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This article is about an aviation mnemonic. For the San Francisco retailer, see Gump's.

GUMPS is an acronym widely used by fixed-wing aircraft pilots as a mental checklist to ensure nothing critical has been forgotten before landing. Its popularity is widespread, appearing in flight student curricula, FAA publications and aviation magazines.[1][2][3]

Due to distraction and preoccupation during the landing sequence approximately 100 gear-up landing incidents occurred each year in the United States between 1998 and 2003.[4]

The checklist[edit]

GUMPS stands for:[5][6]

  • GGas (Fuel on the proper tank, fuel pump on as required, positive fuel pressure)
  • UUndercarriage (landing gear down)
  • MMixture (fuel mixture set)
  • PPropeller (prop set)
  • SSeat belts and Switches (lights, pitot heat, etc) [7]


  1. ^ "Mnemonic Reminders". Feb 2000. Retrieved 18 December 2015. 
  2. ^ National Transportation Safety Board (February 2002). "NYC02LA061". Retrieved 17 March 2010. 
  3. ^ King Schools (2010). "KwikVote Results". Archived from the original on October 23, 2007. Retrieved 17 March 2010. 
  4. ^ NASA (January 2004). "Checklist Checkup". Archived from the original on 2007-08-25. Retrieved 2010-02-26. 
  5. ^ Stoller, Joel. "Preflight prep" (PDF). Aircraft Owners and Pilot Association. Retrieved 14 December 2010. 
  6. ^ Love, Michael Charles (June 1995). Better takeoffs & landings. McGraw-Hill, Inc. p. 53. ISBN 0-07-038805-9. Retrieved 14 December 2010. 
  7. ^ Thomas P. Turner. "Leading Edge #4: Checklists and Flows". Retrieved 2011-02-20.