FIRE
DIRECTION OFFICER AND CHIEF COMPUTER CHECKLIST
Ref: ST 6-40-2 Jan 95, version 10.022
1. CONDUCT THE FOLLOWING CHECKS OF THE LCU/BCS:
SYS; SET UP
_____ Correct MET in use. (S,1 or 2)
_____ ATP field blank, if not authorized for use.
_____ Ensure correct TGT Block is specified.
SPRT; MAP
_____ Verify long coordinates for mapmod correctly entered.
_____ Verify correct grid zone and spheroid are entered.
AFU; UPDATE
_____ CORD: graphically check COB and ALT.
_____ AZ: verify that correct azimuth of fire is entered and verified w/ xo.
_____ MAXRNG: enter max range of weapon system ( in 10s of meters).
_____ MINRNG: enter min range of weapon system. (in 10s of meters)
_____ PTEMP: ensure current powder temperature is entered and updated as requires.
_____ Verify grid zone and sphere.
_____ Verify ORSTA A and B if lay was conducted with two aiming circles.
BCS; PIECES (MUST VERIFY DATA BEFORE IT IS EXECUTED)
_____ COORD: correct grid coordinates entered from advance partymans BUCS
_____ POLAR: data entered correctly based on orienting station lay data (especially (azimuth).
_____ GRP: correct platoon locations annotated (R,L,C).
_____ OK: correct howitzer status reflected.
AFU; AMMO
_____ PROJ: all required projectiles entered correctly.
_____ PROJ: correct projectile lot designations entered.
_____ PROJ: verify projectile square weights w/ xo.
_____ FZES: all required fuzes entered correctly.
_____ Propellant: insure you enter correct prop. and lot.
BCS; MVVSUM
_____ Verify that the correct VE's are stored for each howitzer.
_____ Insure that the correct Proj family is used, propellant type and chg grp.
AFU; REGISTRATION FILE
_____ All registrations from previous positions deleted.
FM; OBCO
_____ Enter observer locations and ALT.
_____ Insure OBS # is entered correctly.
_____ Insure GLLDCO; CLDHT, and Visiability are entered ( when required)
MET; CM
_____ Insure ID line is correct
_____ Insure MET is entered correctly
_____ Check MET;CM for validity against tolerances outlined in ST-6-40
TGT/KNPT File and current MSN Buffer 4 &5
_____ Insure TGT/KNPT file are updated/deleted constantly using the FM;CFF
_____ Insure PRI TGTs, FPFs and CPH PRI TGTs are updated upon registrations, and receipt of METs.
2. CONDUCT THE FOLLOWING CHECKS OF THE BUCS: (NOTE: BUCS FORMATS CLOSELY PARALLEL THOSE OF THE BCS).
AFU INDEX
_____ Battery center is correct.
_____ Orienting Station is correct.
_____ Azimuth of fire is correct.
_____ PTEMP current.
_____ Piece locations are correct.
_____ All required projectiles and fuzes entered.
_____ All registration residuals from previous positions deleted.
_____ Correct VE's stored.
OBSERVER FILE
_____ All observer locations correctly entered.
SUPPORT FILE
_____ Correct MAPMOD data entered.
_____ Verify the data for the MET in use.
TARGET/KNOWN POINT FILE
_____ All targets are labeled correctly.
_____ All known points entered and labeled correctly (target and known point numbers must match the BCS/LCU).
3. CONDUCT THE FOLLOWING CHECKS OF THE FIRING CHARTS:
_____ Verify that grid lines are labeled correctly covering your zone of operation.
_____ Battery location correctly plotted.
_____ Battery deflection indices properly plotted and labled.
_____ Observers plotted correctly.
_____ Observer azimuth indices plotted correctly plotted and labled.
_____ Known points plotted correctly with north indices correctlydrawn.
_____ MSD plotted correctly (close support firing).
_____ Q-36 plotted correctly with AZ indices
_____ Insure RFA's, CFLs, RFLs, etc. are plotted correctly.
4. ENSURE THAT THE FOLLOWING SAFETY ACTIONS ARE ACCOMPLISHED PRIOR TO FIRING:
_____ Obtain XO's min QE for all azimuths of fire.
_____ Firing data check conducted between LCU/BCS, BUCS, and firing charts.
_____ Verify TGPC's. Ensure they are sent to the guns. (for use if firing manual computaions or battery center data is being used to fire)
_____ Verify GFT setting.
_____ Construct safety T's for all charges, shells, and fuzes.
_____ Safety data checked by an independent source.
_____ BC or XO checks battery location in LCU/BCS, BUCS and firing charts.
_____ Safety T's mass produced, distributed and double checked (old Ts removed from firing PT).
_____ Communications established with battalion/observer.
5. ENSURE THAT THE FOLLOWING SAFETY PROCEDURES ARE FOLLOWED DURING FIRING:
_____ All firing data verified as safe before sent to howitzers.
_____ Update all safety T's after registrations, new MET's, or other significant changes in the GFT setting.
_____ Observe all applicable safety precautions in WPN TM.
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