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A
RNP 2 is used in the en-route and oceanic/remote phases of flight. RNAV 2 might be used in the en-route continental, arrival and departure phases of flight.
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B
RNP 2 is used on arrival and departure phases of flight. RNAV 2 is used in the en-route and oceanic/remote phases of flight.
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C
RNP 2 is used in the en-route and oceanic/remote phases of flight. RNAV 2 is used in oceanic phases of flights or over remote areas
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D
RNP 2 might be used in the en-route continental, arrival and departure phases of flight. RNAV 2 is used in the en-route and oceanic/remote phases of flight
Navigation Specifications (RNAV and RNP specifications):
RNAV 10 (RNP 10) and RNP 4. For oceanic and remote continental navigation applications.
RNAV 1 and RNP 1. For arrival and Departure phases of flight.
RNAV 2. For en-route continental, arrival and departure phases of flight.
RNP 2. For en-route, and oceanic/remote phases of flight.
RNAV 5. For en-route flight phases.
RNP APCH. For approach phase of flight.
RNP 0.3. For various phases of flight, except for oceanic/remote and final approach (primarily for helicopter).
062.07.02.03.07: State that RNAV 2 might be used in the en-route continental, arrival and departure phases of flight.
062.07.02.03.06: State that RNP 2 is used in the en-route and oceanic/remote phases of flight.
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