23. Artillery / Mortar Call For Fire

Question 1

A call for fire is a concise message ____ by the ____. It contains all the information needed by the FDC to determine the method of target attack.

Answer 1

prepared by the observer

Question 2

A standard is a part of the CFF that is what?

Answer 2

Understood and usually does not have to be transmitted

Question 3

OT Direction Elevation Ground distance Numbers 50, 490, 800, 3000, 6300, 6350

Answer 3

Grid mills Meters MSL Meters five-zero, four nine zero, eight hundred, three-thousand, six three hundred, six three fifty.

Question 4

What is a GTL and what is it expressed in?

Answer 4

Line from gun to target (in mils Grid)

Question 5

Observer Target Line

Answer 5

Line from observer to TGT (mils Grid) round to the nearest tenth

Question 6

Angle T

Answer 6

Is the angle formed by the intersection of the OTL and GTL Sent to observer when angle T is 500mils or greater (or requested) Expressed to the nearest 100 mils

Question 7

If angle T is 580mils how would it be represented ?

Answer 7

600 six hundred

Question 8

OT Direction - 6677 Deviation Adjustment - 316 Vertical Adjustments -

Answer 8

OT - 6680 Left 320 (30meters adjust minimum) Sent to the nearest 5meters (35meters adjust minimum)

Question 9

OT Factor

Answer 9

Range to target ____________ = OT Factor 1000

Question 10

OT of — 2832 How is 800 meters expressed ?

Answer 10

2830 (2800) Answer - 2.8 Expressed as OT factor 3 .8

Question 11

How do you measure from a reference point to your tgt using a mils redicule?

Answer 11

RALS

Question 12

Hand Measurement meathod from aids to tgt

Answer 12

Question 13

Formula for flash to bang

Answer 13

sound travels at 340.29meters per second

Flash to bang(seconds x 350 = distance in meters

Question 14

How is the Call For Fire Broken up in transmissions?

Answer 14

Three transmitions

1. Observer ID /Warning Order
2. Target Location
3. Target description/ meathod engagment/ method of fire and control

Question 15

Types of missions

Answer 15

Adjust fire

Fire for effect

Suppress

Immidiate suppression / smoke (sent in 1 transmission)

SEAD (USMC specific)

Question 16

Methods of target location

Answer 16

Grid- standard to give in second transmission

Polar plot

Shift from known point

Question 17

Target description

Answer 17

Number, Type, Degree protection

Linear-lenth and width in meters (atitude in mils (nearest 100) using the right 1/2 of protractor

Circle- radius in meters from centroid grid

Question 18

What is danger close for artillary

Answer 18

600meters

Question 19

Spotting sequence

Answer 19

HRD

Height

Range

Deviation

Question 20

Height of burt spotting

Question 21

range spotting

Answer 21

Question 22

sequence of spotting

Answer 22

DRH

devistion, range, height

Question 23

deviation corections

T factor 3

Answer 23

width = range x mils

1000

WERM

T factor x mils

observed 50 right

(Left 150)

Question 24

creeping fire should be what kind of adjustments

Answer 24

100m or less

Question 25

Height of burst corrections are given how?

Up/ Down corrections?

illumination corrections?

Answer 25

corrections are given to the nearest 5 meters

Greater than 35 meters, sent to the nearest 5 meters

left/right/add/drop- given in 200meter increments

Up/down given in 50m increments

Question 26

Short 100m after fire for effect, what can i say?

Answer 26

add 100, repeat, over.

Question 27

cease loading

check fire

Answer 27

used during firing of two or more rounds guns sections may fire loaded rounds.

stop all firing immediatley