ANN's Daily Aero-Term (05.03.16): Minimum Obstruction Clearance Altitude (MOCA) | Aero-News Network
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Tue, May 03, 2016

ANN's Daily Aero-Term (05.03.16): Minimum Obstruction Clearance Altitude (MOCA)

Aero-Terms!

Aero-Terms are designed to be a daily reminder of the terms, names, acronyms and explanations of the unique language that populates the aviation world. Aerospace, sport aviation, fixed wing, helo, you name it... it's all fair game.

Aero-Terms should serve as a quick but intriguing reminder of the terms you may use every day, or an introduction to an aspects of the Aero-World you may not yet be familiar with. ANN also encourages readers to go beyond the FMI link, and further research any intriguing terms.

Suggestions for future Aero-Terms are ALWAYS welcome, as are additions or discussion of the explanations given for each Aero-Term.

Minimum Obstruction Clearance Altitude (MOCA)

The lowest published altitude in effect between radio fixes on VOR airways, off-airway routes, or route segments which meets obstacle clearance requirements for the entire route segment and which assures acceptable navigational signal coverage only within 25 statute (22 nautical) miles of a VOR.

FMI: www.faa.gov/air_traffic/publications/media/pcg.pdf

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