Arresting Gear Flashcards
The Mark-7 Mod 3 Aircraft Recovery Equipment is designed to absorb a maximum energy of_______ at a peak fluid pressure and maximum cable run-out.
47,500,000 foot pounds
Crossdeck pendants are tensioned across and suspended __________ inches above the flight deck by leaf-spring-type wire supports.
2 to 5 1/2
Recovery Equipment is divided into how many major systems?
3
What are the 3 major systems of Recovery Equipment?
1) Engine Drive System
2) Arresting Engine
3) Emergency Recovery Equipment
What is the Engine Drive System?
The wire rope component that transfers the force of incoming aircraft to the arresting engine and consists of the crossdeck pendant, purchase cable, damper sheaves, anchor dampers, and various sheave installations.
What is a CDP?
Crossdeck pendant - wire rope that span the flight deck and engage the arresting hook of an incoming aircraft.
What are purchase cables?
Wire rope connection between the CDP’s and arresting engine. There 2 purchase cables on each engine.
Force of incoming aircraft’s forward motion is transferred from the ______ to the arresting gear engine through ________.
From the crossdeck pendant;
Through purchase cables
What is the purpose of the sheave damper assembly?
Reduces peak cable tension between the landing aircraft and the arresting gear engine
What does the sheave damper assembly consist of?
Movable cross head, damper cylinder assembly, damper piston, accumulator, piping, buffer assembly, charging panel
How many slippers does the sheave damper assembly have?
4
How many psi is the sheave damper accumulator charged to?
750 psi
What is the proper sight indicator level for the sheave damper assembly when in the battery position?
2 inches + or - 1 inch
