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What is the capacity of the ammunition storage magazine?
1110 rds
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The internal auxillary fuel system (IAFS) incorporates a 100 gallon fuel tank and an ammunition storage magazine capable of holding appoxiamately _____ rounds and ______ in the AHS for approxiamately a 300 round capability.
242, 58
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What are the 2 ways ammunition can be loaded through the side loader?
individual or 11 round strips
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When ammunition is loaded using the side loader, there is approxiamately _____ round space between the side loader and the gun.
40
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What is the color of the projectile on the M789 high explosive dual purpose (HEDP) round?
black projectile, yellow band, yellow lettering
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What is the fragmentation radius of the M789 HEDP round projectile?
4 m
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The M789 can penetrate 2 inches of RHA at ______ meters.
2500
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What is the color of the M788 (TP) round?
blue with white stripe and lettering, aluminum nosepiece
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What 2 types of 30mm ammo is used for firing?
M788 and M789
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In the event of low hydraulic fluid or pressure and/or the loss of electrical power, the stow spring will position the gun cradle and gun to what position in elevation?
+ 11 degrees
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What are the azimuth and elevation limits of the gun turret assembly while on the ground with the GND ORIDE button selected ON?
- Azimuth: 86 degrees L/R centerline
- Elevation: +9 w/in 10 L/R centerline
- +11 from 10 L/R centerline to 86
- and depression - 6.45 (- 60 depression off squat switch
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What is the maximum range of the M230E1 automatic gun?
1500-1700m
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What component drives the gun bolt assembly to the open-bolt position after using dynamic braking?
drive motor
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What is the maximum ballistic solution of the M230E1 automatic gun?
4200 m
-
What is the cyclic rate of fire for the M230E1 automatic gun?
625 + 25 rpm
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What is the gun duty cycle of the M230E1 automatic gun?
- 6 50 rd bursts, with 5 secs in between bursts, followed by 10 min cool down
- no more than 300 rds w/in 60 secs
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What processor provides constraints processing for weapon performance and safety inhibits?
WP
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What processes the bolt position status data from the Gun Control Box (GCB) to derive rounds decrement during firing?
turret control box
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You are in the pilot crewstation and the CPG actions the gun; what indication will you see in your HAD and in what status field?
CGUN (weapons control)
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Which crewstation can conduct the GUN DYNAMIC HARMONIZATION?
CPG
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You are in the CPG crewstation, and you action the gun; will the checkerboard pattern be applied to the pilot WPN page ARM/SAFE status window?
no
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The fixed mode places the gun _____ degrees in azimuth and ______ degrees in elevation.
0, +0.87
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If the round count in the GUN icon is incorrect, how do you input the proper rounds count?
Load maintenance panel or WPN UTIL LOAD page
-
Can you confirm your selected sight on the FCR page?
yes, sight select status
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What will be displayed in the HAD weapon inhibit field during weapons training mode (WTM)?
training
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When the Weapons Training Mode (WTM) is selected, the armament subsystem will adopt a simulated weapon inventory of _____ rounds for the 30 mm.
888
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Gun dynamic harmonization mode is available to the CPG to improve the accuracy of the 30 mm, the CPG places TADS (NFOV) on a target between ______ to ______ meters.
500 - 1500, accurate range within 10m
-
What are the 4 types of ballistics that affect helicopter-fired weapons?
- interior
- exterior
- aerial
- terminal
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The gunner must compensate for lead angle compensation when using which of the available sights?
HMD, because the WP does not provide TSE algorithm
-
What effect does the combination of trajectory shift and projectile shift produce?
port-starboard effect
-
How much compensation is required for projectile jump when firing from a hover?
none, except if a relative wind exists
-
The gun is inhibited for _____ after a missile or rocket launch.
2 seconds
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What is the weapon inhibit status field message that indicates range or other engagement parameters exceed the ballistics processing capability of the system?
BAL LIMIT
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If missiles are selected, and the priority missile is on the inboard launcher, the WP limits the guns firing azimuth to ____ on that side.
52 degrees
-
If rockets are selected, and the selected rocket type is in the inboard launcher, the WP limits the gun azimuth to ______.
60 degrees
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How can performance inhibits be overridden?
2nd detent weapons trigger
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