Aviation

Aviation, or air transport, refers to the activities surrounding mechanical flight and the aircraft industry. Discussion on this topic revolves around the assertion that aircraft instrumentation are built to assume, and pilots are taught to fly, over a flat, non-rotating earth.

Royal Air Force College
Taking wrong directions would obviously have dire consequences when flying supersonic in a combat jet, therefore the Royal Air Force teaches their pilots the “real thing”. From the Aug 16, 1979 issue of New Scientist (Archive) we read on p.543:

Earthly

Study Guide
A study guide from aerostudents.com says that a flat, non-rotating earth is assumed (Archive).

See section 1.1.2:

Related References

 * Flight Instructor: We all fly over a FLAT EARTH - SW24 - Mark Sargent
 * 15 NASA Research Papers That Admit Flat & Nonrotating!
 * "Flat Earth Missile Technology Proof" - See from 11:00 to 15:00
 * The Aviation Chapter of a book titled The Greatest Lie on Earth by Edward Hendrie
 * Expert Series: Flat Earth