Scale Rule Book

Click on the SAMAA Scale Rule Book tab to view or print the rules after reading this introduction.

The NASA Scale Rules consist of the rules for NASA Sport Scale, NASA Stand-off-Scale, together with Judges Guides for the Static and Flying Judges, an Organisers Guide and the descriptions and diagrams of the flight manoeuvres.

A link to the FAI F4H and F4C rules which are published on the FAI website is provided in the NASA Rule Book.

Note that the 2026 Scale Rule Book will remain in force until the next Scale Rule Book is published.