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T-6A INSTRUMENT NAVIGATION
CHAPTER FOUR
indicated by the need for an abnormally large drift correction. A high headwind or tailwind
would be indicated by a GS that differs significantly from predicted values.
090 R
"B"
"A"
Figure 4-18 Headwind and Tailwind
Another problem is encountered if we have a strong headwind component when inbound to the
holding fix. For the first correction orbit, a minimum time of 30 seconds outbound will be used.
In any event, it is essential you clear the cone of confusion in order to fix your position relative
to the holding fix. If, after repeated correction orbits, you determine you need to eliminate
outbound timing entirely, you have an extremely strong headwind. In this case, your inbound
timing can exceed 1 or 1 1/2 minutes, depending on your altitude.
NOTE
If wind speed and its angular relationship to the holding pattern make
holding difficult, consider requesting a different pattern more suitably
oriented with respect to the wind.
414. CLEARANCE FOR AN APPROACH WHILE IN HOLDING
If established in a published holding pattern and subsequently cleared for the approach, you may
commence the approach from within the holding pattern. It is very important to listen to your
approach clearance once established in holding. Listed below are possible types of clearances
you may receive:
"KATT 603, Pensacola Approach, at the completion of this turn in holding you are cleared
for the RNAV 1 approach."
In this case, you would complete this turn in holding and commence the approach at the IAF.
Listen for any altitude restrictions from ATC.
"KATT 603, Pensacola Approach, you are cleared for the RNAV 1 approach."
INSTRUMENT NAVIGATION
4-41


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