Tail-down landing conditions.

CFR · 2024-01-01 · US · Title 14

(a) The rotorcraft is assumed to be in the maximum nose-up attitude allowing ground clearance by each part of the rotorcraft. (b) In this attitude, ground loads are assumed to act perpendicular to the ground.

official document · source cfr-2024 · id 14:§ 27.481