Aviation Dictionary

Outside air temperature (OAT)

The measured or indicated air temperature (IAT) corrected for compression and friction heating. Also referred to as true air temperature.

Dictionary Term

Outside air temperature (OAT)

Definition

The measured or indicated air temperature (IAT) corrected for compression and friction heating. Also referred to as true air temperature.

References

Pilot's Handbook of Aeronautical Knowledge · Federal Aviation Administration · 2023