StacksVerified U.S. regulatory reference

14 CFR §25.483

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
For the one-gear landing conditions, the airplane is assumed to be in the level attitude and to contact the ground on one main landing gear, in accordance with Figure 4 of Appendix A of this part. In this attitude—
  1. (a)The ground reactions must be the same as those obtained on that side under § 25.479(d)(1), and
  2. (b)Each unbalanced external load must be reacted by airplane inertia in a rational or conservative manner.