T-45C TS, ADV, & IUT RIFP-01
Introduction to Radio Instruments
V.
Flying TACAN/VOR DME arc 2.7.5.1.4.1
Sg 4, fr 2
A.
Intercepting an arc from a radial lead point
INTRODUCTION TO RADIO
INSTRUMENTS
calculation
* SID procedures
1.
For a 90-degree intercept: approximately
* Radial intercept procedures
1% of ground speed = DME lead point
* Indications of station passage
using 1/2 SRT
* TACAN/VOR DME arc
procedures
2.
For intercepts of less than 90 degrees: use
* Voice procedures
a proportional distance lead point of less
* Ground speed computation
than 1%
procedures
* Wind drift correction
procedures
* Pt-to-Pt procedures
* Direct to a NAVAID
* VOR-TACAN/VOR DME
holding procedures
Sg 4, fr 3
GROUND SPEED X 1% = DME TO ARC LPT
(USING 1/2 SRT)
INBOUND - ADD 1% of GS to the arc DME
OUTBOUND - SUBTRACT 1% of GS from the
arc DME
RADIAL TO ARC LPT CALCULATION
Page 1-15
(5-99) Original
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