Aircraft Guns Flashcards
At what prescribed rate can an M61A1/A2 gun fire M50 series ammunition
4,000 to 6,000 rpm
How is an M61A1/A2 automatic gun (1) drown and (2) controlled
Hydraulically (2)electrically
What components are the primary parts of an M61A1/A2 automatic gun
Barrels , rotor assembly , and housing assembly
What means are used to secure the gun barrels to the stub rotor of an M61A1/A2 automatic gun
Interrupted locking lugs
On an M61A1/A2 gun , what components pick up a round as it enters the gun
Breech bolt assembly
On an M61A1/A2 gun , a full firing cycle requires what prescribed number of actions
Seven
What are the two distinct cycles of an M61A1/A2 automatic gun operation
Firing and clearing
What component of an M61A1/A2 automatic gun ejects the empty case from the gun
The extractor lip
On an M61A1/A2 automatic gun , what sequence of actions is performed by the breech bolt assembly during one full firing cycle
F.eed C.hamber L.ock and fire U.nlock E.tract E.ject
A drum unit assembly consists of the drum unit and what other major parts
Entrance cover , scoop disk , and exit cover
The mechanical drive unit in an F/A-18 aircraft has what total number of output shafts
One
A gun gas purge system is used for what purpose
Cool the gun barrels and purge gas from the gun compartment
The air required to operate the gun gas purge system in an F/A-17 aircraft is provided by what air source
Engine bleed air and the ram air scavenge door
In an F/A-18 aircraft , the M61A1/A2 automatic gun system can be operated in what computer mode
A/A , A/G or CCIP
In an F/A-18 aircraft , what component is used to manually clear the M61A1/A2 automatic gun
Clearing section clamp
An M61A1/A2 automatic gun must be sent to a depot level maintenance activity under which of the following conditions
When major repair is required
When an alteration is authorized
When 120,000 rounds have been expended
Which of the following gun maintenance procedures should be accomplished during scheduled maintenance
Lubrication
Normal disassembly and parts replacement
A functional check of the components based on the round interval
Scheduled maintenance for an M61A1/A2 automatic gun handling and drive system should be performed after what maximum number if rounds has been fired
30,000
What is the rapid rate of fire for the GAU-21
950 to 1100 rounds per minute
What is the maximum air to ground range of the GAU-21
6,500 meters
How is the GAU-16 cooled after firing
By air
What is the performance firing rate of the GAU-16
750 to 850 rounds per minute
The GAU-17 major gun assemblies include the barrels and barrel clamp , housing , rotor , what assembly
Clutch
What is the sustained firing rate of the M240D
100 rounds per minute
What weapon can be easily removed from the helicopter and used for ground defense if needed
M240D
