GAU-2

Question 1

-1 PDF 942
What is the WARNING associated with cold weather?

Section II

Answer 1

During cold weather operations (less than 10 C) the GAU-2 may not self clear. Ensure weapon is pointed in a safe direction at all times and be aware that rotation of the barrels may be required to prevent injury to personnel.

Question 2

-1 PDF 945
What is the CAUTION associated with removing parts from the GAU-2?

Section II

Answer 2

The GAU-2 pintle head ball-lock pin keeps the GAU-2 secured to the gun mount and shall not be removed in flight. Removing the pintle head ball-lock pin may allow the GAU-2 to fall off the aircraft.

Question 3

-1 PDF 1371
What is the WARNING associated with gun jams after firing a long burst?

Section IV

Answer 3

If gun jams after firing a long burst (800 rounds or more) or many short bursts in quick succession, the heat of the gun may cause a cook-off of rounds in the gun. When jams occur under these conditions, immediate action should be taken to clear the gun by rotating the barrel cluster in the firing direction, using a safing bar. If the gun cannot be cleared immediatly, keep the gun pointed in a safe direction so that it may cool. Wait approximately 5 minutes or until the gun is cool, before removing the top cover/safing blade assembly. Extreme care should be exercised when removing the top cover/safing blade assembly as the gun may fire.

Question 4

-1 PDF1371
What is the WARNING associated with EMGS elevation and azimuth and FFF?

Section IV

Answer 4

EMGS elevation and azimuth locking devices shall be locked in the fixed forward position prior to pilot operation of the weapons.

Question 5

-1 PDF 1371
What is the NOTE associated with the LH GUN BATT/RH GUN BATT circuit breaker?

Section IV

Answer 5

The circuit breaker may pop when attempting to fire a jammed weapon due to an inrush of current to the firing solenoid. Prior to resetting the circuit breaker, the circuit breaker must be allowed to cool down for approximately 2 minutes. If not allowed to cool down for the full 2 minutes, the GUN BATT circuit breaker may not be reset.

Question 6

-1 PDF 1372
What is the WARNING associated with clearing the gun chambers?

Section IV

Answer 6

Clearing gun chambers will be performed unaided (without NVGs) with eye protection in place and an adequate light source used to verify the gun and mount are cleared of ammunition.

Question 7

-1 PDF 1372
What is the WARNING associated with unlocking the mount to aid in clearing?

Section IV

Answer 7

Unlocking the mount to aid in clearing a potentially armed gun could result in crewmembers or the aircraft entering the weapon field of fire.

Question 8

-1 PDF 1373
What is the WARNING associated with before performing downloading?

Section IV

Answer 8

Before performing downloading, the ammunition chute will be disconnected, the gun will be cleared and the safing bar will be installed. If used, the safing blade will be open.

Question 9

-1 PDF 946
What is the WARNING associated with the ammunition can lid?

Section II

Answer 9

Use caution when opening the ammunition can lid in flight, as it is possible for the wind to catch the lid and cause injury to personnel and damage to equipment.

Question 9

-1 PDF 1355
What is the WARNING associated with the associated triggers?

Section IV

Answer 9

The system should only be armed jprior to firing the weapons. Regardless of the position of the weapons, all the associated triggers are active when the left-hand/right-hand CGCP battery switches are set to ON, the TGSCP master arm switch is in the ARM position, the TGSCP mode switch is in the ALL position for either left or right station mode select switches, and either the GAU-2 GCU gun power switch is in the ON position. Cyclic firing control is not active while the CGCP arm override switch is in the ARM OVRD position.

Question 9

-1 PDF 1355
What is the WARNING associated with an armed and/or malfunctioning weapon?

Section IV

Answer 9

Armed and/or malfunctioning weapons will be kept pointed in a safe direction at all times to preclude fratricide, collateral damage, and violation of range restrictions.

Question 9

-1 PDF 1355
What is the WARNING associated with eye protection?

Section IV

Answer 9

Failure to use eye protection can cause serious injury. Crewmembers operating guns will wear eye protection during all weapons firing missions. Eye protection will consist of authorized flying glasses, helmet visor, or any shatter-proof eye protection. NVGs are not authorized eye protection.

Question 9

-1 PDF 1355
What is the WARNING associated with egress?

Section IV

Answer 9

Emergency egress throught hte cockpit doors when all weapons are locked in elevation and in the forward position may require jettison of the cockpit doors.

Question 9

-1 PDF 1355
What is the WARNING associated with cabin egress?

Section IV

Answer 9

Emergency egress using the cabin windows is hindered with weapons installed.

Question 10

-1 PDF 1355
What is the WARNING associated with flying at low G?

Section IV

Answer 10

Although mechanical stops are provided, when maneuvering at low G, it is possible to fire the weapons into the main rotor blades.

Question 11

-1 PDF 1355
What is the WARNING associated with the weapon and the hoist?

Section IV

Answer 11

When firing the weapons during rescue hoist operations, it is possible to shoot the hoist cable and litter, and caus einjury to personnel and damage to equipment.

Question 12

-1 PDF 1356
What is the CAUTION associated with flying with the weapon and the window closed?

Section IV

Answer 12

With the weapons installed and the gunners’ windows closed, ensure weapon is locked forward to prevent damage to the gunners’ window.

Question 13

-1 PDF 1356
What is the CAUTION associated with front fairing of the ammunition can?

Section IV

Answer 13

Lifting the ammunition can cover by the front fairing may cause damage.

Question 14

-1 PDF 1356
What is the CAUTION associated with the weapon and the refuel probe?

Section IV

Answer 14

Crew served operation of the right-hand gun when pointed toward the aerial refuel probe in azimuth, unlocked in elevation, and with the aerial refuel probe extended can result in the round trajectory being less than 6 inches from the aerial refuel probe, and should be avoided.

Question 15

-1 PDF 1356
What is the NOTE associated with VOX?

Section IV

Answer 15

Firing weapons may actuate the pilot’s and copilot’s intercom system when using VOX.

Question 16

-1 PDF 1356
What is the NOTE associated with moving the weapon forward of the 3 or 9?

Section IV

Answer 16

Significant force is required to move all weapons forward of the 3 or 9 o’clock position when traveling at airspeeds above 100 kts.

Question 17

-1 PDF 1356
What is the NOTE associated with CGCP arm override switch?

Section IV

Answer 17

The CGCP arm override switch can be used to override the pilot’s TGSCP guns arm switch. When the CGCP arm override switch is actuated, the station becomes armed and can only be fired in the side fire mode.

Question 18

-1 PDF 1357
What is the WARNING associated with proceeding with any weapon operations?

Section IV

Answer 18

Failure to ensure weapon is visually and physically clear and safe before proceeding with any weapon operations may result in neglecting discharge of the weapon.

Question 19

-1 PDF 1357
What is the CAUTION associated with the feeder timing pin?

Section IV

Answer 19

Failure to ensure the feeder timing pin is fully disengaged may result in damage to the delinking feeder.

Question 20

-1 PDF 1357
What is the NOTE regarding rotating the gun and the clutch?

Section IV

Answer 20

The gun barrels must be rotated enough to properly engage and disengage the clutch.

Question 21

-1 PDF 1357
What is the NOTE associated with the delinking feeder not disengaging in a timed position?

Section IV

Answer 21

If delinking feeder did not disengage in a timed position, the gun may have a faulty clutch assembly.

Question 22

-1 PDF 1358
What is the WARNING with the gun’s field of fire?

Section IV

Answer 22

Ensure that no portion of the aircraft are in the gun’s field of fire. The potential for damage to the aircraft and/or injury to the crew exists if any portion of the aircraft were to enter the gun’s field of fire.

Question 23

-1 PDF 1358
What is the WARNING associated with the ammunition can lid prior to flight?

Section IV

Answer 23

Ensure the ammunition can lid is completely latched and secured prior to flight. Failure to do so could result in the ammunition can lid causing a catastrophic failure.

Question 24

-1 PDF 1359
What is the WARNING associated with applying power?

Section IV

Answer 24

The possibility exists for the minigun to rotate when power is applied. Ensure the safing bar is installed, the safing blade is open, and that the ammunition chute is not conneted to the delinking feeder until the power on check is complete.

Question 25

-1 PDF 1360
What is the CAUTION associated with connecting the ammunition feed chute?

Section IV

Answer 25

Failure to connect the ammunition feed chute to the delinking feeder (or otherwise secure the gun end of the ammunition chute) can result in the loss of ammunition overboard and/or damage to airfram and weapon system components.

Question 26

-1 PDF 1373
What is the NOTE associated with before downloading?

Section IV

Answer 26

Ensure ammunition can lid is closed or last round override switch is on.