Questions tagged [procedure-design]

For questions relating to the design of departure and approach procedures

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Why would an airport have a "Z" approach unless there's also a "Y" of the same type?

Napa Airport (KAPC) has an ILS Z 1 approach, but no ILS Y 1. See here. Why isn't this just the ILS 1? The naming rule described in the IPH, referenced here, doesn't explain why this would happen.
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How do procedure designers calculate Minimum Enroute Altitudes?

When the designers of instrument flight procedures design a new procedure, I understand that they use certain manuals, such as ICAO's Doc29 or FAA's TERPS and PBN (8260.58), in order to construct ...
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Is there a database from which I can retrieve the Expected Crossing Altitudes of a Departure or Arrival Procedure?

I am stuyding FAA's Coded Instrument Flight Procedures (CIFP) file which uses ARINC 424 digital format to code its data. I noticed that only mandatory crossing altitudes and speeds are included in the ...
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