Copyright - Windy City Warbirds and Classics


This event is limited to:

- Warbirds with a sport-scale outline minimum. Sport aircraft with warbird markings are not permitted.

- Vintage aircraft where the full-scale counterpart first flew on or before 12/31/69.

- In addition to the above criteria, aircraft must have an 80" wingspan mimimum for monoplanes, 60" wingspan minimum for bi-planes and 140" (wing-span + length) for jets. Aircraft that are 1/4 scale minimum that meet all criteria except wingspan/length are also acceptable.

- For night flying (on Friday night), models are restricted to electric power and must be adequately illuminated so orientation is easily identified.


Updated requirements for AMA Sanctioned Events including Windy City Warbirds and Classics:

The AMA has revised the requirements concerning the operation of turbine-powered models, and aircraft that weigh more than 55-pounds.

Large Model Airplane Program


To fly a model airplane that weighs more than 55 pounds, the owner/pilot must have a permit to fly for that specific airplane from the AMA. A pilot shall have this document with him or her to present at check in. There is also a current listing of all pilots and their approved airplanes in the members-only documents section of the AMA website.

There are four categories of large model airplanes:

  • LMA-1 airplanes weigh between 55 and 77 pounds, with fuel, ready to fly.
  • LTMA-1 airplanes are powered by turbine engines and weigh between 55 and 77 pounds, with fuel, ready to fly.
  • LMA-2 airplanes weigh between 77 and 125 pounds, with fuel, ready to fly.
  • LTMA-2 airplanes are powered by turbine engines and weigh between 77 and 100 pounds, with fuel, ready to fly.


It is the responsibility of the Contest Director to verify that the pilot of these airplanes have the proper credentials to fly them.

Pilot Information


Special Rules and Large Model Airplane Program