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Guest ATCguy

How to write a non-precision approach

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APPROACH RNAV.A FIX BOLDI FIX ELSEN 4100 RNW 33 DIRECT LW (etc, etc)Can anyone confirm if this is the correct way to write a non-precision approach? This particular approach has an MDA of 2,100' AGL. Please see the attached image of the approach plate. When I test-fly this approach, I get the warning "STEEP DESCENT AFTER ELSEN". However, it's NOT a steep descent because minimums are quite high (3,500' asl). Descent below 3,500' would be done visually by the pilot, and should be of no concern to the FMC.Roger Precious

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Hi RogerThe reason you're getting the steep descent message is probably that the 3560' minimums refer to a circling approach, not a straight-in one. The FMC doesn't know that though and it assumes you're trying to do a straight-in landing at runway 33.EDIT: Of course it's not the minimums themselves as they are not entered in the FMC, it's the 4100' at the final approach fix, which is a result of the high minimums.CheersMiltos

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