Instrument Flight
Flight Procedures
No-Wind VOR/TACAN DME Entry Offset
Prior to reaching the holding fix on a teardrop or direct entry, based on the T-45A turn radius for 180
degrees at holding airspeed, the pilot should calculate the approximate offset required so at the inbound
turn point, a SRT or 30 degree AOB turn for 180 degrees, will place the aircraft on the holding course
inbound. The actual offset required will vary with wind, true airspeed, altitude and Turn radius. For 200
KIAS at 15,000 ft, the T-45A turn radius is approximately 2 nm, or 4 nm for 180 degrees of turn. See
Figure 28.
30 DME 082
090R
NO WIND
Offset 8 radials according to table:
DME
RADIAL OFFSET
(At turn inbound)
(Approximate)
10
24
20
12
30
8
40
6
Figure 28: NO WIND HOLDING OFF-SET
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