14 C.F.R. § 29.1517 Limiting height-speed envelope.
Title 14 - Aeronautics and Space
For Category A rotorcraft, if a range of heights exists at any speed, including zero, within which it is not possible to make a safe landing following power failure, the range of heights and its variation with forward speed must be established, together with any other pertinent information, such as the kind of landing surface. [Amdt. 29–21, 48 FR 4391, Jan. 31, 1983]
Title 14: Aeronautics and Space
PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Subpart G—Operating Limitations and Information
Operating Limitations
§ 29.1517 Limiting height-speed envelope.
