Aviation Training Experts™

Aviation Dictionary

Height above touchdown elevation (HAT)

The DA/DH or MDA above the highest runway elevation in the touchdown zone (first 3,000 feet of the runway).

Dictionary Term

Height above touchdown elevation (HAT)

Definitions

  • The DA/DH or MDA above the highest runway elevation in the touchdown zone (first 3,000 feet of the runway).
  • The height of the DA above touchdown zone elevation (TDZE).

References

  • Instrument Flying Handbook, Federal Aviation Administration, 2014
  • Instrument Procedures Handbook, Federal Aviation Administration, 2017