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


APPENDIX H

AFCS BAT AND UTE MESSAGES

All messages in this section are arranged with respect to the message type or function being performed.

1. Be Advised That (BAT) message:

This message is used to inform a subscriber of information concerning some action by the AFCS. All messages of this type begin with the text:

"BAT-DD:HH:MM (day:hour:minute)-

HOW;MOVE:

"BAT-DD:HH:MM- MOVE ORDER "LOCATION OF KNOW POINT DATA" PENDED DUE TO NAVIGATION ALIGNMENT IN PROGRESS."

HOW;MOVE sent while MAPS or IR/NS is in an alignment mode. Upon completion of alignment, move will be activated.

"BAT-DD:HH:MM - MOVE ORDER "LOCATION OF KNOW POINT DATA" PENDED DUE TO ACTIVE MISSION TARGET ID "TARGET NUMBER."

HOW;MOVE sent while AFCS is in a fire mission. Upon EOM, move will be activated.

"BAT-DD:HH:MM - MOVING TO LOCATION "LOCATION OF NEW POINT" WHICH IS OUTSIDE OF CURRENT MAP."

HOW;MOVE sent with spheroid code which differs from that in the MAPMOD.

"BAT-DD:HH:MM - BCS COMPUTED PRIORITY TARGET ID "TARGET NUMBER" HAS BEEN DELETED."

BCS computed data for a priority target and stored the data in AFCS. Once the howitzer moves, this data is no longer valid.

HOW: OBSR:

"BAT-DD:HH:MM - OBSERVER "LOGICAL NAME OF OBSERVER" HAS BEEN DELINKED UPON RECEIPT OF RESTRICTIONS FOR OBSERVER."

HOW;OBSR sent and the logical name of the observer does not match that of the HOW;SBT, then a delink occurs.

"BAT-DD:HH:MM - OBSERVER "LOGICAL NAME OF OBSERVER" HAS BEEN DELINKED UPON EXPIRATION OF LINK TIME."

HOW;OBSR sent which specified an ending data and time group. A delink has occurred due to expiration of the specified data and time.

 

HOW;SBT:

"BAT-DD:HH:MM- SUBSCRIBER FILE UPDATE PENDED DUE TO ACTIVE MISSION TARGET ID "TARGET NUMBER ".

HOW;SBT sent during a fire mission. Upon EOM HOW;SBT will be processed.

"BAT-DD:HH:MM - SUBSCRIBER FILE UPDATED WITH AFCS UNDER CHECKFIRE ID "TARGET NUMBER".

HOW;SBT sent while AFCS is in a checkfire status.

FM:SUBS (EOM&SURV for DMD device):

"BAT-DD:HH:MM - EOM "TARGET NUMBER" BDA IS "BDA GIVEN BY OBSERVER".

EOM sent by linked observer and observer has given Battle Damage Assessment [BDA].

FM;RFAF (HOW;MSN):

"BAT-DD:HH:MM - STORED TOT TARGET "STORED TARGET NUMBER" ACTIVATED."

Activation by the AFCS of a stored time on target mission.

"BAT-DD:HH:MM - UNEXPECTED SHOT OUT DETECTED."

The AFCS operator has not followed the firing sequence prompted by the AFCS.

CHECKFIRE OR CANCEL CHECKFIRE:

"BAT-DD:HH:MM - ALREADY UNDER CHECKFIRE WITH ID "TARGET NUMBER".

A checkfire has been sent to AFCS which is already under checkfire.

"BAT-DD:HH:MM - ENTERED CHECKFIRE STATUS WITH ID "TARGET NUMBER" WHEN NO ACTIVE MISSION."

A checkfire has been sent to AFCS, which is not in a mission, with a target number.

 

"BAT-DD:HH:MM - ENTERED CHECKFIRE STATUS WITH ID "TARGET NUMBER" WHEN ACTIVE TARGET ID "ACTIVE TARGET NUMBER".

a checkfire by target number has been sent to AFCS with an active mission and the target numbers do not match.

"BAT-DD:HH:MM - ENTERED CHECKFIRE STATUS WITH ID "TARGET NUMBER".

a checkfire by target number has been sent to AFCS and processed.

STORE TO AFCS TARGET FILE:

"BAT-DD:HH:MM - TARGET ID "TARGET NUMBER" STORED.

PTM sent to DMD type device which has target write permission from HOW;OBSR message.

"BAT-DD:HH:MM - a NON PRIORITY TARGET WAS DELETED WHICH MATCHED THE STORE PRIORITY TARGET ID "TARGET NUMBER".

a request to delete a target from the AFCS target storage file.

"BAT-DD:HH:MM - PRI TARGET "TARGET NUMBER" STORED."

PTM sent to DMD type device which has target write permission from HOW;OBSR message.

DELETE FROM AFCS TARGET FILE:

"BAT-DD:HH:MM - TARGET ID "TARGET NUMBER" DELETED."

PTM sent to a DMD type device, requesting deletion of a stored target. Device has been given target write permission from HOW;OBSR message.

"BAT-DD:HH:MM - ALL NON PRI TGTS DELETED."

(PTM sent to a DMD type device, requesting deletion of all stored targets. Device has been given target write permission from HOW;OBSR message).

MAPMOD:

"BAT-DD:HH:MM - BCS COMPUTED STORED PRIORITY TARGET ID "STORED PRI TARGET NUMBER" WAS DELETED DUE TO CHANGE IN MAP ZONE OR SPHEROID."

BCS transmitted a MAPMOD which changes the zone or spheroid code of AFCS stored priority target computed by BCS.

"BAT-DD:HH:MM - MAP MODIFICATION COMPLETE."

BCS transmitted a MAPMOD to AFCS.

2. Unable to Execute (UTE) Messages:

"UTE-DD:HH:MM - (day:hour:minute) -

"UTE-DD:HH:MM -

CEASE LOAD REQUEST:

"UTE-DD:HH:MM - CEASE LOAD "TARGET NUMBER" DUE TO AFCS UNDER CHECKFIRE."

Command to cease load sent to AFCS which AFCS is under checkfire.

"UTE-DD:HH:MM - CEASE LOAD "TARGET NUMBER" DUE TO NO ACTIVE MISSION."

Command to cease load sent while AFCS no in mission.

"UTE-DD:HH:MM - CEASE LOAD "TARGET NUMBER" DUE TO ACTIVE MISSION TARGET ID "TARGET NUMBER".

Command to cease load sent with target number different from active mission in AFCS.

FIRE ON TARGET REQUEST (FIRE):

"UTE-DD:HH:MM - FIRE REQUEST "TARGET NUMBER" DUE TO AFCS UNDER CHECKFIRE "TARGET NUMBER".

Request for fire on target sent while AFCS under checkfire.

"UTE-DD:HH:MM - FIRE REQUEST "TARGET NUMBER" DUE TO ACTIVE MISSION "TARGET NUMBER" NOT AMC."

Request to fire sent when method of control is not AMC.

"UTE-DD:HH:MM - FIRE REQUEST "TARGET NUMBER" DUE TO PRIORITY ACTIVE MISSION TARGET ID "TARGET NUMBER."

Request to fire on target number while AFCS is processing a priority fire mission (FPF, Copperhead).

"UTE-DD:HH:MM - FIRE REQUEST OF STORED TARGET ID "TARGET NUMBER" DUE TO ACTIVE MISSION TARGET ID "TARGET NUMBER."

Request to fire a non priority stored target while AFCS is processing a fire mission and the request to fire does not match active mission nor priority stored target.

 

FIRE MISSION (HOW;MSN):

"UTE-DD:HH:MM - FIRE REQUEST "TARGET NUMBER" DUE TO TARGET NOT STORED IN AFCS."

Request to fire on target number which is not stored in AFCS files.

"UTE-DD:HH:MM - HOW;MSN REQUEST TARGET ID "TARGET NUMBER" DUE TO AFCS UNDER CHECKFIRE - ID "TARGET NUMBER".

Request to fire sent while AFCS under Checkfire.

"UTE-DD:HH:MM - HOW;MSN REQUEST TARGET ID "TARGET NUMBER" DUE TO ACTIVE PRIORITY MISSION TARGET ID "TARGET NUMBER."

Request to fire sent while AFCS processing priority mission.

"UTE-DD:HH:MM - HOW;MSN REQUEST TARGET ID "TARGET NUMBER" DUE TO ACTIVE MISSION TARGET ID "TARGET NUMBER."

Request to fire sent, which is not a priority mission and target number sent does not match active mission.

"UTE-DD:HH:MM - HOW;MSN REQUEST TARGET ID "TARGET NUMBER" DUE TO LAS MISSION REQUEST FOR THAT TARGET NOT COMPLETE."

If the AFCS is not awaiting EOM or continuation of mission (as in subsequent corrections then above UTE is sent. An example would be if the AFCS is waiting for the howitzer COS to depress the shot key.

HOWITZER MASK DATA (AFU;MASK):

"UTE-DD:HH:MM - MASK UPDATE DUE TO OVERLAPPING SEGMENTS IN DEFINITION."

The AFCS has request its last reported mask data from the BCS and the left and right azimuth limits overlap.

REQUEST FOR DATA (HOW;REQUEST):

"UTE-DD:HH:MM - SEND TARGET ID "TARGET NUMBER" DUE TO NOT STORED IN AFCS - TARGETS IN AFCS "PRIORITY TARGET NUMBER", "STORED TARGET NUMBER(S)."

a HOW;REQUEST sent requesting a specific target number but, that target number is not stored in the AFCS. The last portion of the UTE message will list the targets stored in the AFCS.

"UTE-DD:HH:MM - SEND ALL TARGETS DUE TO NO TARGETS ARE STORED IN AFCS."

a HOW;REQUEST sent requesting all targets in AFCS target file because there are none in the AFCS target file.

FIRE COMMANDS (FM;COMNDS):

"UTE-DD:HH:MM - FM;COMNDS TARGET ID "TARGET NUMBER" AFCS HAS NOT REPORTED STATIONARY STATUS."

BCS has computed data to send to AFCS however, the AFCS has not reported its current location.

"UTE-DD:HH:MM - FM;COMNDS TARGET ID "TARGET NUMBER" HAS INSUFFICIENT DATA IN THE REQUEST."

BCS has computed data and transmitted it to AFCS however, the howitzer has not been identified in the FU field of the FM:COMNDS message.

"UTE-DD:HH:MM - FM;COMNDS TARGET ID "TARGET NUMBER" DUE TO ACTIVE PRIORITY MISSION TARGET ID "TARGET NUMBER" IN PROGRESS."

BCS has computed data and transmitted it to AFCS which is currently processing a priority target.

"UTE-DD:HH:MM - FM;COMNDS TARGET ID "TARGET NUMBER" DUE TO LAST MISSION REQUEST FOR THAT TARGET NOT COMPLETE."

BCS has sent FM:COMNDS requesting that AFCS to process however the AFCS is not a state with which it can process the mission. The howitzer COS has not depressed the "SHOT" and "ROUNDS COMPLETE" when prompted. The AFCS must be at awaiting end of mission or continuation of mission to process anything other than a priority mission.

END OF MISSION COMMAND (FM;EOM):

"UTE-DD:HH:MM - EOM "TARGET NUMBER" DUE TO ACTIVE MISSION TARGET ID "TARGET NUMBER."

a request to EOM sent to AFCS and the requested EOM target number does not match the active mission.

"UTE-DD:HH:MM - EOM "TARGET NUMBER" DUE TO NO ACTIVE MISSION."

a request to EOM sent to the AFCS has no active mission.

 

FORWARD OBSERVER COMMAND MESSAGE (FOCMD):

FIRE:

"UTE-DD:HH:MM - FIRE TGT IS IN CHECKFIRE."

a request to fire target number is sent to AFCS and AFCS is in a checkfire status.

"UTE-DD:HH:MM - FIRE TGT IS NOT AMC MISSION."

a request to fire target number is sent to AFCS however, the active mission is not an "at my command" method of control.

"UTE-DD:HH:MM - FIRE TARGET IS BUSY PRI MSN."

a request to fire target number is sent to AFCS however, the AFCS is processing a priority fire mission.

"UTE-DD:HH:MM - FIRE BUSY WITH OTHER MSN."

a request to fire target number is sent to AFCS however, the target number does not match the current active mission.

"UTE-DD:HH:MM - FIRE TGT NOT IN TGT FILE."

a request to fire target number is not in the AFCS target file.

DELETE TARGET:

BCS Version - "UTE-DD:HH:MM - DELETE TARGET ID "TARGET NUMBER" DUE TO NO WRITE TARGET FILE PERMISSION."

DMD Version - "UTE-DD:HH:MM - NO TGT DELETE PERMISSION."

a request to delete a target from AFCS target storage file is received however, the HOW;OBSR did not allow target storage permission.

BCS Version - "UTE-DD:HH:MM - DELETE TARGET ID "TARGET NUMBER" DUE TO NOT STORED IN AFCS - TARGET IN AFCS - "STORED PRIORITY TARGET NUMBER AND STORED TARGET NUMBER(S)."

DMD Version - "UTE-DD:HH:MM - DELETE "TARGET NUMBER" NOT STORED."

a request to delete target from AFCS target storage file is received however, the target number does not match target number(s) in file.

"Linked Observer Messages (HOW;OBSR):

"UTE-DD:HH:MM - ILLEGAL PROJECTILE / FUZE COMBINATION IN "PHASE" OF THE HOW;OBSR RESTRICTIONS."

HOW;OBSR sent with illegal projectile / fuze combination in SHAJ: or SHEF:.

The following messages are sent to the following devices, TFDMD, FIST DMD and ATHS:

FIRE REQUEST (FR;GRID):

"UTE-DD:HH:MM - COORD EXPANSION FAILURE."

a request for fire has been sent in short coordinates and either the observer failed to specify the use of "eastern" grid zone or the map model does not cover the requested area.

"UTE-DD:HH:MM - NO TARGET ID (TARGET NUMBER) AVAILABLE."

The AFCS cannot process the fire request due to all target numbers assigned by the HOW;OBSR message have been exhausted.

"UTE-DD:HH:MM - NOT ADJ PHASE PERMISSION."

The linked observer was not given adjust fire authority on the HOW:OBSR.

"UTE-DD:HH:MM - ALLOWED SH/FZ VIOLATION."

Linked observer requested an unauthorized shell / fuze combination.

"UTE-DD:HH:MM - FR;GRID IS IN CHECKFIRE."

a fire mission is sent while the AFCS in under checkfire.

"UTE-DD:HH:MM - TARGET ID (TARGET NUMBER)MUST BE GIVEN."

If the AFCS is in an active mission then the target number for that mission must be sent for any further processing.

"UTE-DD:HH:MM - BUSY WITH OTHER MISSION."

a request for fire is received, with a target number, however the target number does not match the current active mission.

"UTE-DD:HH:MM - BUSY LAST REQ FOR "TARGET NUMBER."

If the AFCS is not at the awaiting continuation of mission or end of mission state, then it will not process any other mission except priority.

 

"UTE-DD:HH:MM - NO ASSIGN PRI MISSION."

The linked observer does not have target storage permission.

"UTE-DD:HH:MM - PRI TGT ALREADY ASSIGNED."

a priority target already exists at the AFCS. This may have been assigned by the BCS or previously assigned by the linked observer. In any case the AFCS may only have one priority target.

SUBSEQUENT ADJUSTMENT (SUBQ ADJ):

"UTE-DD:HH:MM - SA EOM / EOM RAT NOT VALID."

The linked observer has attempted to end of mission or end of mission record as target with a subsequent adjust format.

"UTE-DD:HH:MM - SA IS IN CHECKFIRE."

The AFCS is in a checkfire state and any subsequent adjustment will not be processed.

"UTE-DD:HH:MM - SA "TARGET NUMBER" DUE TO NO MSN."

The linked observer has attempted subsequent adjustment on a non active mission.

"UTE-DD:HH:MM - SA BUSY WITH ANOTHER MISSION."

The linked observer has attempted subsequent adjustment with a target number which matches the current active mission however, the AFCS is not at an awaiting continuation of mission or end of mission state.

END OF MISSION AND SURVEILLANCE (EOM&SURV):

"UTE-DD:HH:MM - EOM TARGET ID REQUIRED."

The linked observer has attempted to end a mission without the active target number.

"UTE-DD:HH:MM - EOM "TARGET NUMBER" HAS NO ACTIVE MISSION."

The linked observer has requested end of mission on a target which is not active in the AFCS.

"UTE-DD:HH:MM - EOM "TARGET NUMBER" AS WRONG MISSION."

The linked observer has requested end of mission with the incorrect target number.

QUICK RESPONSE FIRE REQUEST (FR;QUICK):

 

 

DELETE:

"UTE-DD:HH:MM - DELETE TARGET ID NEEDED:"

The linked observer has requested the deletion of a target but no target number is given.

FIRE:

"UTE-DD:HH:MM - FIRE TGT IS IN CHECKFIRE."

a request to fire target number is received however, the AFCS is in a checkfire status.

"UTE-DD:HH:MM - FIRE TGT AS BUSY LAST REQ."

a request to fire target number is received and the AFCS is not at a AMC status.

"UTE-DD:HH:MM - FIRE TGT AS BUSY PRI MSN."

a priority mission is currently active and a request to fire stored target is received.

"UTE-DD:HH:MM - FIRE BUSY WITH OTHER MSN."

The request to fire target number does not match the current mission.

"UTE-DD:HH:MM - FIRE TGT NOT IN TGT FILE."

The requested target is not in target file.

OPERATOR ABORTED FIRE REQUEST:

BCS Version: "UTE-DD:HH:MM - AFCS OPERATOR ABORTED ACTIVE MISSION TARGET ID "TARGET NUMBER."

The howitzer COS aborted fire mission. This message is sent only to BCS.

DMD Version: "UTE-DD:HH:MM - OPERATOR ABORT ID "TARGET NUMBER."

The howitzer COS aborted fire mission. This message is sent to DMD type devices.

TIME ON TARGET (TOT) MISSIONS:

"UTE-DD:HH:MM - STORED TOT REQUEST TARGET ID "TARGET NUMBER" DUE TO AFCS UNDER CHECKFIRE - ID "TARGET NUMBER."

a stored TOT mission was activated automatically by AFCS however, the AFCS is under checkfire.

"UTE-DD:HH:MM - STORED TOT REQUEST TARGET ID "TARGET NUMBER" DUE TO ACTIVE PRIORITY MISSION TARGET ID "TARGET NUMBER."

a stored TOT mission was activated automatically by AFCS however, the AFCS is processing a priority mission (I.e., Copperhead or FPF).

"UTE-DD:HH:MM - STORED TOT REQUEST TARGET ID "TARGET ID "TARGET NUMBER" DUE TO ACTIVE MISSION TARGET ID "TARGET NUMBER."

a stored TOT mission was activated automatically by AFCS however, the AFCS is processing a previously requested fire mission.

"UTE-DD:HH:MM - STORED TOT REQUEST TARGET ID "TARGET NUMBER" DUE TO LAST MISSION REQUEST FOR THAT TARGET NOT COMPLETE."

a stored TOT mission was activated automatically by AFCS and the TOT target number matched the current active mission. If the mission isn't awaiting end of mission or continuation of mission then wit will be UTEed.

CHECKFILE OR CANCELCHECKFIRE:

"UTE-DD:HH:MM - CANCEL CHECKFIRE ID "TARGET NUMBER" SINCE NO CHECKFIRE EXISTS."

a cancel checkfire by target number was sent to AFCS which was not in checkfire.

"UTE-DD:HH:MM - CANCEL CHECKFIRE ID "TARGET NUMBER" DUE TO NO MATCH WITH CHECKFIRE ID "TARGET NUMBER."

a cancel checkfire by target number was sent to AFCS however, the target number did not match. NOTE: a CANALL request will always match. Caution should be used when using CANALL as an undesired cancel checkfire may be sent.

"UTE-DD:HH:MM - CHECKFIRE REQUEST "TARGET NUMBER" DUE TO AFCS UNDER CHECKFIRE - ID "TARGET NUMBER"."

a request to checkfire by target number is sent to AFCS however, AFCS is already in checkfire.

TARGET FILE STORAGE AND DELETION. The following messages apply to BCS and DMD type devices when a link has occurred. (NOTE: Only one subscriber may have target storage permission, either the BCS or DMD type device).

BCS Version: "UTE-DD:HH:MM - STORE TARGET ID "TARGET NUMBER" DUE TO NOT STORE TARGET FILE PERMISSION."

 

 

 

DMD Version: "UTE-DD:HH:MM - NO TARGET STORE PERMISSION."

An attempt to store a target in the AFCS file however, target storage permission was not given in the HOW;OBSR.

BCS Version: "UTE-DD:HH:MM - STORE TARGET ID "TARGET NUMBER" DUE TO CONFLICT WITH STORED PRIORITY TARGET ID "STORED TARGET NUMBER."

DMD Version: "UTE-DD:HH:MM - TARGET ASSIGNED AS PRI."

An attempt to store a priority target by target number and the request matches the priority target already in file.

BCS Version: "UTE-DD:HH:MM - STORE TARGET ID "TARGET NUMBER" DUE TO TARGET LIST FULL."

DMD Version: "UTE-DD:HH:MM - TARGET LIST ALREADY FULL."

An attempt to store target however, the AFCS target file is full.

BCS Version: "UTE-DD:HH:MM - STORE PRIORITY TARGET ID "TARGET NUMBER" DUE TO NO WRITE TARGET FILE PERMISSION."

DMD Version: "UTE-DD:HH:MM - NO ASSIGN PRI PERMISSION."

An attempt to store a priority target however, target storage permission was not given in the HOW;OBSR.

BCS Version: "UTE-DD:HH:MM - STORE PRIORITY TARGET IS "TARGET NUMBER" DUE TO EXISTING STORED PRIORITY TARGET ID "TARGET NUMBER."

DMD Version: "UTE-DD:HH:MM - PRI TARGET ALREADY ASSIGNED.

An attempt to store a priority target however, a priority target already exists.

DELETE ALL DELALL):

BCS Version: "UTE-DD:HH:MM - DELETE ALL TARGETS DUE TO NO WRITE TARGET FILE PERMISSION."

DMD Version: "UTE-DD:HH:MM - NO TGT DELETE PERMISSION."

a request to delete all targets from AFCS target storage file is received however, the HOW;OBSR did not allow target storage permission.

MAP MODIFICATION INFLUENCE ON STORED TARGETS:

"UTE-DD:HH:MM - STORED TARGET CANNOT BE CONVERTED TO THE CURRENT MAP MOD."

a request to fire a target from the AFCS target storage file is received however, the target cannot be converted based on current map model in data base.

AMMUNITION SELECTION:

"UTE-DD:HH:MM - SPECIFIED PROJECTILE LOT "PROJECTILE LOT" NOT IN AFCS INVENTORY."

a fire mission message is sent to AFCS and the specified projectile is not in file.

"UTE-DD:HH:MM - SPECIFIED PROPELLANT LOT "PROPELLANT LOT" NOT IN AFCS INVENTORY."

a fire mission message is sent to AFCS and the specified propellant is not in file.

"UTE-DD:HH:MM - SPECIFIED FUZE "FUZE MODEL" NOT IN AFCS INVENTORY."

a fire mission message is sent to AFCS and the requested elements do not match what is in the AFCS ammunition inventory.

"UTE-DD:HH:MM - ILLEGAL PROJECTILE, PROPELLANT, FUZE COMBINATION."

a fire mission message is sent to the AFCS and the request contains illegal combinations for ammunition, propellant, and fuze.

"UTE-DD:HH:MM - INSUFFICIENT AMMUNITION."

a fire mission message is sent to the AFCS and the howitzer COS was prompted that the requested quantity of ammunition is not on hand. If the COS denies the mission for the above reason, then the above UTE is sent to the BCS.

When the AFCS receives a fire mission message and more than one of the specified elements is not in file, one of the following UTE messages is sent:

"UTE-DD:HH:MM - SPECIFIED PROJECTILE LOT "PROJECTILE LOT" PROPELLANT LOT "PROPELLANT LOT" AND FUZE MODEL "

FUZE MODEL NOT IN AFCS INVENTORY."

"UTE-DD:HH:MM - SPECIFIED PROJECTILE LOT "PROJECTILE LOT" AND PROPELLANT LOT "PROPELLANT LOT" NOT IN AFCS INVENTORY."

"UTE-DD:HH:MM - SPECIFIED PROJECTILE LOT "PROJECTILE LOT" AND FUZE MODEL "FUZE MODEL" NOT IN AFCS INVENTORY."

"UTE-DD:HH:MM - SPECIFIED PROPELLANT LOT "PROPELLANT LOT" AND FUZE MODEL "FUZE MODEL" NOT IN AFCS INVENTORY."

PROPELLANT SECTION:

"UTE-DD:HH:MM - PROPELLANT INSUFFICIENT."

a fire mission message is sent to the AFCS and the maximum range of the propellant is compared to the range to the target. If the target range exceeds 85% of that for the propellant (90% for high angel fire) the above UTE is sent to the BCS.

FUZE SELECTION:

"UTE-DD:HH:MM - BECAUSE "FUZE TYPE" NOT IN INVENTORY."

a fire mission message is sent to the AFCS however, no legal fuze is found.

"UTE-DD:HH:MM - NO LEGAL AMMUNITION COMBINATIONS INVENTORY."

a fire mission message is sent tot he AFCS however, the AFCS found no legal combinations for projectile, powder, and fuze.

CHARGE SELECTION:

"UTE-DD:HH:MM - EXCESSIVE RANGE TO TARGET."

a fire mission message is sent to AFCS and the target range exceeded 85% of the range of the powder model (90% for high angle fire).