Crew Served Weapons

Question 1

Max Range of the GAU-21

Answer 1

6,500m

Question 2

Max Effective Range of the GAU-21

Answer 2

1.850m

Question 3

Tracer Burnout for GAU-21

Answer 3

1,100m

Question 4

Firing Rate of GAU-21

Answer 4

1025 +/- 25 rds/min

Question 5

General description of the GAU-21

Answer 5

.50 Cal, Air cooled machine gun capable of providing medium range suppressive fire.

Question 6

After how many rounds must the GAU-21 be completely cooled? How long will that take?

Answer 6

600rds. 7-10 minutes. 7 minutes is for when there is significant airflow for cooling. 10 minutes for when there isn’t.

Question 7

GAU-21 Limitations

Answer 7

• GAU-21 is not authorized to be installed in the following configurations:
– With both RHEP and RIB auxiliary fuel tank installed.
– With a torpedo on the ROB station (RHEP).
• The following configuration limits apply:
– When GAU-21 with RHEP stop is installed, RIB auxiliary fuel tank installation is prohibited.
– When GAU-21 with RIB auxiliary fuel tank stop is installed, RHEP installation is prohibited.

Question 8

Max Range of the M240D

Answer 8

3,725m

Question 9

Max Effective Range of the M240D

Answer 9

1,200m

Question 10

Tracer Burnout of the M240D

Answer 10

900m

Question 11

Firing Rate of M240D

Answer 11

650-950 rds/min (gas plug dependent)

Question 12

General Description of M240D

Answer 12

air-cooled, gas operated, machine gun that fires 7.62mm ammunition

Question 13

M240D Limitations

Answer 13

• M240D is not authorized to be installed in the following configurations:
– With both RHEP and RIB auxiliary fuel tank installed.
– With a torpedo on the ROB station (RHEP).
• The following configuration limits apply:
– When M240D with RHEP stop is installed, RIB auxiliary fuel tank installation is prohibited.
– When M240D with RIB auxiliary fuel tank stop is installed, RHEP installation is prohibited.

Question 14

Are you allowed to have either gun and a RIB Aux tank and a RHEP at the same time?

Answer 14

no

Question 15

IZLID

Answer 15

The Infrared Zoom Laser Illuminator/Designator (IZLID), is a Class 3B, infrared weapon-mounted multi-function laser illuminator/designator. It is designed to operate in conjunction with NVG as a weapon aiming device. It emits a concentrated beam of invisible infrared radiation. It can be mounted to, and bore-sighted to either gun. It is powered by two AA batteries.