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Aviation abbreviation

unable to approve altitude requested

UNAR

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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.