Every 12 months the compass must be checked and calibrated. This is due to the magnetic deviation the compass experiences, which is caused by electromagnetic interferences within the flight deck.
While the gyroscopic axis remains fixed in space, the earth continues to rotate, causing the approximate 15° drift per hour. This is why we need to adjust the heading indicator to [...]
Yes! VORTACs combine a VOR and a TACAN. While the later is for military use civilians can get DME information from the TACAN if they have the proper equipment in their [...]
In cold air the altimeter will over read. In warm air the altimeter will under read. Remember that standard temperature is 15 degrees Celsius. From hot to cold, don't be bold. [...]
A VORTAC is a VOR (VHF omnidirectional range) combined with a TACAN (tactical air navigation system). VORs are used in civil aviation and TACANs are used by the military. VORTACs provide [...]
Double track error correction: double your drift angle left or right depending on which side of track you have drifted and fly that heading to regain your track. This will only [...]
If you are traveling at 90KTs (groundspeed) it will take you 2/3 of the distance in minutes to reach your destination. For example, if you need to divert for some reason [...]