HCO
What are the 4 colors for a 4 Battery Battalion?
Red, Black, Blue, Orange
MCRP 3-10E.4 6-13
What is the formula for Complimentary Angle of Site?
AOS * CSF
MCRP 3-10E.4 8-4
Probable Error is found in what table and columns?
Table Golf Columns 3-7
MCRP 3-10E.4 7-17
What are the two types of registrations?
Precision Reg and High Burst/Mean point of Impact
MCRP 3-10E.4 10-3
What three items can a chart be built on?
Grid sheet, Map, Photomap
MCRP 3-10E.4 6-1
What is the greatest amount of mils that can be found for Angle T?
3200
MCRP 3-10E.4 6-26
What does Angle of Site express to?
0.1 mils
MCRP 3-10E.4 8-3
What table is propellant temperatures found in?
Table E
MCRP 3-10E.4 7-12 or 7-13
What are the four questions the FDO will ask before conducting a registration?
(a) What are we going to do?
(b) Where are we going to do it?
(c) With whom?
(d) With what fire order considerations?
MCRP 3-10E.4 10-6
Who initiates a registration?
FDO
10-1
What are the methods of target location?
Polar Plot Method of Target Location
Grid Cooridnate Method
Shift from a Known Point Method
(MCRP 3-10E.4 6-24)
What is the formula for Quadrant Elevation?
Site + Elevation
MCRP 3-10E.4 10-10 or 8-2
What are the two parts of a Graphical Firing Table?
Rule and Cursor
MCRP 3-10E.4 7-25
Police of the Record of Fire is found on what page in the MCRP 3-10E.4?
9-15
Who establishes and maintain communication with higher?
Radiotelephone Operator (RATELO)
MCRP 3-10E.4 2-5
What is the HCO responsible for finding?
Chart Range
Chart Deflection
Angle T
MCRP 3-10E.4 6-26
What is the VCO Responsible for?
The VCO constructs the secondary firing chart checks chart data, plots initial target location on the situation map, and determines and announces site.
MCRP 3-10E.4 2-2
What are the Range K and Fuze K Lines on a GFT used for?
GFT Setting
MCRP 3-10E.4 7-29
How does the observer end the Impact phase of a registration?
RECORD AS REGISTRATION POINT (announces the number of the registration point), TIME REPEAT
MCRP 3-10E.4 10-11
What are the factors causing nonstandard velocities?
Velocity Trends, Ammo Lots, Tolerances in new weapons, Tube wear, Nonuniform ramming, Rotating Bands, Propellant Temp, Moisture in prop, position of prop in chamber, proj weight, coppering, prop residue, tube conditioning, tube memory and jump.
MCRP 3-10E.4 Chapter 3
What are the tolerances in chart data?
+/- 30 Meters in Range
+/- 3 Mils in Deflection
+/- 30 Mils in Angle T
MCRP 3-10E.4 6-28
What table and column does Comp Site Factor come from?
Table Golf column 12/13
MCRP 3-10E.4 8-4
_______ the distance measured from the muzzle to the target on the surface of a sphere concentric with the earth.
Range
MCRP 3-10E.4 7-12
What is the formula for finding a gft deflection correction?
Adj Deflection - Chart Deflection = Total DF Corr
Total DF Corr - Drift @ adj elevation = GFT DF Corr
MCRP 3-10E.4 10-49
When does an HCO reorient a target grid if the target is moving?
100 Mil change
MCRP 3-10E.4 6-28