Thread: Why The Hell... (random rant)
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Old April 4th 07, 06:03 AM posted to rec.aviation.student,rec.aviation.piloting
TheSmokingGnu
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Default Why The Hell... (random rant)
wrote:
If the drift is sufficient ( 2 or 3 degrees, I forget the number; it's
in the AIM ) they are supposed to be recalibrated.

FAR 91.171, VOR Equipment checks.

4 degree variation if using a VOT or other ground-based testing
sites/equipment.

6 degrees if using a designated airborne test point, or using a dead
reckoning technique.

No more than 4 degrees variation between the radios of a dual VOR setup.

Nothing about the accuracy of the VOR station itself, though. If they're
really bad, I would file a report with the nearest FSDO.

TheSmokingGnu