Aircraft Guns

Question 0

At what prescribed rate can an M61A1/A2 gun fire M50 series ammunition

Answer 0

4,000 to 6,000 rpm

Question 1

How is an M61A1/A2 automatic gun (1) drown and (2) controlled

Answer 1

Hydraulically (2)electrically

Question 2

What components are the primary parts of an M61A1/A2 automatic gun

Answer 2

Barrels , rotor assembly , and housing assembly

Question 3

What means are used to secure the gun barrels to the stub rotor of an M61A1/A2 automatic gun

Answer 3

Interrupted locking lugs

Question 4

On an M61A1/A2 gun , what components pick up a round as it enters the gun

Answer 4

Breech bolt assembly

Question 5

On an M61A1/A2 gun , a full firing cycle requires what prescribed number of actions

Answer 5

Seven

Question 6

What are the two distinct cycles of an M61A1/A2 automatic gun operation

Answer 6

Firing and clearing

Question 7

What component of an M61A1/A2 automatic gun ejects the empty case from the gun

Answer 7

The extractor lip

Question 8

On an M61A1/A2 automatic gun , what sequence of actions is performed by the breech bolt assembly during one full firing cycle

Answer 8

F.eed
C.hamber
L.ock and fire
U.nlock
E.tract
E.ject

Question 9

A drum unit assembly consists of the drum unit and what other major parts

Answer 9

Entrance cover , scoop disk , and exit cover

Question 10

The mechanical drive unit in an F/A-18 aircraft has what total number of output shafts

Answer 10

One

Question 11

A gun gas purge system is used for what purpose

Answer 11

Cool the gun barrels and purge gas from the gun compartment

Question 12

The air required to operate the gun gas purge system in an F/A-17 aircraft is provided by what air source

Answer 12

Engine bleed air and the ram air scavenge door

Question 13

In an F/A-18 aircraft , the M61A1/A2 automatic gun system can be operated in what computer mode

Answer 13

A/A , A/G or CCIP

Question 14

In an F/A-18 aircraft , what component is used to manually clear the M61A1/A2 automatic gun

Answer 14

Clearing section clamp

Question 15

An M61A1/A2 automatic gun must be sent to a depot level maintenance activity under which of the following conditions

Answer 15

When major repair is required
When an alteration is authorized
When 120,000 rounds have been expended

Question 16

Which of the following gun maintenance procedures should be accomplished during scheduled maintenance

Answer 16

Lubrication
Normal disassembly and parts replacement
A functional check of the components based on the round interval

Question 17

Scheduled maintenance for an M61A1/A2 automatic gun handling and drive system should be performed after what maximum number if rounds has been fired

Answer 17

30,000

Question 18

What is the rapid rate of fire for the GAU-21

Answer 18

950 to 1100 rounds per minute

Question 19

What is the maximum air to ground range of the GAU-21

Answer 19

6,500 meters

Question 20

How is the GAU-16 cooled after firing

Answer 20

By air

Question 21

What is the performance firing rate of the GAU-16

Answer 21

750 to 850 rounds per minute

Question 22

The GAU-17 major gun assemblies include the barrels and barrel clamp , housing , rotor , what assembly

Answer 22

Clutch

Question 23

What is the sustained firing rate of the M240D

Answer 23

100 rounds per minute

Question 24

What weapon can be easily removed from the helicopter and used for ground defense if needed

Answer 24

M240D