UJPT, E2-C2, ADV, & IUT RIFP-01
Introduction to Radio Instruments
Sg 7, fr 2
Sg 7, fr 3
INTRODUCTION TO RADIO INSTRUMENTS
045
0780
RANGE
COURSE
*
SID procedures
*
Radial intercept procedures
*
Indications of station passage
CRS
HDG
*
TACAN/VOR DME arc procedures
*
Voice Procedures
*
Ground speed computation procedures
*
Wind drift correction procedures
*
Pt-to-Pt procedures
*
Direct to a NAVAID
*
VOR-TACAN/VOR DME holding procedures
WIND DRIFT CORRECTION PROCEDURE-
TRACKING
VII. Correcting for wind drift using TACAN/VOR/VOR DME 2.7.5.1.8.1
NOTE: To compensate for wind, use a wind-corrected heading (WCH)
that stops drift from your course. The difference between WCH and
desired course is called “crab angle.”
A.
Determining WCH and crab angle
1.
Establish radial track on course (CDI centered)
2.
Check for drift from course due to wind
3.
Turn the aircraft sufficiently back into the wind to reintercept the
course (CDI centered)
4.
Reduce intercept heading to maintain track on course (enough
crab angle to keep CDI centered)
COMMON ERROR: Making too small a correction to return to the
desired course.
COMMON ERROR: Not applying a correction into wind to slow and/
or stop drift when first detected to minimize drift from course.
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