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IDM Index page.
a. Description. The mission data contained in the
3. AIR REQ key  Press. IDM is formatted to be consistent with the TACFIRE
Artillery Fire Direction Center (FDC) system and
4. Line (1-8)  Select mission number on which associated forward observer digital message devices
mission is to be entered. NEW key  Press. (DMD). Artillery mission command selection is initially
entered on the ARTY Mission Summary page
automatically as REQ. Upon receipt of the TACFIRE
5. MSN TYPE  Press appropriate key. FDC message-to-observer (MTO), the mission
command will automatically change to FIRE. A READY
6. As pages sequence, press appropriate key. command will be displayed if the Battery Computer
System (BCS) is online with TACFIRE. Target position
7. Air Mission Summary page  Review and (range and bearing from the helicopter) is automatically
change parameters as required. calculated. By pressing the TGT PSN (target position)
key, the operator can manually enter the UTM grid,
To execute a fire request, perform steps 8 and 9. range, bearing, and altitude of the target on subpages
if required.
8. On Air Mission Summary page, SEND key 
Press. The Artillery Request List stores two active artillery
missions and two preplanned mission requests on the
9. IDM switch  Press and repeat steps 1 Preplanned Mission List subpage. Accessing either
through 8 above for each net as required. active mission is accomplished by pressing the M1 or
M2 key on the ARTY REQ list page. To review a
To recall and send a stored mission, perform steps 10 preplanned mission, pressing the PPLN LIST key on
through 14. the Preplanned Mission List page will cause the
Preplanned Mission Summary page to display.
10. IDM switch  Press as required to display
IDM Index page. NOTE
11. AIR REQ key  Press. In order to store a preplanned mission, a
preplan request must be executed and
12. Desired mission (1-8) line number  Select. stored as a standard artillery preplan
request. Then the mission must be inserted
into preplan list.
13. R-1 key  Press to display Air Mission
Summary page. I n i t i a t i n g a new a r t i l l e r y m i s s i o n r e q u e s t i s
accomplished by pressing the NEW key of an available
14. On Air Mission Summary page, SEND key  mission number, selecting artillery mission type,
Press. following prompts through the subpages, reviewing
Summary page, and transmitting data.
NOTE
b. Types of artillery mission requests are as follows:
• Remote HELLFIRE (REMOTE HLFR) targe(t1 t)ypeN aEnWd sTtrGeTng twhh. erein the observer defines
mission request. The paging required for
a simplified request is depicted in fig. 4- (2) Known Point (KNPT TGT) wherein the
78. observer defines a point which is a location previously
4-157
TM 1-1520-248-10
identified and numbered, known both to the requestor
and to the artillery FDC. The requestor then provides
target type and strength.
(3) QUICK wherein the requestor enters only a
known point. All other data is known by the artillery
FDC.
(4) Preplanned (REQ PPLN) wherein the
observer provides type of fire request (either Final
Protective Fire (FPF) or Copperhead (CPHD) guided
munitions). Only one FPF can be preplanned at a time;
however, b o t h p r e p l a n n e d m i s s i o n s can be
Copperhead. The requestor then provides target
position and known point number.
(5) Copperhead (CPHD) wherein the target
position is defined as NEW or Known Point and point
number is provided to the firing element.
4-137. ARTILLERY FIRE REQUESTS.
There are three types of artillery fire requests 
preplanned, new, and Copperhead.
4-138. PREPLANNED FIRE REQUESTS.
To insert a preplanned fire request, proceed as
follows:
1. IDM switch  Press as required to display
IDM Index page.
2. ARTY REQ key  Press.
3. On line opposite mission to be replaced.
NEW key  Press.
4. REQ PPLN key  Press.
5. Mission type  Select either FPF or CPHD
as desired.
NOTE
If KNPT TGT is selected, entry of two-digit
KNPT number is required.
6. KNPT TGT or NEW TGT  Select as
appropriate.
7. ARTY Mission Summary page will appear 
Press SEND. Wait for preplanned MTO then
PULL
MAN
PULL
BKUP
BRT
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ONT
VSD HSD MMS COMM
PULL
MAN
PULL
BKUP
BRT
C
ONT
HSD MMS COMM
PULL
MAN
PULL
BKUP
BRT
C
ONT
　
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本文鏈接地址：OPERATOR’S MANUAL FOR ARMY OH-58D HELICOPTER 2(6)