Question id 89 - Aircraft General Knowledge - EASA PPL(A) - Private Pilot License

Equivalent airspeed (EAS) corrected for altitude.
Indicated airspeed (IAS) corrected for instrument and position error.
Ground speed (GS) corrected for instrument and position error.
True airspeed (TAS) corrected for wind.

Training tests and timed exam simulations EASA PPL(A) - Private Pilot License