Performance information.

CFR · 2024-01-01 · US · Title 14

(a) The Rotorcraft Flight Manual must contain the following information, determined in accordance with §§ 27.49 through 27.87 and 27.143(c) and (d): (1) Enough information to determine the limiting height-velocity envelope. (2) Information relative to— (i) The steady rates of climb and descent, in-ground effect and out-of-ground effect hovering ceilings, together with the corresponding airspeeds and other pertinent information including the calculated effects of altitude and temperatures; (ii) The maximum weight for each altitude and temperature condition at which the rotorcraft can safely hover in-ground effect and out-of-ground effect in winds of not less than 17 knots (iii) For reciprocating engine-powered rotorcraft, the maximum atmospheric temperature at which compliance with the cooling provisions of §§ 27.1041 through 27.1045 is shown; and (iv) Glide distance as a function of altitude when autorotating at the speeds and conditions for minimum rate of descent and best glide as determined in § 27.71. (b) The Rotorcraft Flight Manual must contain— (1) In its performance information section any pertinent information concerning the takeoff weights and altitudes used in compliance with § 27.51; and (2) The horizontal takeoff distance determined in accordance with § 27.65(a)(2)(i).

official document · source cfr-2024 · id 14:§ 27.1587