PPRuNe Forums - View Single Post - TAS GS and IAS help

19th Jan 2015, 08:58

#4 (permalink)

bfisk

Join Date: Jun 2006

Location: Europe

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No, your friend is incorrect.

Indicated airspeed (IAS) +- instrument, position and calibration errors ---> Calibrated airspeed (CAS)
CAS +- density correction ---> True airspeed (TAS)
TAS +- head/tailwind component ----> Ground speed (GS).