Aviation abbreviation
unable to approve altitude requested
UNAR
At a glance
Meaning of unable to approve altitude requested
UNAR stands for unable to approve altitude requested in FAA terminology.
More about unable to approve altitude requested
This abbreviation is used in air navigation. The English reference lists unable to approve altitude requested with the abbreviation UNAR.
FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.