical stabilizer on the A-318 is shorter than other ones on A-320 family aircraft.
c. No, there are no differences.
ATA 56. Window s (LVL 3)
For what reason the little whole is drilled in the inner pane of the door windows?
56-003
a) For window heating.
b) For window antifogging system.
c) For equalizing the pressure between the panes.
ATA 57. Wing s (LVL 3)
The access for maintenance to the center wing box is ... 57-010
a. done through two triangular openings in the rear spar.
b. access panels between Rib 1 and Rib 3 clamped on the wing skin.
c. possible only through the outer wing box.
ATA 27A. Flight control surfaces (LVL 3)
How many spoilers used on the airplane as the speed brakes? 27A-027
a. 6
b. 8
c. 10
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