ST 6-50-60 Tactics, Techniques, and Procedures for
M109A6 HOWITZER (PALADIN) OPERATIONS


APPENDIX E

SAFETY QUALIFICATION CHECKLIST

E-1. SAMPLE CHECKLIST FOR THE QUALIFICATION OF PALADIN SAFETY PERSONNEL

a. Description. The qualification checklist presented here is designed to be used by the commander as a guide to develop a program that fully qualifies all personnel involved in firing. This checklist is in addition to any other qualification the unit currently conducts.

E-2. SAFETY CHECKLIST

 

a. Part I

TASK: Initialize the AFCS and communicate with the platoon operations center.

CONDITIONS: An M109A6 howitzer with an operational AFCS, radios, survey control with data and communications data base parameters.

PERFORMANCE MEASURES: GO NO-GO

1. Positions howitzer within 1 meter of survey

control point. ____ _____

2. Turns on AFCS and selects normal operations. ____ _____

3. Enters net access data. ____ _____

4. Enters net address data. ____ _____

5. Enters data on all asterisked (*) items in the

setup and information menus. ____ _____

 

b. Part II

TASK: INITIALIZE AFCS 061270 - 3557

CONDITIONS: DIRECT THE ESTABLISHMENT OF DIGITAL AND VOICE COMMUNICATIONS BETWEEN THE M109A6 HOWITZER AND THE POC AND/OR A PAIRED M109A6 HOWITZER SECTION.

PERFORMANCE MEASURES GO NO/GO

1. ENSURES THAT THE LEFT DRIVE SPROCKET IS

WITHIN 1 METER OF SURVEY CONTROL POINT

2. ENSURES THE TUBE IS IN TRAVEL LOCK AND

TURRET IS LOCKED

3. ENSURES VEHICLE MASTER SWITCH IS "ON";

POWERS UP RADIOS

4. TURNS ON DISPLAY UNIT, OBSERVES SYSTEM

STATUS (EXPLAINS OK, DEGRADED, OR OUT

SUBSYSTEMS)

5. ENTERS NET ACCESS

6. ENTERS NET ADDRESS

7. ENTERS DATE TIME GROUP, CONDUCTS FM

VOICE RADIO CHECK WITH POC

8. GETS INITIALIZATION FROM BATTERY

COMPUTER SYSTEM

9. SELECTS NAVIGATION RESTART

10. ENTERS EASTING

11. ENTERS NORTHING

12. ENTERS ALTITUDE

13. ENTERS GRID ZONE

14. ENTERS SPHEROID

15. ENTERS AMMUNITION (SHELLS, PROPELLANTS,

AND FUZES)

16. ENTERS PROPELLANT TEMPERATURE

17. ENTERS TIME ON TARGET RESPONSE TIME

18. ENTERS SECTOR OF FIRE

19. ENTERS LOAD ELEVATION

THE SOLDIER SCORED NO/GO, TELL HIM AND WRITE A BRIEF EXPLANATION IN THE SPACE BELOW.

CHECK ONE:

GO:

NO/GO INSTRUCTOR'S INITIALS

 

 

 

 

TASK: NAVIGATE FROM ONE POINT TO ANOTHER USING THE AFCS 061-270- 3561

CONDITIONS: A M109A6 HOWITZER WITH AN OPERATIONAL AFCS, OPERATING DURING DAY AND NIGHT, DIGITAL COMMUNICATIONS WITH THE PLATOON OPERATIONS CENTER, A MOVE ORDER, SECTION PERSONNEL, AND TM 9-2350-314-10.

PERFORMANCE MEASURES: GO NO/GO

MANUALLY ENTERED

1. PLOT DESTINATION ON MAP

2. PLAN ROUTE OF MARCH ON MAP AND INFORM ATC

3. SELECTS MANUAL MOVE ORDER MENU

4. ENTERS DESTINATION (EASTING, NORTHING,

ALTITUDE, GRID ZONE, AND SPHEROID)

5. MANUALLY INPUTS THE SECTORS OF FIRE THAT

ARE PROVIDED BY POC

6. NAVIGATES HOWITZER TO DESTINATION USING

NAVIGATION AID AND MAP

7. IF MOVE ORDERS ARE TO A FIRE POINT, HOWITZER

MUST BE WITHIN 20 METERS OF DESTINATION

 

BCS PROVIDED

1. PLOT DESTINATION ON MAP

2. PLAN ROUTE OF MARCH ON MAP AND INFORM ATC

3. NAVIGATES HOWITZER TO DESTINATION USING

4. IF MOVE ORDERS ARE TO A FIRE POINT, HOWITZER MUST BE WITHIN 20 METERS OF DESTINATION

IF THE SOLDIER SCORED NO/GO, TELL HIM AND WRITE A BRIEF EXPLANATION IN THE SPACE BELOW.

CHECK ONE:

GO:

NO/GO INSTRUCTOR'S INITIALS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TASK: PREPARE A HOWITZER FOR FIRING WITH THE AFCS 061-270-3555

CONDITIONS: M109A6 HOWITZER IN A FIRING POSITION OR AREA, A SECTOR OF FIRE, AND INITIALIZED AFCS, SECTION PERSONNEL, AND TM 9-2350-314-10.

PERFORMANCE MEASURES GO NO/GO

1. ORIENT THE HOWITZER ONTO THE GENERAL

DIRECTION OF THE CENTER OF FIRE

2. CONDUCT PRE-FIRE CHECKS

3. PRESSES ARRIVED KEY ON DISPLAY UNIT

4. VERIFIES LOCATION

5. VERIFIES AZIMUTH

6. DETERMINES SITE DATA

7. INPUT MAX ELEVATION AND LOAD ELEVATION

8. VERIFY FIRING LIMITS

9. ANNOUNCES READY TO FIRE TO POC

 

 

 

 

 

 

 

 

 

 

IF THE SOLDIER SCORED NO/GO, TELL HIM AN D WRITE A BRIEF EXPLANATION IN THE SPACE BELOW.

 

 

 

CHECK ONE:

GO:

NO/GO INSTRUCTOR'S INITIALS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TASK: PERFORM PRE-FIRE CHECKS 061-270-3430

CONDITIONS: M109A6 IN A FIRING AREA OF POINT, CONDUCTING OCCUPATION PROCEDURES DAY OR NIGHT.

PERFORMANCE MEASURES: GO NO/GO

1. CHECK TUBE, MUST BE CLEAN AND DRY WITH

NO VISIBLE DAMAGE OR FOREIGN MATTER PRESENT

2. LOW VOLTAGE CHECKS. CHECK BATTERY GENERATOR

INDICATOR FOR LOW BATTERY CHARGE

3. BREECH MECHANISM

A. WITNESS MARK MUST ALIGN WHEN BREECH IS

CLOSED

B. FIRING MECHANISM, BLOCK ASSEMBLY AND FIRING

PIN MUST BE SERVICEABLE

C. PRIMER VENT MUST BE CLEAR

D. BREECH OPERATING HANDLE IS SECURELY LATCHED

FORWARD

4. PERFORM RAMMER RELIABILITY CHECK

5. RECOIL SYSTEM

A. CHECK INDEX PINS (1/8 in TO 3/4 in)

B. CHECK RECUPERATOR LOCKING NUT AND

CUTTER PIN

C. CHECK RECOIL LOCKING NUT

D. CHECK REPLENISHER PRESSURE GAGE (17 - 24 psi)

IF THE SOLDIER SCORED NO/GO, TELL HIM AND WRITE A BRIEF EXPLANATION IN THE SPACE BELOW.

CHECK ONE:

GO:

NO/GO: INSTRUCTOR'S INITIALS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TASK: CONDUCT INDIRECT FIRE MISSIONS USING AFCS 061-270-3560

CONDITIONS: A M109A6 HOWITZER MOVING OR EMPLACED AT A FIRING AREA OR POINT, AN OPERATIONAL AFCS, DIGITAL COMMUNICATIONS WITH THE POC, SECTION EQUIPMENT AND PERSONNEL, TM 9-2350-314-10/

PERFORMANCE MEASURES: GO NO/GO

1. CONFIRMS FIRE MISSION

2. TURNS ON HYDRAULIC CONTROL BOX

3. TURNS ON GUN DRIVE SERVOS

4. PRESS LOAD KEY, LOAD AMMUNITION

5. PRESS LAY KEY, LAY TUBE ON COMMANDED

DEFLECTION AND QUADRANT ON DISPLAY UNIT

6. ANNOUNCES FIRE MISSION DATA (NUMBER OR

ROUNDS, SHELL, PROPELLANT, AND FUZE

INFORMATION)

7. VERIFIES THAT LAY ON DU IS BACK LIGHT

ACTUAL/COMMAND DF, QE MATCH AND THE PROMPT

WARNING THE TUBE IS NOT IN LAY POSITION IS

GONE

8. PRESS SHOT KEY

9. VERIFY EXPENDED AMMUNITION

10. TURNS OFF SERVOS AND HYDRAULICS

 

MANUALLY INPUT DATA IN THE AFCS TO LAY A HOWITZER FOR DEFLECTION AND QUADRANT

1. SELECTS FIRE COMMANDS MENU

2. ENTERS COMMANDED DEFLECTION AND QUADRANT

3. PRESS LOAD KEY TO LOAD AMMUNITION

4. PRESS LAY KEY, LAY TUBE ON COMMANDED

DEFLECTION AND QUADRANT ON DISPLAY UNIT

5. COMMANDS END OF MISSION USING THE DISPLAY

UNIT

6. VERIFIES AMMUNITION INVENTORY

IF THE SOLDIER SCORED NO/GO, TELL HIM AND WRITE A BRIEF EXPLANATION IN THE SPACE BELOW.

CHECK ONE:

GO:

NO/GO INSTRUCTOR'S INITIALS

 

 

 

 

 

 

TASK: OPERATE/EXPLAIN THE COMPONENTS OF THE HYDRAULIC SYSTEM

CONDITIONS: A M109A6 HOWITZER, OCCUPATION PROCEDURES COMPLETED, PREPARED TO ACCEPT FIRE MISSIONS, SECTION EQUIPMENT AND PERSONNEL, AND TM 9-2350-314-10.

PERFORMANCE MEASURES: GO NO/GO

1. TURNS MASTER SWITCH TO "ON"

2. SETS ENGINE TO RUN AT 1000 - 1200 RPM

3. ENSURES COOLING FAN SWITCH IS IN AUTO-

MATIC POSITION

4. ENSURES HYDRAULIC WARM-UP SWITCH IS IN

THE AUTOMATIC POSITION

5. TURNS HYDRAULIC POWER SWITCH TO "ON"

6. CHECKS HYDRAULIC PRESSURE GAGE FOR

CORRECT OPERATING PRESSURE (SHUTS SYSTEM

DOWN IF INCORRECT PRESSURE READING)

7. SELECTS PROPER OPERATION OF CONTROLS AS

DIRECTED BY THE INSTRUCTOR

8. USES OVERRIDE SWITCH TO RETURN TO WITHIN

TRAVERSE LIMITS

NOTE: TELL SOLDIER TO TURN SYSTEM "OFF"

 

 

 

IF THE SOLDIER SCORED NO/GO, TELL HIM AND WRITE A BRIEF EXPLANATION IN THE SPACE BELOW.

CHECK ONE:

GO:

NO/GO INSTRUCTOR'S INITIALS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

c. Part III

TASK: Perform AFCS Confidence Check.

CONDITIONS: An M109A6 howitzer with an initialized AFCS, a movement order to a survey control point, and a survey control point with known data to a distant aiming point.

PERFORMANCE MEASURES GO NO-GO

1. Position howitzer within 1 meter of survey

control point toward distant aiming point. ____ _____

2. With the steerto fire area screen displayed:

a. Range scales should read less than 27 meters.

b. Compare the "position" data for easting, northing &

altitude with the data on the survey marker. Data

should be within the following tolerance (with ZUPTs

at 10 minute intervals): ____ _____

 

 

DISTANCE

 

HORIZONTAL CEP

ALTITUDE PE

TRAVELED (KM)

 

(METERS)

(+/- 1 METER)

 

 

RANGE VALUE ON

 

ALTITUDE VALUE ON

 

 

AFCS SCREEN

 

AFCS SCREEN

 

 

 

 

 

 

TOLERANCE:

 

50% 99%

50% 99%

0 - 27

 

18 47

10 39

Formula for calculating Horizontal CEP is:

Note: If data is within tolerance but not exact, do a navigation position update.

3. Presses arrive. ____ _____

4. Checks boresight of the pantel with M140

alignment device. ____ _____

5. Using the azimuth deflection knob align the

vertical hair line of the pantel on the distant

aiming point, levels the pitch and cross level

bubbles and checks alignment. ____ _____

6. Rotates counter reset knob on pantel until 3200

appears on the reset counter. ____ _____

7. Removes tube from the stowed position, installs

breech boresighting disc, and muzzle cross hairs

on tube. ____ ____

 

8. Using the boresighting disc align the tube on

the distant aiming point. ____ _____

Note: Primer vent hole may be used if boresighting disc is missing.

9. Levels pitch and cross level bubbles on pantel

mount and re-aligns vertical hair line on pantel

using the azimuth deflection knob. ____ _____

10. Using the auxiliary quadrant, levels the

elevation level vial. ____ _____

11. If fire mission screen is not already displayed

select fire commands menu from the setup and

information menu to display fire mission screen. ____ _____

12. Read the actual deflection & quadrant on the

AFCS and compare them with the deflection & quadrant

obtained in steps 9 & 10. The tolerance between the

readings should be +/- 2 mils. ____ _____

Note: Quadrant should also be checked with a pretested gunners quadrant. Reading should compare to +/- 2 mils

13. Selects display format from the setup and

information menu. ____ _____

14. Changes display form deflection to azimuth and

return to the fire mission menu. Reads the actual

azimuth. ____ _____

15. Compares the azimuth displayed on the AFCS with

the measured azimuth to the distant aiming point.

Azimuth should compare to +/- 2 mils. ____ _____

 

 

IF THE SOLDIER SCORED NO/GO, TELL HIM AND WRITE A BRIEF EXPLANATION IN THE SPACE BELOW.

CHECK ONE:

GO:

NO/GO INSTRUCTOR'S INITIALS