Aviation Glossary - ROUTE MINIMUM OFFROUTE ALTITUDE

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ROUTE MINIMUM OFFROUTE ALTITUDE

ROUTE MINIMUM OFFROUTE ALTITUDE (Route MORA): This is an altitude derived by Jeppesen. The Route MORA altitude provides reference point clearance within 10 NM of the route centerline (regardless of the route width) and end fixes. Route MORA values clear all reference points by 1000 feet in areas where the highest reference points are 5000 feet MSL or lower. Route MORA values clear all reference points by 2000 feet in areas where the highest reference points are 5001 feet MSL or higher. When a Route MORA is shown along a route as “unknown” it is due to incomplete or insufficient information.

source: ICAO Aviation Chart Glossary

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