Figure 4 - P-8250067

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INTERCEPT PROCEDURES TEXTBOOK
Figure 4
Accomplishing the DT Objectives
1. Determine TA. It should be obvious at this point that this number is extremely important.
With a bogey on the scope, use the cut→AO = TA formula. If contact is lost, use the BR→BB =
TA formula.
2. Determine the correct displacement range. With what rounds to 20º TA or less, displace
the bogey at 10 nm. With what rounds 25º TA or more, displace the bogey at 8 nm. Note that
with 20º TA, the formula for calculating LD gives us 20,000' at 10 nm and that the same is true
for 25º TA at 8 nm.
3. Determine the correct displacement point (AO), left or right of the fighter's nose in
accordance with the calculated TA.
4. Command pilot to use a hard turn in the direction necessary to place the bogey on the
displacement point. The command would be "Right (or Left) hard for displacement."
The goal in determining proper displacement points is to place all amounts of target aspect
the same number of degrees from collision bearing so that the resulting drift will be similar for
all intercepts.
Displacement points at VT-86 will place the bogey
approximately 25º from collision bearing.
Example: If the TA is 25ºL, the collision bearing is 25ºR with a 50ºR cut. The displacement
point for that is 25ºL (according to the table below). To move the bogey from 25ºR to 25ºL
would take a right turn of 50º. After the turn, your new cut is 0º (50ºR cut, turn right 50º = 0º
cut). Collision bearing (always 1/2 the current cut, co-speed), = 0º (dead ahead). The bogey is
now 25º left of our "new" collision bearing and will therefore drift to the left.
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