Aircraft Guns Flashcards Preview

march 2016 exam > Aircraft Guns > Flashcards

Flashcards in Aircraft Guns Deck (47):
1

At what prescribed rate can an M61A1/A2 gun fire M59 series ammunition

4,000 to 7,200 rpm

2

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

Barrels , rotor assembly , and housing assembly

3

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

Interrupted locking lugs

4

On an M61A1/A2 gun , what component picks up a round as it enters the gun

Breech-bolt assembly

5

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

Seven

6

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

Firing and clearing

7

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

The extractor lip

8

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

Feed , chamber , lock and fire , unlock , extract , and eject

9

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

Entrance cover , scoop disk , and exit cover

10

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

One

11

A gun has purge system is used for what purpose

Cool the gun barrels and purge gas from the gun compartment

12

The air required to operate the gun gas purge system in an F/A-18 aircraft is provided by what air source

Engine bleed air and the ram air scavenge door

13

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

14

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

Clearing section clamp

15

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

All answers are correct
A. When major repair is required
B. When an alteration is authorized
C. When 120,000 rounds have been expended

16

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

All answers are correct
A. Lubrication
B. Normal disassembly and parts replacement
C. A functional check of the components based on the round interval

17

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

30,000 rounds

18

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

950 to 1100 rounds per minute

19

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

6,500 meters

20

How is the GAU-16 cooled after firing

By air

21

What is the performance firing rate of the GAU-16

750 to 850 rounds per minute

22

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

Clutch

23

What is the sustained firing rate of the M240D

100 rounds per minute

24

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

M240D

25

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

(1)hydraulically (2) electrically

26

the M61A1 and M61A2 is a six barrel , rotary action , automatic gun based on the machine gun design of whom

Richard J. Gatling

27

the M61A1/2 automatic gun is hydraulically driven , electrically controlled , and can fire M50 and PGU series ammunition at how many rounds per minute

4,000 to 6,000

28

the operation of the M61A1/2 gun is divided into what two distinct cycles

firing and clearing

29

the ammunition handling systems holds a maximum of how many rounds of ammunition in a he F/A-18 M61A1/2 gun system

578

30

the maintenance and testing responsibilities of M61a[/2 gun installations are distributed evenly beet wren the organizational and what other levels of maintenance

intermediate

31

what type of maintenance includes servicing (loading and unloading) , preflight , post flight , minor periodic maintenance, malfunction troubleshooting , and removal and installation of components on the aircraft

organizational

32

what maintenance responsibilities are tasks associated with repair or replacement of unserviceable or damages assemblies , components , or parts of the gun installation that do not require the special maintenance facilities of an overhaul depot

intermediate

33

when the M61A1/2 gun reaches a round interval of how many rounds fired or requires major repair or alteration , it is sent to a depot level maintenance activity ?

120,000

34

scheduled M61A1/2 gun maintenance begins at how many rounds

7,500

35

the GAU-21 is capable of firing at a rapid rate of how many rounds per minute

950 to 1100

36

the GAU-21 has a barrel life of how many rounds

10,000

37

the GAU-21 has a depot maintenance cycle of how many rounds

40,000

38

the GAU-21 has a burst limit of how many rounds

600

39

what is the muzzle velocity if the GAU-21

2,887 fps

40

the GAU-21 weapon system is capable of being mounted on what aircraft

MH-60

41

the GAU-16 had a depot maintenance cycle of how many rounds

50,000

42

what is the performance rate of fire for the GAU-16

750 to 850 rounds per minute

43

what is the muzzle velocity in fps of the GAU-17

2,850

44

what is the rate of fire of the GAU-17

3,000 rounds per minute

45

the M240D is an air cooled , has operated , automatic machine gun and fired the standard 7.62 mm North Atlantic Treaty Organization (NATO) cartridge from the open bolt position at firing rates of how many rounds per minute

650-950

46

what is the maximum range of the M240D

3,725

47

what is the maximum effective range of the M240D

1,200 meters