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How IFR Fixes Get Their Names

The naming convention for IFR fixes sometimes seems like the FAA's version of Scrabble.

The criteria for an IFR fix name is pretty straight forward: It must contain five letters, and it must be easily pronounceable. [Courtesy: Meg Godlewski]
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Key Takeaways:

  • IFR fix designations, assigned by the FAA's Aeronautical Information Services (AIS) office, are five-letter and easily pronounceable.
  • While many fix names are randomized, others are deliberately chosen to honor local landmarks, sports teams/mascots, regional culture, people, or even cartoon characters.
  • Fix names must not sound similar to existing designations, and the process for requesting a change is complex, takes 7-8 months, and is generally not encouraged for public input.
See a mistake? Contact us.

Have you taken a look at a low IFR enroute chart lately? Specifically, note the five-letter designations for IFR fixes, which are geographic positions determined by reference to navaids or lat/long coordinates. You may find yourself wondering if the people in charge of coming up with the designations are using the tiles from a Scrabble game to name the fixes.

According to the FAA, the designations come from the agency’s Aeronautical Information Services (AIS) office located in Silver Springs, Maryland. Their job is to issue five-letter names for radio fixes, waypoints, marker beacons, and compass locators.

Meg Godlewski

Meg Godlewski has been an aviation journalist for more than 24 years and a CFI for more than 20 years. If she is not flying or teaching aviation, she is writing about it. Meg is a founding member of the Pilot Proficiency Center at EAA AirVenture and excels at the application of simulation technology to flatten the learning curve. Follow Meg on Twitter @2Lewski.

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