Weapon Numbers

Question 1

Tracer Burnout 7.62

Answer 1

900m

Question 2

Tracer Burnout .50 cal

Answer 2

1100m

Question 3

GAU-21 Ballistics

Answer 3

950-1100rpm
Max: 6,500m
Max Effective: 1,850m
Tracer Burnout: 1,100m

Question 4

GAU-21 General

Answer 4

• 300 round burst combat only

- 600 round ammo can

Question 5

GAU-17 Ballistics

Answer 5

• Max: 3,500m
• Max Effective: 1,100m
• Fire Rate +/- 3,000 rounds/min

Question 6

GAU-17 General

Answer 6

-4,400 Rounds

Question 7

M240D Ballistics

Answer 7

• 650-950 RPM (gas plug dependant)
• Maximum: 3,725m
• Max Effective: 1,200m
• Tracer Burnout: 900m

Question 8

M240 General

Answer 8

Barrel Changes:

• Cyclic: 1 min
• Rapid: 2 min
• sustained: 10 min

Question 9

Cartridges

Answer 9

• Ball: Lead slug. soft, steel cores.
• Tracer: (Orange Tip)Allow gunner to see line of fire. Dim tracer is lavender
• AP: (Black tip)Light armored vehicles, armored targets, concrete shelters, similar bullet resisting targets.
• API: (Silver tip)AP and incendiary together. Ignites on impact. API is red/orange tip
• APEI: (Green tip) Armor piercing explosive incendiary Cartridge. Penetration and fragmentation capabilities
• Blank
• Dummy

Question 10

LAU-61 General

Answer 10

19 Shot
MK 66 motors Only
Ripple: 40ms between rockets
-has thermal protective coating on exterior but need thermal barriers for shipboard ops

Question 11

LAU-130

Answer 11

19 Shot
not approved for shipboard use
has smooth texture while 61 has a pebbly texture

Question 12

LAU-68D/A

Answer 12

• 7 shot

- MK 66 motors only

Question 13

LAU-131/A

Answer 13

• 7 shot

- No thermal coating

Question 14

LAU-68 F/A

Answer 14

• 7 shot
• Extended length launcher
• accomidates the APKWS II, can shoot unguided as well
• Authorized for shipboard use

Question 15

Launcher Preflight

Answer 15

• Ensure Ripple/Single is in single (right)
• Intervalometer set to “A” (arm)
• Mixed laser codes in launchers is not authorized

Question 16

What does the Stabilizing rod do

Answer 16

• Salt coated, prevents unstable burning of grain and reduces flash after burning that contribute to compressor stalls and flameout.
• Located in the center of the propellant grain

Question 17

Propellant Grain type

Answer 17

• Internal burning, Star perforation made from double base propellant
• Produces nearly constant thrust

Question 18

Inhibitor

Answer 18

-Prevents burning on the surface

Question 19

MK66 Rocket motor MOD 1

Answer 19

-No HERO filter

Question 20

MK66 Mod 2

Answer 20

• WAFFAR: Wrap around folding fin aircraft rocket
• Hero susceptible on the UH1Y
• CAN’T be used on LAU 68 F/A
• 1,415 lbs of thrust for 1.1 seconds
• HERO filter for stabilization
• Mk 125 mod 5 igniter
• Tubular stabilizing rod

Question 21

Mk66 Mod 4

Answer 21

WARFFAR

• HERO safe and ssafe to hot tube load
• Solid stabilizing rod
• Mk311 igniter

Question 22

M282

Answer 22

• HEI MPP (Multi purpose penetrator)
• 13.6 lbs total weight
• Combination of PBXN-110 explosive and zirconium for incendiary effects
• Fuze is impact firing, PD, time delay fuze. M423 safety device.
• APKWS only

Question 23

Two types of Fuzes

Answer 23

• Point detonating (located on the nose)

- Base detonating (Located on base)