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Old 03-27-2012, 09:11 PM
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FlyerJosh
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Originally Posted by AirbusA320 View Post
RNP means Required Navigation Performance. So the 0.3 means the equipment must be accurate to a circle of 3/10 of a NM or your position.

See the link below:
Required navigation performance - Wikipedia, the free encyclopedia
Good point. I kinda implied that, but left it out. Of course if it's an approach that requires RNP 0.3 and you can't meet those tolerances (ie the aircraft is certified at RNP 0.3), then it doesn't matter how your aircraft establishes position.
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