Sec. 29.53 - Takeoff: Category A.
The takeoff performance must be determined and scheduled so that, if one engine fails at any time after the start of takeoff, the rotorcraft can --
(a) Return to, and stop safely on, the takeoff area; or
(b) Continue the takeoff and climbout, and attain a configuration and airspeed allowing compliance with §29.67(a)(2).
[Doc. No. 24802, 61 FR 21899, May 10, 1996; 61 FR 33963, July 1,