ATA 52….57 - Airframe Structures Flashcards
What happens on the AC type (B747) when the door is opened from the outside?
The door is switched to manual/park/ground mode
What is the situation when you open the passenger door from the outside?
Emergency System disarms when the handles is pulled out
Which are the correct steps to open the entry door?
Mode Selector Lever in Park mode, Door handle to the open position, use the assist handle to fully open position
What is the function of the snubber?
It slows the downward movement of the door
What is the difference between the bulk cargo door and the forward, aft, and side cargo doors?
Bulk Cargo Door operates manually and opens inwards while all other cargo doors operates electrically and open outwards
Let us look at the side cargo door. Which one of the statements is correct?
You open the side cargo door from outside only when the internal handle retainer is open
Which four mechanisms are operated by the locking handle before you can fully open a door such as cargo door?
Vent door mechanism, drift pin mechanism, safety mechanism, and locking mechanism
What is the function of hook mechanism during the opening sequence?
To rotate the hooks and move the door from fully closed prior to opening by the lift system
Which components completes the circuit, energizes the electric pump and supplies the hydraulic system with fluid?
The Selector on the Yellow Ground
Service Panel
Which of the statement about the wing
boxes are correct?
The Right- and Left-Wing Box are supported by the Center Wing box
What are the three main areas by the wing structures?
Left, Center, and Right-Wing Boxes
What gives the shape of the fuselage in a Monocoque construction?
Frame Assemblies and Bulkheads
In a monocoque construction, the aircraft skin is riveted in?
The aircraft skin is riveted directly onto the frame
What is the function of frames?
Helps maintain the shape of the fuselage and reduce column length of the stringers, and helps to carry and distribute different loads which are caused by structural stress.
They are installed to withstand cabin pressure?
Pressure Bulkheads
What is the main purpose of the clips?
Transfer the pressure load from the skin panel to the frame and assist the frame in carrying compression stress
On Airbus 320, how many over wing emergency hatches on each side of the aircraft is installed?
1 or 2 each side
Door structure consists of?
Frame – which is strengthened by beams, formers and intercostals