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REFERENCE
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AIM, Para 3
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2
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2, Class A Airspace.
4
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4
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9. VFR/IFR Flights
NOTE
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OROCA is a published altitude which provides 1,000 feet of terrain and obstruction clearance in the US (2,000 feet of
clearance in designated mountainous areas). These altitudes are not assessed for NAVAID signal coverage, air traffic
control surveillance, or communications coverage, and are published for general situational awareness, flight planning and
in
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flight contingency use.
4
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4
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10. Adherence to Clearance
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REFERENCE
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14 CFR Section 91.117.
NOTE
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Leveling off at 10,000 feet MSL on descent or 2,500 feet above airport elevation (prior to entering a Class C or Class D
surface area) to comply with 14 CFR Section 91.117 airspeed restrictions is commonplace. Controllers anticipate this action
and plan accordingly. Leveling off at any other time on climb or descent may seriously affect air traffic handling by ATC.
Consequently, it is imperative that pilots make every effort to fulfill the above expected actions to aid ATC in safely handling
and expediting traffic.
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