Airframes Flashcards
What does the F-18 structure contain?
Graphite and carbon epoxy
When does composite material become a hazard
When broken or exposed fiber gets embedded into the skin and is difficult to remove
What is the proper PPE for composite materials?
Respirator, goggles and close weave cotton gloves
A high voltage of ________ volts static charge may build up the windshield/canopy
100,000 volts
How many tie down chains on the aircraft?
12 (13,14) on the jacking beam
What is the purpose of composite material?
Limit weight
Increase strength
Decrease in corrosion
There are three types of repair on an naval aircraft what are they?
Temporary repair
One time flight repair
Permanent repair
What is the radome? What does it do?
Radome covers the radar and provides an electrically transparent window for transmission and reception of radar signals
LEX
Leading edge extension
Provides lift
Leading edge flaps
Provides lift in flight
Trailing edge flap
Provides lift in flight
Stab Stabilizers
Symmetrically give pitch
Asymmetrically give roll
Rudders
Toe in to increase lift and improve stability
Speed brake
Creates drag
LEX spoiler
Provides the speed brake
NLG
Nose landing gear
Strunt provides landing, takeoff, and taxi energy absorption
Launch bar
Launch bar provides steering and engages the catapult
MLG
Main landing gear
Shock absorber
Arresting hook
Hydraulically controlled, used for landing
There are two hydraulic systems in the aircraft what do they contain?
Each system contains an accumulator, hydraulic reservoir, lines and multiple valves
Hydraulic System 1
Provides hydronic fluid pressure to the primary flight controls either as primary or backup source
Hydraulic system 2
Provides hydraulic fluid pressure system also supplies pressure to all other non flight control systems
Switching Valves
Allows backup hydraulic pressure to replace the primary hydraulic pressure when primary fails
