§ 27.1141. Powerplant controls: general.

207 words·~1 min read·/us/cfr/t14/s§ 27.1141·

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(a)Powerplant controls must be located and arranged under § 27.777 and marked under § 27.1555.

(b)Each flexible powerplant control must be approved.

(c)Each control must be able to maintain any set position without—

(1)Constant attention; or

(2)Tendency to creep due to control loads or vibration.

(d)Controls of powerplant valves required for safety must have—

(1)For manual valves, positive stops or in the case of fuel valves suitable index provisions, in the open and closed position; and

(2)For power-assisted valves, a means to indicate to the flight crew when the valve—

(i)Is in the fully open or fully closed position; or

(ii)Is moving between the fully open and fully closed position.

(e)For turbine engine powered rotorcraft, no single failure or malfunction, or probable combination thereof, in any powerplant control system may cause the failure of any powerplant function necessary for safety. (Secs. 313(a), 601, and 603, 72 Stat. 752, 775, 49 U.S.C. 1354(a), 1421, and 1423; sec. 6(c), 49 U.S.C. 1655(c)) [Doc. No. 5074, 29 FR 15695, Nov. 24, 1964, as amended by Amdt. 27-12, 42 FR 15045, Mar. 17, 1977; Amdt. 27-23, 53 FR 34214, Sept. 2, 1988; Amdt. 27-33, 61 FR 21907, May 10, 1996]

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72 Stat. 752
49 USC 1354(a)
49 USC 1655(c)

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cites case law

§ 27.1141

Powerplant controls: general.

Stat.72 Stat. 752

Cite49 USC 1354(a)

Cite49 USC 1655(c)

Cites 3Cited by 0 across 0 sources