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Like a chart might state, RNAV 1 and then state that you require a GNSS. This essentially makes the procedure an RNP 1 procedure. Not correct. “RNAV1 – GNSS required” means that you can fly the procedure with RAIM inop (or with a non-RAIM capable receiver) but we, as designers, have only considered the GNSS scenario when calculating the navigation system ...

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