AviationTire› General Navigation ›Inertial Navigation Systems (Ins) ›Accuracy, reliability, errors and coverage of INSIRS Q 4 / 5 ▾

The azimuth gyro of an inertial unit has a drift of 0.01° /HR. After a flight of 12 HR with a ground speed of 500 kt, the error on the aeroplane position is approximately:

6 NM.
1 NM.
12 NM.
60 NM.