M11.3 Flashcards
How far apart are frames in the fuselage?
20 inches
Where is the keel beam located?
In the centre wing section
Where are pressure seals used?
Where cables or rods pass through pressure bulkheads
What are seals around a door used for?
Preventing loss of pressure and rain getting in
What are the seat tracks in the cabin also know as?
L-tracks
What is used to hold luggage, freight, etc in the cargo bay?
A unit load device (ULD)
What is a anti-roll out device (ARO)?
A device on the cargo door that automatically lowers when cargo comes in and stays up when cargo wants to come out
When is a flight deck door required?
When the aircraft carriers more than 60 people or weighs more than 45,500kg
What are flight deck doors made from?
Glass reinforced polymers, Kevlar, dyneema
Why is there a hatch in the lower half of the flight deck door?
For evacuation in emergency
What is different from the bulk cargo door compared to the side cargo doors?
The bulk cargo door is opened inwards and manually
On airbus what connects to cargo door to the fuselage?
A piano hinge
How many lock sectors does the master latch lock torque tube operate?
8
What are the two forward flight deck windows known as?
Flight deck windscreen windows
Where is the heating film located on the flight deck windows?
On the inner surface of the outer glass
What are the L2,L3,R2,R3 flight deck windows made out of?
Two layers of stretched acrylic glass
What part of the aircraft is not biometrically sealed?
The windscreen windows in the flight deck
What is placed in between the windows and frames to bond them together?
A silicon seal
Why is there a small vent hole in the inner glass pane on cabin windows?
To keep equal pressure
What is the upper skin of a wing made from?
Aluminium-zinc alloy
What is the lower skin of a wing made from?
Premium-copper alloy
What is the landing gear support arm sometimes called?
False rear spar
What is the nose cap of the leading edge made from?
Aluminium alloy
What are the two types of construction for a horizontal stabiliser?
- 1 piece
- 3 piece
What is a dorsal fin used for?
To smoothly connect the vertical stabiliser to the fuselage
What is a dorsal fin made from?
Machined aluminium skin
What are surface hinges used for?
To connect the flying controls to the structure
What are the names for the two types of surface hinges?
One is a primary or master hinge and the other is a normal hinge
What is a fail safe bolt in a hinge?
It consists of a outer and a inner bolt just in case one fails
How is surface flutter overcome?
By using hydraulics or static balancing
What is needed to get the zero position for a elevator or rudder?
An index plate
What is the job of the pylon?
To connect the nacelle to the wing
