AH-64D Weapons System
Pylons are controlled through a range of ___ in elevation.
+4.9 to -15 degrees
In the Ripple mode, after the primary channel missile is launched the alternate channel missile may be launcher after ___ seconds separation>
1.5
When the Independent mode is used, only the ___ crew member trigger is active.
Actioning
What crewstation can conduct the GUN DYNAMIC HARMONIZATION?
CPG
In co-op mode, the ___ acquires and tracks the target, and the __ aligns the aircraft for launch using the rocket steering cursor.
CPG / PLT
In the pre-launch mode what are the three methods of target handover data to the RF missile?
FCR, TADS, and IDM (RFHO)
2nd Target INHIBIT selection is used for LOAL or LOBL targets.
LOAL (STI)
What message will display when the actioning crewmember's selected sight is FCR And there is no next-to-shoot target?
LOS Invalid
What does an ALT LAUNCH message indicate?
Missile has been fired (2 seconds)
An RF missile that has an over temp condition will display ___.
OT
In the message "BACKSCATTER" a safety or performance inhibit?
Safety
What MPD page can you electronically arm the M299 missile launcher?
WPN UTIL
In the event of low hydraulic fluid or pressure and/or the loss of electrical power, the stow springs will positions the gun cradle and gun to the what position in elevation?
+ 11 degrees in elevation
What is the maximum offset limit between the gun turret line and the remote designator to the target line?
+/- 60
What are the normal pylon articulation limits when the missiles or rockets are actioned?
+4.9 to -15 degrees
The pylons are positioned at ground stow (wpn util page) which commands the pylons to ___ degrees.
-4.9 degrees
The fixed mode places the gun _______ degrees in azimuth and _______ degrees in elevation?
0 degrees +0.87 degrees
What is the RF missile radiation hazard area to be avoided?
1 meter 45 degrees
What is the capacity of ammunition storage magazine?
1,110 Rounds (Could put 1200 rounds if you use the up and down loader)
What is the maximum effective range of the M230E1 automatic gun?
1,500 to 1,700 Meters
The M151 (10LB) warhead has a bursting radius of __ meters and a lethality radius of __ meters.
10 / 50
The fuze contains the ARM/SAFE device that arms the missile what its launch acceleration exceeds ___ G's between ____ to ____ meters in front of the aircraft.
10 G's. 150 to 300 Meters
In the AUTO power mode, the missiles are powered-up at _________ intervals.
10 minute
During rapid fire engagement the maximum separtion between targets should not exceed ____ meters, with at least an ____ second separation between missile launches.
100 / 8
What is the Tri-service pulse repetition frequency (PRF) code range?
1111 - 1788 1st digit ONLY "1" 2nd digit "1 - 7" 3rd & 4th digit "1 - 8"
How many missiles will be powered with 6 missiles on board with the AUTO power mode selected?
2 missiles
The gun is inhibited for ____ after a missile or rocket launch.
2 seconds
The M789 (HEDP) can penetrate 2 inches of RHA at __________ meters.
2,500 meters
Doppler Beam Sharpening (DBS) uses a curved trajectory to induce a relative motion for stationary targets (STI) to enhance the probability of detection and tracking between what ranges?
2,500 to 8,000 meters
The internal auxillary fuel system (IAFS) incorporates a 100 gallon fuel tank and an ammunition storage magazine capable of holding approximately __________ rounds and _________ in the AHS allowing for approximately a 300 round capability.
242 rounds and 58 in the AHS. IAFS 130 Gallon 58 Total 94 (If you use the up and down loader)
The quantity defaults to ___ for both the channels if suffecient missiles are available.
3
The RF missiles can overheat (OT) if it is radiating (tracking) a target for more than _________ minutes.
3 minutes
During remote designation, the remote designator should not be within +/-____ degree fan from the gun to target line.
30 degrees
What is the fragmentaion radius of the M789 HEDP round projectile?
4 meters
What is the maximum ballistic solution of the M230E1 automatic gun?
4,200 Meters
When ammunition is loaded using the side loader, there is approximately _____ round space between the side loader and the gun.
40 round
The PEN button will display when the ___ fuze is loaded which can defeat bunkers up to __ meters thick.
433 (6RC) / 3
The pilot may have to pitch the nose of the aircraft up when firing rockets beyond ___ meters. The pylons will articulate up to __ degrees per second to compensate for this motion.
4500 / 10
The thrust duration is approximately two to three seconds and the maximum velocity of the missile is _______ M/SEC or Mach ____.
475 meters per second or MACH 1.4
The flight mode is automatically commanded on takeoff when the squat switch indicated airborne for more than ___ seconds.
5 seconds
At a range of ________ to _______ meters, targets are to close for a LOAL engagement and must be a LOBL engagement or a "NO ACQUIRE" message will be displayed.
500 / 1,000
Gun dynamic harmonization mode in available to the CPG to improve the accuracy of the 30MM, the CPG places TADS (NFOV) on a target between _______ to _________ meters.
500 to 1,500 Meters
When thrust exceeds _____ to _____ pounds the missile leaves the rail?
500 to 600 pounds
If the missiles are selected, and the priority missile is on the inboard launcher, the WP limits the guns firing azimuth to ________ degrees on that side.
52 degrees
What is the gun duty cycle of the M230E1 automatic gun?
6-50 round bursts, w/ 5 sec between bursts, followed by 10 min cooling period Can be generalized for burst settings other than 50, fire no more than 300 rounds are fired within 60 seconds before allowing the gun to cool for 10 minutes.
If rockets are selected, and the selected rocket type is in the inboard launcher, the WP limits the gun azimuth to __________.
60 degrees
What is the cyclic rate of fire for the M230E1 automatic gun?
625 (+-25) rounds per minute
What is the max range of the MK-66 and CRV-7?
7500 and 9000
When the Weapons Training Mode (WTM) is selected, the armament subsystem will adopt a simulated weapon inventory of _____ rounds for the 30MM.
888
The M261 (MPSM) warhead contains __ M73 submunitions that will provide 195 (10 grain) high velocity fragments that travel up to 5000 ft per second and can penetrate more than __ inches of armor.
9 SM's and 4 Inches
What is the azimuth and elevation limits of the gun turret assembly while on the ground with the GND ORIDE button selected ON?
AZ 86º L/R Centerline, EL +9º Within 10º L/R Centerline, +11º From 10º L/R Centerline To 86º L/R, and Depression -6.45º. (-60º in depression off squat switch)
What is the weapon inhibit status field message that indicates range or other engagement parameters exceed the ballistic processing capability of the system?
BAL LIMIT (only performance inhibit)
What is the color of the projectile on the M789 High Explosive Dual Purpose (HEDP) round?
Black projectile with a yellow band below the fuze with yellow lettering
What is the color of the M788 (TP) round?
Blue projectile with a white stripe and lettering and an aluminum nosepiece
You are in the pilot crewstation and the CPG actions the GUN: what message will be displayed in your High Action Display (HAD) and it what status field(s)?
CGUN (Weapon Control)
In the co-op mode, both weapon triggers are active and the ___ LOS and range source are used for the ballistics calculations.
CPG
The rocket INVENTORY and QTY selection defaults to the ___ selections during cooperative engagements.
CPG
The cooperative mode is active whenever the rocket system is auctioned via the ___.
CPG LHG
What component drives the gun bolt assembly to the open-bolt position after firing using dynamic braking?
Drive motor
What is the sequence to edit a PRF laser code?
FAB WPN - CODE (T4) - FREQ (T5) - Select a code to edit (A -R (NO "I" or "O"))
What is turret bending and will the weapon processor compensate for this phenomenon?
Flexure of the airframe and gun turret due to sustained recoil. Yes WP compensates for this. None 1st RND, 1/2 2nd RND, Full Table subsequent RNDs.
What is the major difference between the SAL and RF missiles?
Guidance section. The SAL tracks Laser energy (passive) and the RF tracks reflected RF energy (active).
Interior ballistics deals with characteristics that affect the projectile motion inside the ___.
Gun barrel or rocket tube
The gunner must compensate for lead angle compensation when using which of the available sights; why?
HMD; because the WP does not provide TSE algorithm when HMD is the selected sight. *TADS as sight TSE is used for ballistic solution.*
Due to the possibility of surging engines, do not fire rockets from the ___ station. Fire no more than ___ with two outboard launchers every ___ seconds, or fire with only one outboard launcher installed without restrictions.
Inboard / pairs / 3
What are the two ways ammunition can be loaded through the side loader?
Individual Bulk or 11 round strips
Thrust misalignment is a characteristic of ___ ballistics.
Interior
What are the four types of ballistics influencing helicopter-fired weapons?
Interior, Exterior, Aerial, Terminal
What are the four types of ballistics that affect helicopter-fired weapons?
Interior, Exterior, Aerial, Terminal
A SAL missile icon that had not been coded will display ___.
L
What component contains the Training Missile Emulator (TME) that simulates RF missile training?
Launcher electronic assembly
What are the types of 30 mm ammo used for firing?
M788 and M789 (ADEN and DEFA)
If a missile has failed, the icon will display ___.
MF
A hangfire will display ____ in the missile icon.
MH
How will a live missile be coded if there is a M36 training missile loaded on a launcher rail?
N/A. Cannot be launched
You are in the CPG crewstation, and you action the GUN; will the crosshatch pattern be applied to the pilot WPN page ARM/SAFE status window?
NO
How much compensation is required for projectile jump when firing from a hover?
None, except if relative wind exist
The TOTAL ROCKETS status window is displayed when there is a difference between the number of rockets available and the ___.
Number of rockets actually onboard in the selected type.
The ___ provides the interface between the weapons processor and the pylon discrete signals.
PIU (Pylon Interface Unit)
The ALT CHAN button is only selectable after a ___ CHAN has been entered.
PRI
What inhibits can be overidden, and how is this accomplisher?
Performance, pull trigger to second detent
What effect does the combination of trajectory shift and projectile shift produce?
Port-Starboard effect
The __ establishes the aircraft state as SAFE upon aircraft power-up.
SP
The two types of rocket inhibits are ___ and ___.
Safety / Performance
the STORES JETTISON pannel allows for ___ jettison of wing stores while the emergency JETT push button will jettison all stores.
Selected or individual
Transfer alignment occurs in the ________ missile mode.
Standby
What are the three RF missile modes?
Standby, Prelaunch, and Postlaunch
What message will be displayed in the High Action Display (HAD) weapon inhibit field during Weapons Training Mode (WTM)?
TRAINING
What type of ballistics best describes the characteristics and effects of the projectiles at the target?
Terminal
The three RF missile acquisition modes are ________, ___________, and __________.
Terminal Track, Preterminal Track, and Moving Target Acquisition
How can performance inhibits be overidden?
Trigger pull to the second detent
What processes the bolt position status data from the Gun Control Box (GCB) to derive rounds decrement during firing?
Turret Control Box (TCB)
RF missiles have a _____ instead of a straight line at the seeker.
V or "chevron"
If the round count in the GUN icon in incorrect, how do you input the proper round count?
WPN UTIL LOAD
What processor provides contraints processing for weapon performance and safety inhibits?
Weapons processor
What does the message "ALT LAUNCH" mean?
Within 2 seconds of Rocket LAUNCH. SAFETY
Can the M299 fire all variants of the Hellfire missile?
Yes
Can you confirm your selected sight on the Fire Control Radar (FCR) page?
Yes; Sight Select Status (HAD)
The missile MODE selections are _______ in each crewstation.
common