14 CFR · Part 25

14 CFR § 25.483

One-gear landing conditions.

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—

(a)

The ground reactions must be the same as those obtained on that side under § 25.479(d)(1), and

(b)

Each unbalanced external load must be reacted by airplane inertia in a rational or conservative manner.

Regulations Referenced

14 CFR Part 25, Appendix A 14 CFR 25.479

Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.

Primary Source

Official Source (14 CFR · Part 25)