Skip to main content
video 7 min readUpdated Mar 28, 2026

Validating an FAI triangle

Walk through validating a free flight, declared task or triangle against the FAI rule set.

What you'll learn

A 7-minute walkthrough of running an FAI validation on a logged flight — declaring turnpoints, checking the closing leg, and reading the validation report when the geometry is borderline.

Coming soon. While the video is being recorded, the FAI Validation reference covers everything in writing, including the public FAI API call we make under the hood.