alternate aerodrome

alternate aerodrome (plural alternate aerodromes)

(aviation) An aerodrome to which a flight may proceed if landing at the intended destination becomes impossible or inadvisable.
- 1979 January, “Regulations Concerning Airport Use”, in United States of America Aeronautical Information Publication:
  If an emergency landing is made elsewhere than at an international aerodrome or a designated alternate aerodrome, the pilot in command shall report the landing as promptly as possible by telephone or most convenient means to the nearest Customs office.
- 2022, A. J. D. Fafard, “Pre-flight and Fuel Requirements”, in Canadian Air Law for Pilots:
  An aircraft operated in IFR flight shall carry an amount of fuel that is sufficient to allow the aircraft [...] where an alternate aerodrome is specified in the flight plan or flight itinerary, to fly and execute an approach and a missed approach at the destination aerodrome, to fly and land at the alternate aerodrome and then to fly for a period of 45 minutes [...]

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