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What area does the OROCA on an IFR Chart cover?

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Airspace, Instrument Rating

What area does the Off Route Obstruction Clearance Altitude on a low altitude IFR chart cover?

What are the boudaries?

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2 Answers



  1. Mark Kolber on May 07, 2014

    Same area as a MEF covers on a sectional. IOW, the boundaries are clearly shown on the chart itself.

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  2. Shih-Cheng Chang on May 08, 2014

    The boundaries is the square of longitude and latitude. you can see the rectangular line on the charts.

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