Normal Checklist for OH-58D Kiowa Warrior Checklist

DCS: OH-58D Kiowa Warrior

Normal Checklist

Symbols Preceding Numbered Steps:

* - Indicates performance of steps is mandatory for all thru-flights and combat/tactical flights

(N) - Indicates performance of step is mandatory for night flights.

★ - Indicates a detailed procedure for this step is located in the Supplementary Procedures section of the condensed checklist.

(I) - Indicates mandatory check for instrument flights.

○ - Indicates if installed.

● - Indicates duties which are normally the responsibility of the copilot.

138

WARNING

Do not preflight until armament systems are safe.

○* Weapons systems

Safe

* LASER ARM/STBY/OFF switch

OFF

Publications

Check as required

*Covers, locking devices, tiedowns, and groundIng cables

Removed as required and secure

Main rotor blades

Check

Ignition keylock switch

WARNING

Weapons can be inadvertently fired while the aircraft is on the ground if the MASTER switch is in the ARMED position, electrical power is applied to the aircraft, and either the integrated System Processor (ISP) has failed or the ISP circuit breaker is pulled.

Weapons can be inadvertently fired while the aircraft is on the ground if the MASTER switch is in the ARMED position, electrical power is applied to the aircraft, and either the R MCPU has failed or the R MCPU circuit breaker is pulled.

Cockpit (power on)

Check

Cockpit right side

Check

238

FORWARD FUSELAGE - RIGHT SIDE

○ Crew door

Check

Static port

Check

CAUTION

Absence of lateral rocking motion about aft crosstube center mounting bolt could result in ground resonance and airframe structural damage.

Landing gear

Check

Underside of fuselage

Check

Fuel sample

Drain and check

INTERMEDIATE FUSELAGE - RIGHT SIDE

★○* Weapons system

Check

UWP

Check

CAUTION

Cargo shall not be placed in avionics compartment.

Avionics compartment

Check

Fuel

Check, cap secure

* Hydraulic servos and flight controls

Check

Transmission cowling

Check

* Transmission

Check

Particle separator

Check

* Engine compartment

Check

Fuselage

Check

Oil tank

Check

338

TAILBOOM - RIGHT SIDE

* Tailboom

Check

TAILBOOM - AFT

* Tailboom

Check

* Tail rotor gearbox

Check

* Tail rotor

Check

TAILBOOM - LEFT SIDE

* Tailboom

Check

INTERMEDIATE FUSELAGE - LEFT SIDE

Oil cooler fan exhaust

Check

CAUTION

Prior to servicing engine oil, refer to procedures contained in TM 1-1520-248-10 to preclude over-servicing and damage or possible engine failure.

* Engine oil level

Check

Oil tank compartment

Check

Fuselage

Check

CAUTION

To prevent damage to electrical components all equipment placed in aft electrical compartment shall be clear of electrical components and properly secured.

Aft electrical compartment

Check

* Engine compartment

Check

* Transmission

Check

Particle separator

Check

* Hydraulic reservoir

Check fluid level

Transmission cowling

Check

438

FUSELAGE - TOP

Engine exhaust

Check

Anticollision light

Check

Engine inlet plenum window

Check condition

Hydraulic reservoir

Check

Hydraulic servos and flight controls

Check

Transmission oil filler

Check

* Swashplate and flight controls

Check

* Main rotor system

Check

○* MMS

Check

FORWARD FUSELAGE - LEFT SIDE

CAUTION

Cargo shall not be placed in avionics compartment.

Avionics compartment

Check

UWP

Check

★○* Weapons systems

Check

Landing gear

Check

Underside of fuselage

Check

○ Crew door

Check

Cockpit left side

Check

FUSELAGE - FRONT

Static port

Check

538

FUSELAGE - FRONT

Fuselage

Check

Crew or passenger briefing

Check

638

* Seat belt, shoulder harness, inertia reel

Fasten and check

* Overhead panel equipment and switches

Check

Instrument panel instruments and switches

Check and set

Flight controls and switches

Check and set

○* BATT 2 switch

BATT 2

* BATT 1 switch

BATT 1

WARNING

When helicopter is loaded with rockets, do not use external power. Electromagnetic interference from external source may cause accidental firing of rockets.

* GPU

Connect as required (DC only)

*Caution, warning, and advisory messages and audio

Check

* FADEC AUTO/MAN switch

Check AUTO

Standby altimeter

Set to field elevation

MPD

Test and set

738

* Seat belt, shoulder harness, inertia reel

Fasten and check

● Instrumentpanel instruments and switches

Check and set

Flight controls

Check

838

* Fireguard

Posted (if available)

* Rotor blades

Clear and untied

★* Engine start

Accomplish

* XMSN OIL pressure and ENG OIL pressure

Within limits

938

CAUTION

To prevent damage to the DC charging system; when second battery is installed. Do not initially charge both batteries simultaneously.

○* BATT 2 switch

OFF

* DC GEN switch

DC GEN

* AC GEN switcH

AC GEN

* ESNTL BUS switch

RUN

*GPU

Disconnect (if used)

● DTS/MDU

Mission load as required

*● NAV ALIGN

Initiate as required

RADALT

Check

FADEC system

Check

* Standby flight instruments

Set

MPD BIT/RST switch

Check

* SCAS

Engage

○ ESC

Check

Flight controls

Check

* Caution, warning, and advisory messages

Review

* Throttle

Open

* RPM trim switcH

Adjust to 100% NR

ENG ANTI ICE

Check

PITOT HTR

Check

★○*● Weapons systems

Initialize and check as required

1038

○● ASE

Check as required

○ ADSS

Check and set if use is anticipated

○* Dual battery charging

Complete

○* Grounding cable and ejector rack pins

Removed

1138

● DTS/MDU

Mission load as required

*● NAV align

Initiate as required

○● ASE

Switches on as required

● Avionics

Configure

★○*● MMS startup checks

Complete as required

○● AVTR

Initialize and set as desired

● Navigation systems

Configure as required

● ATHS/IDM

Configure as required

★○*● Weapons systems

Initialize and check as required

○● ASE

Check as required

★○● MMS boresight

Complete as required

1238

* Avionics

As required

* NR

100%

* FADEC AUTO/MAN switch

AUTO

* Systems

Check

○* ACP

Switches set

WARNING

If the copilot cyclic is to be used as a flight control, the cyclic shall be engaged.

* Copilot cyclic

Engaged as required

1338

Engine and transmission instruments

Check

Power assurance check

Perform on the first flight of the day

Flight instruments

Check and set

Hover power check

Accomplish as required

1438

● LASER OFF/STBY/ARM switch

As required

○● MMS

Stowed as required

● ACP

Switches set

Landing light

Set as required.

○●IR JAMMER switch

Set as required

1538

Landing light

OFF as required

Transponder

STBY as required

ASE

Set as required

1638

Flight controls

Cyclic centered, pedals neutral, collective down

FORCE TRIM switch

FORCE TRIM

Present position

Store or record as required

○ AVTR

STOP, MANUAL Unthread, as required

● MMS

OFF before reducing RPM below 95% NP

Throttle

Reduce to idle for 2 minutes

BATT 1/BATT 2

Check

○ AC GEN switch

OFF

FUEL BOOST switch

OFF

○● ASE

OFF

Standby attitude indicator

Caged

SCAS PWR

OFF

● DTS/MDU

Mission store as desired

ENGINE MONITOR/FADEC MONITOR and ENGINE HISTORY pages

Check and record faults or values that exceed limitations

○ ESC

Check

OS TEST

Perform (first flight of the day)

Throttle

Closed and monitor TGT

Overhead switches

SET; off except battery and required lights

IGN circuit breaker switch

OFF

Battery and light switches

OFF, when main rotor blades stop turning

Ignition keylock switch

Off, remove key as required

CAUTION

1738

CAUTION

To prevent damage to honeycomb panel under crew member doorframe, do not drop seat belt against side of aircraft

○ Doors

Close immediately after exiting aircraft

1838

Walk-around

Complete

DA Forms

Complete as required

Main rotor blades

Tie down as required

Secure helicopter

As required

1938

BEFORE EXTERIOR CHECK

○ Weapons systems

Safe

LASER ARM/STBY/OFF switch

OFF

Covers, locking devices, tiedowns, and grounding cables

Removed as required and secured

IGN keylock switch

EXTERIOR CHECK

★○ Weapons systems

Check

Hydraulic servos and flight controls

Check

Transmission

Check

Engine compartment

Check

Tailboom

Check

Tailboom

Check

Tail rotor gearbox

Check

Tail rotor

Check

Tailboom

Check

Engine oil level

Check

Engine compartment

Check

Transmission

Check

Hydraulic reservoir

Check fluid level

Swashplate and flight controls

Check

Main rotor system

Check

○ MMS

Check

2038

EXTERIOR CHECK

★○ Weapons systems

Check

BEFORE STARTING ENGINE - PILOT

Seat belt, shoulder harness, inertia reel and lock

Fasten and check

○ BATT 2 switch

BATT 2

BATT 1 switch

BATT 1

GPU

Connect as required (DC only)

Caution, warning, and advisory messages and audio

Check

FADEC AUTO/MAN switch

Check AUTO

BEFORE STARTING ENGINE COPILOT/PILOT (AS REQUIRED)

Seat belt, shoulder harness, inertia reel and lock

Fasten and check

ENGINE - START

Fireguard

Posted

Rotor blades

Clear and untied

★ Engine start

Accomplish

XMSN OIL pressure and ENG OIL pressure

Within limits

ENGINE RUNUP - PILOT

○ BATT 2 switch

OFF

DC GEN switch

DC GEN

AC GEN switch

AC GEN

ESNTL BUS switch

RUN

GPU

Disconnect (if used)

2138

ENGINE RUNUP - PILOT

● NAV ALIGN

Initiate as required

Standby flight instruments

Set

SCAS

Engage

* Caution, warning, and advisory messages

Review

Throttle

OPEN

RPM trim switch

Adjust to 100% NR

○ Weapons system

initialize and check as required

○ Dual battery charging

Complete

○ Grounding cable and ejector rack pins

Remove

ENGINE RUNUP - COPILOT/PILOT

● NAV align

Initiate as required

★○● MMS startup checks

Complete as required

★○● Weapons systems

Initialize and check as required

BEFORE TAKEOFF

Avionics

As required

100%

FADEC AUTO/MAN switch

AUTO

Systems

Check

○ ACP

Switches set

WARNING

If the copilot cyclic is to be used as a flight control, the cyclic shall be engaged.

Copilot cyclic

Engaged as required

2238

BEFORE TAKEOFF

Crew, passengers, mission equipment, seat belts and armor side panels

Check

2338

ENGINE - START

CAUTION

To prevent damage to engine, if the FUEL CONT caution message is displayed on the MFD, do not start the engine.

To prevent damage to engine, if auto acceleration occurs when the throttle is opened, abort start.

To prevent damage to engine, if the BATT V falls below 10 volts during the starting cycle, abort the start. The CDS, engine instruments, and ESC will not function properly.

To prevent damage to engine, if it becomes apparent that temperature limits will be exceeded before 55% NG is attained, abort start.

NOTE

If BATT V goes below 20 volts, the MFDs will temporarily go blank; this is normal. Monitor TGT and NG. CDS and ESC will function properly. Continue start.

BATT V may go below 14 volts during the initial starting cycle; however, BATT V must be at least 14 volts prior to advancing the throttle. The 14-volt requirement is to ensure proper voltage for the engine system.

START switch

Press and hold. Start time

BATT V and START V

Check above 10 volts

TGT

150 °C or less

Throttle

Advance slowly at 12% NG and modulate throttle to maintain TGT within limits

Throttle

Slowly advance to idle after TGT has decreased from initial peak

TGT

Increasing and within limits

ENG oil pressure

Check

Rotor blades

Beginning to turn by 25% NG

START switch

Release at 55% NG

Check stabilized at idle (63 to 65%)

NOTE

For cold temperature starts, if ENG OIL and/or XMSN OIL pressures are above limits, or ENG OIL and/or XMSN OIL temperatures are below limits, do not accelerate engine above idle.

ENGINE - START (AUTOMATIC MODE)

AUTO/MAN switch

Check AUTO

CAUTION

To prevent a hot start, if the NO AUTO advisory is displayed on the MFD, do not attempt an automatic start, unless message is deleted when throttle is advanced to the idle detent.

NOTE

2438

ENGINE - START (AUTOMATIC MODE)

NOTE

The START switch must be activated within 60 seconds of advancing the throttle or the engine will not start. This is a safety feature to prevent inadvertent automatic starting of engine. Clearing of this safety feature requires the pilot to place the throttle in the cutoff position, cycle the FADEC circuit breaker switch OFF then ON, then reinitiate the start sequence.

Throttle

Open to idle detent

CAUTION

To prevent damage to engine , if the BATT V falls below 10 volts during the starting cycle, abort start. The CDS, engine instruments, and ECU will not function properly.

BATT V may go below 14 volts during the initial staring cycle, hover, BATT V must be at least 14 volts by the time NG reaches 10%. If this requirement is not met, abort start, to prevent the possibility of a hot start. The voltage requirement is to ensure proper voltage for the engine ignition system.

To prevent damage to engine, if it becomes apparent that temperature limits will be exceeded before 55% NG is attained, abort start.

NOTE

If BATT V goes below 20 volts, MFDs will temporarily go blank; this is normal. Monitor TGT and NG. CDS and FADEC control will function properly. Continue start.

START switch

Press for 2 seconds then release

BATT V and START V

Check

TGT

Increasing and within limits

ENG oil pressure

Check

Rotor blades

Turning by 25% NG

START V

Decreased to near 0 at 50% NG

Check stabilized at idle, (63 to 65%)

CAUTION

If starter is still engaged at idle (indicated by START V not near 0) the throttle must be closed, and after TGT is below 200 °C the battery switch(es) must be turned off to prevent damage.

NOTE

For cold temperature starts, if ENG OIl and/or XMSN OIL pressures are above limits or ENG OIL and/or XMSN OIL temperatures are below limits, do not accelerate engine above idle.

BEFORE STARTING ENGINE - MMS SWITCHES SET - COPILOT

CAUTION

When MMS is operating but not being used, the sight shall be slaved FWD to prevent the payload assembly from contacting and damaging the azimuth and elevation stops.

Turn MMS mode select switch off if MMS fails to respond to control commands.

LASER ARM/STBY/OFF switch

OFF

2538

BEFORE STARTING ENGINE - MMS SWITCHES SET - COPILOT

FIRST/LAST switch

As desired

VIDEO MMS SYM INTEN toggle switch

MAN

VIDEO GAIN toggle switch

As desired

VIDEO LEVEL toggle switch

AUTO

OPR mode select switch

OFF

ALFGL switch

OFF

TIS INTEG switch

OFF

LMC switch

OFF

ALE switch

OFF

ENGINE RUN-UP - MMS START UP CHECKS - COPILOT

MMS key

Press

NOTE

MMS run-up requires 3-phase AC power from the AC generator or external AC power. Prior to turning the MMS on, verify required power is available.

When MMS select switch is set to PREFLT, the system immediately checks the output of the LOS CONT switch on the copilot cyclic control grip and supplies an opposite bias in order to zeroize the LOS output. Pressing the LOS switch during the first 5 seconds after power turn-on may induce an error into the bias calculation and cause the MMS to drift.

OPR mode select switch

PREFLT

GRAY SCALE key

Select, adjust as desired, deselect

OPR mode select switch

FWD

MNL/SLAVE switch

Press. Observe MMS slews FWD

Laser codes

Check; enter as required

MMS current laser code

Select appropriate code as required

MMS MANUAL BORESIGHT

A manual boresight is recommended prior to the first automatic boresight on a power cycle, when LOS reticle shifts off target upon FOV or sensor change, or when a REBORESIGHT message remains after automatic boresight. If any of the previous conditions exists, accomplish a manual boresight as follows:

2638

MMS MANUAL BORESIGHT

NOTE

If required, TIS setup procedure should be performed prior to obtain proper TIS picture.

MMS is boresighted automatically in TV NFOV and TIS NFOV only. Manual boresighting can be accomplished in wide or narrow. Each sensor should be boresighted in WFOV prior to NFOV.

Only one senor FOV can be boresighted at a time in BRST MAN. To boresight each, it is necessary to deselect BRST MAN, select the other sensor and/or FOV, then reselect BRST MAN.

OPR mode select switch

PREFLT

LASER ARM/STBY/OFF switch

ARM

TV/TIS switch

Select desired sensor

FOV SEL switch

Select desired field of view

BRST MAN key

Press

Resolution target appears for approximately 6 seconds then disappears. Check clear and in focus.

LASER fire switch

Press and hold

Adjust LOS reticle until it is centered over the laser spot by adjusting the LOS CONT switch. Then release LASER fire switch.

BRST MAN

Press to deselect manual boresight

Repeat steps 3 through 7. as required to boresight each sensor and field of view.

LASER ARM/STBY/OFF switch

Set as required

MMS AUTOMATIC BORESIGHT

NOTE

If required, TIS setup procedures should be performed prior to boresighting to obtain proper TIS picture.

TIS HOT message may remain as an advisory message. Disregard if TIS picture meets operational requirements

FOV SEL switch

Select narrow field of view for both TV and TIS sensors

OPR mode select switch

PREFLT

LASER ARM/STBY/OFF switch

ARM

BRST AUTO key

Press

2738

MMS AUTOMATIC BORESIGHT

Resolution targets for each senor appear for approximately 6 seconds each, then disappear. Check clear and in focus.

LASER fire switch

Press and hold before second resolution target disappears

TV and TIS

Verify laser spot size

(TV 1/16 - 1/8 inch, TIS 2-3 lines for MSP, 3-4 lines for IMSP).Verify target gate displays sizes and tracks laser spot. There should be no jitter and spot should P-8 TM 1-1520-248-CL be centered in the gate. (fig. 4-16 and 4-17)

NOTE

If REBORESIGHT appears after selecting an operating mode, accomplish manual boresight.

BRST COMPLETE message

Appears in status block

LASER fire switch

Release

LASER ARM/STBY/OFF switch

OFF

NOTE

After selecting an operational mode, if the REBORESIGHT message remains ,accomplish a manual boresight

SINCGARS - SET AND CHECK

NOTE

SINCGARS AN/ARC-201 radio may not be configured for 1 minute while radio completes BIT and initializes frequency presets.

SINCGARS AN/ARC-201D radio may not be configured for 1 minute while radio completes BIT and initializes frequency presets.

Procedures for configuring both SINCGARS radios are typical.

COMM key (or DSPL SEL switch) - COMM page displays

L-1/L-5 - Press to select FM radio

R-5 - Press to access FM control page

SC/FH key Press to select single channel or frequency hop

EMER T/R key - Press to select current SC or emergency frequency

PWR key - Press to select IFM power level

NOTE

KYBD will not display when FH is selected since frequencies/channelscannot be changed in FH mode

ERR will display when channel entered is not in frequency list or if entered frequency is out of range for the radio.

KYBD key - Press to activate MFK for entering radio channels from frequency list or manual frequencies

2838

SINCGARS - SET AND CHECK

TOD key -Press to retrieve the radios TOD

A cursor will appear allowing entry of a new TOD. All leading and trailing zeros must be entered. If no new TOD is entered then radios will retain the displayed TOD

NOTE

SQL displays and squelch function is activated only when SC mode is selected.

SQL key - Press to select squelch as desired

OSET/MEMBER/CONTROL key - Press to select as desired

Selects frequency offset for current preset or manual frequency when operating in the SC mode. MEMBER or CONTROL is selected when operating the FH mode.

FREQ LIST key - Press to select frequency list

FH DATA PAGE 2 key - Press to load, edit, and select frequency hop data page 2 when FH mode is selected

NOTE

When helicopter is on the ground the legend for L-2 is LOAD COMSEC or MODE 23.

HSET/LSET key - Press to select hopset display or lockset display information

CH keys - Press to increment / decrement displayed fill channel code received from radio

Displayed channel code received from radio. Displayed channel number is channel in which the hopset is stored and hopset used for frequency hopping when FH data selected is HSET. Displayed channel number is the first digit of lockout set when FH data selected is LSET.

NOTE

This channel number is not to be confused with operational frequency channel of the radio. This channel is for selection and display of FH parameter only.

HSET EDIT key -Press to change existing channel code or create new code. Code displays next to HSET channel number

ZEROIZE/LATE NET (R-1) - ZEROIZE clears all data stored in the RT, including all preset SC frequencies and FH data

When pressed ZEROIZE will flash; press R-1 again to ZEROIZE. ZEROIZE is only available when the helicopter is on the ground. LATE NET allows the RT containing all fill data, but whose clock is out of sync, to join a net. To activate LATE NET, select appropriate FH channel (L-3/L-4) and press R-1; LATE NET will box until the RT has received a new time sync. LATE NET is only available when the helicopter is off the ground.

NOTE

While LATE NET is boxed, transmission by other members of the net causes the radio’s time to synchronize

COPY HSET (R-2) - Allows one channel to be copied to another

When pressed display will change to FROM CH=, a stored channel is entered from the MFK, the cursor changes to TO CH=, and desired destination channel is entered from the MFK.

FILL (R-3) - Allows TSEC variable, HSET variables and LSET variables to be loaded to the RT while the helicopter is on the ground.

To load, connect fill device to RT, select desired variable on fill device, and turn fill device power on. Press R-3, which will box FILL, and allow the RT to interrogate fill device. The TSEC variable is loaded by selecting manual (M) channel at L-3/L-4 and pressing FILL.

Once TSEC variable is loaded, legend COLD will appear adjacent to channel indicator when M channel is selected.If an HSET is interrogated, then that HSET will be stored with displayed HSET channel number. If an LSET is interrogated, then LSET channel number associated with LSET will be stored and displayed. After complete, turn fill device power off and remove from RT. FH will not function if fill device is left attached to RT.

CLEAR (R-4) - Clears individual channels. When pressed, display changes to CH=; select channel to be cleared and enter on MFK.

NOTE

ERR will appear adjacent to R-4 if current HSET channel is entered.

2938

SINCGARS - SET AND CHECK

NOTE

Cannot clear currently selected channels.

ASE - CHECK

|Operation AN/APR-39A(V)1|

WPN ASE or WEAPON SEL switch

Position to ASE

ASE SET-UP/BIT page

Verify appears on CPG MFD

NOTE

The user defined module (UDM) must be installed in the AN/APR-39A(V)1 prior to aircraft power up. If the UDM is not installed, the radar warning indicator will display a “p” after an initial BIT. An audio message will annunciate “APR-39 failure.” Any subsequent strobe displays on the indicator should be considered unreliable.

If the AN/APR-39A(V)1 radar detecting system is not installed, the legend to the right of L-1 will be blank.

PULSE RADAR WARN PWR

OFF. Verify displayed on the first line to the right of L-1

FULL and TERSE

Verify displayed on the third line to the right of L-1

AN/APR-39A(V)1 mode is controlled by L- 1. Successive presses of L-1 cause the AN/APR-39A mode to toggle between FULL and TERSE modes

L-1

Press until the system is set to the FULL mode as indicated by the boxed FULL

RADAR WARN circuit breaker/switch - In/WARN. Verify that the legend to the right of L-1 changes to PULSE RADAR WARN PWR - ON and VOICE APR-39 power up should be heard AVR-2 PWR ON should also be present

NOTE

Allow one minute for system warmup.

R-1

Press to initiate system BIT

SELF-TEST SET VOLUME 1 through 12 - Verify synthetic voice count is heard on the headset

Volume - Adjust audio level while count is taking place and verify proper volume control operation

RWR system indicator - Verify displays the numbers of operational flight program (OFP) and emitter identification data

NOTE

If a fault is noted, the display shall show two triangles for the aft and forward location, with the faulty receiver blinking.

Indicator - Verify forward and aft receivers triangles appear at 6 & 12 o'clock

3038

ASE - CHECK

Asterisk - Verify appearance in all four quadrants along with the system receiver status. They represent AVR-2A sensors.

APR-39 OPERATIONAL - Heard on the ICS headset at the end of Successful self-test operation.

APR-39 FAILURE - Heard on the ICS headset at the end of successful self-test operation.

“+” symbol - After completion of self-test, should be displayed at the center of the indicator.

L-1

Select TERSE

R-1

Press to initiate self-test

SELF-TEST SET VOLUME 5 through 1 - Verify synthetic voice short count heard on the ICS headset.

Display - Verify symbology same as in FULL mode.

NOTE

If the ISP fails the AN/APR-39A(V)1 will default to FULL mode. Audio will be present but at reduced amplitude. ASE SET-UP/BIT page will display whatever was present at the time the ISP failed.

If the R MCPU fails the AN/APR- 39A(V)1 will default to FULL mode. Audio will be present but at reduced amplitude. ASE SET-UP/BIT page will display whatever was present at the time the R MCPU failed.

|Operation AN/APR-44|

NOTE

If the ISP fails the AN/APR-44 will default to ON. Audio will still be present but at reduced amplitude. No advisories will display with the ISP failed.

If the R MCPU fails the AN/APR-44 will default to ON. Audio will still be present but at reduced amplitude. No advisories will display with the R MCPU failed.

RADAR DETR circuit breaker/switch

In/DETR. Allow 1 minute warmup

CW RADAR WARN PWR

Check ON displays

Volume

Adjust as required

Headset - Verify low pitch tone followed by brief high pitch tone and momentary display of MISSILE ALERT - Al and MISSILE ALERT - SAM advisories.

|Operation AN/AVR-2A|

The AN/AVR-2A is checked simultaneously with the AN/APR-39A(V)1 system. Once system bit is completed the system is ready for operation

NOTE

If the ISP/ R MCPU fails, the AN/AVR- 2A will operate in the backup default mode. While operating in the default mode the AN/AVR-2A will continue to provide n o r m a l f u n c t i o n w i t h t h e f o l l o w i n g exceptions: current system power status will not be displayed on the ASE SET-UP/ BIT page. Aural warning will be reduced in amplitude.

3138

ASE - CHECK

RADAR WARN circuit breaker/switch

In/RADAR. Allow 1-minute warmup

AVR-2A PWR

Check ON displays

PULSE RADAR WARNING BIT key

Press

Four asterisks will appear simultaneously. A faulty AN/AVR-2A quadrant is shown as a flashing asterisk. No audio announcement is associated with the AN/AVR-2A self-test.

BRIL control

Rotate, check indicator illumination

Volume

Adjust as required

|Operation AN/ALQ-144|

ASE SEL switch

Press. ASE SET-UP/ BIT page displays

NOTE

ASE SET-UP/BIT page may be selectedby pressing the WPN ASE button on theCPG auxiliary panel.

AN/ALQ-144 is an active IR countermeasure system that is separate from the AN/APR-44 radar warning system.

IR JAMMER BASE switch

IR JAMMER (ON)

IR JAMMER XMTR switch

XMTR (ON)

MFD

Check ON-IR JAMMER PWR displays

After a minimum of 15 minutes of operation, IR JAMMER BASE switch

BASE (OFF)

IR JAMMER XMTER switch

IR JAMMER (OFF)

MFD

Check OFF-IR JAMMER PWR displays, after 1-minute cool down period

WEAPONS SYSTEMS - CHECK

|.50 CALIBER MACHINE GUN|

EXTERIOR - CHECK

Ejector rack

Check; impulse cartridges installed

Ammunition can

Check

3238

WEAPONS SYSTEMS - CHECK

EXTERIOR - CHECK

○ Ammunition

Properly loaded

Ammunition can cover

Closed and locked

Feed chute

Check

Electrical connectors

Secure

Cover

Open

Bolt

Forward

Feed mechanism

Aligned

First round

Curved portion against stripper with double loop link toward gun.

Cover

Closed and locked

WARNING

The gun is now loaded. Personnel should avoid passing directly in front of the gun

Gun

Check

ENGINE RUNUP

MASTER switch

STBY

PDU BIT

Accomplished

WEAPON SEL switch

Select WEAPONS PAGE

L-3

Press. enter number of rounds loaded

WEAPOM SEL switch

RECOCK (strips first round out and chambers round)

NOTE

Ground personnel should hold up round and link to indicate proper ammunition feeding

2.75 INCH ROCKETS

3338

WEAPONS SYSTEMS - CHECK

EXTERIOR - CHECK

Ejector rack

Checked; impulse cartridges installed

○ Rockets

As required

Launcher

Check. Check lanyard attached

Electrical connectors

Check

○ Fuze umbilical

Connected

ENGINE RUNUP

MASTER switch

STBY

PDU BIT

Accomplish

WEAPEN SEL switch

Select WEAPONS PAGE

R-5

Press to return to WEAPONS PAGE

L-4

Press to enter AIRBURST FUZE/CUE DISTANCE as required

L-5

Press to enter CONTACT FUZE/ CUE DISTANCE as required

ROCKET SPARSE VSD

Select

MODE

Select as required

ZONE

Select as required

ATAS

EXTERIOR- CHECK

Ejector rack

Check; impulse cartridges installed

○ Coolant bottle

Check for 4500 to 6500 psi. If less than 3500 psi, coolant bottle must be recharged

Missile launcher

Check

3438

WEAPONS SYSTEMS - CHECK

EXTERIOR- CHECK

Missiles

Check as follows:

○ a. Blowout disk

Check

b. Electrical connections

Check

c. Humidity indicator

Check (green)

○ d. IR cover

Remove

e. Seeker head

Check

ENGINE RUNUP

MASTER switch

STBY

PDU BIT

Accomplish

WEAPON SEL switch

Select WEAPONS PAGE

R-5

Press to select WEAPONS BIT/SET-UP PAGE

ATAS BIT

Press

HELLFIRE

Ejector rack

Check; impulse cartridges installed

Missile launcher

Check as follows:

a. SAFE/ARM switch

SAFE

b. Umbilical connector

Check connected to launcher. Pull away cable connected to rack and connector

c. Missiles

Check missiles security on rail and that holdback release handle is in the LATCH position

Rails

Check as follows:

a. Grounding straps

Check

3538

WEAPONS SYSTEMS - CHECK

Rails

Check as follows:

b. Electrical cover plate

Down (if missile not installed)

CAUTION

If only one missile is loaded on a launcher, the missile shall be loaded on the outboard launcher rail.

c. Missile load configuration

Per mission requirement

d. Swaybrace and jamnuts

Check

○ Missiles

Check as follows:

WARNING

If deice cover (environmental protective cover) is installed, aircraft doors must be installed and vents placed in the closed position to prevent injury to personnel from shattered frangible dome.

a. Seeker dome

Clean and undamaged

b. Deice dome cover

Check dome cover installation in missiles and harness connection to launcher rail

c. Strakes/wings/control surfaces

Check

d. Missile body

Check

ENGINE RUNUP

MASTER switch

STBY

WEAPON SEL switch

Select WEAPONS PAGE

NOTE

The laser codes are entered into the system from the MFK onto the Laser Code List page on the MMS. No two addresses should have the same laser code.

When entering codes into the HMS the first digit must be 1, the second, third and fourth digits can be any number from 1 through 8. The system will not accept the numbers 9 and 0.

R-1

Press to enter PRI/ALT laser codes

R-5

Press to select WEAPONS BIT/SET-UP PAGE

R-1

Press to enter MISSILE PER CODE data

L-1

Press to perform HELLFIRE BIT

3638

AIRBORNE CALIBRATION

NOTE

Airborne calibration should be checked for proper accuracy on every flight. Airborne calibration is performed only if prepoint target is not visible in narrow field of view.

Surveyed locations are much better than ones whose coordinates are read from a map.

Target waypoint

Enter and select as fly-to waypoint in the FLIGHT PLAN

Ensure the navigation system is accurate.

Helicopter

Position at hover at least 3 km from target being used, with the target visible in the MMS

MMS mode select switch

PREFLT

SETUP key

Press

AIRBORNE CAL key

Press to display the AIRBORNE CALIBRATION Page

Clear key

Press, as required to eliminate existing airborne cal values

Store key

Press as required

TV or TIS narrow field- of-view

Selecy and point track the target

Target

Position helicopter to put target greater than 90° to the right of helicopter

TGT RIGHT key

Press

Target - Perform a right pedal turn at no more than 5° per second to position target greater than 90° to the left of helicopter.

TGT LEFT

Press

STORE key

Press to load these values into nonvolatile memory, as desired

MMS mode select switch

PREPNT.

Prepoint the target with wide field of view selected and verify airborne cal accuracy by verifying that the target is within narrow field of view area.

NOTE

Failure of airborne cal are usually very obvious. When step 15 is completed and the target is not even close, sequence through the flight plan back to correct target and repeat airborne cal beginning at step 3.

If step 15 reveals the target is close but not within narrow FOV or if an azimuth error exists but elevation is good, an EGI heading error could be the cause. In this event, repeat the entire airborne cal beginning at step 1.

3738

MANUAL DRIFT COMPENSATION

MMS mode select switch

PREFLT

SETUP key

Press

MDC key

Press to ON

CAUTION

Ten to 200 seconds can be used and the longer sample will provide more accurate data. During the sampling period, the MMS LOS will continue to drift. Do not allow MMA to contact stops.

MDC key

Press to OFF

MMS mode select switch

FWD

MNL/SLAVE switch

Press to enter manual track mode

LOS drift

Check. if drift has not been corrected, call maintenance

3838

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