Aviation Training Experts™

Aviation Dictionary

Mandatory block altitude

An altitude depicted on an instrument approach chart with two underscored and overscored altitude values between which aircraft are required to maintain altitude.

Dictionary Term

Mandatory block altitude

Definition

  • An altitude depicted on an instrument approach chart with two underscored and overscored altitude values between which aircraft are required to maintain altitude.

References

  • Instrument Flying Handbook, Federal Aviation Administration, 2014
  • Pilot's Handbook of Aeronautical Knowledge, Federal Aviation Administration, 2023