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DCS: OH-58D Kiowa Warrior
Normal Checklist
created by shirokonosensei
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
On
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
On
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
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
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
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
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