CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT (parts 21 to 50) > PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT > SUBPART F—Equipment (§27.1301 to §27.1461) > 27.1335—Flight director systems.

27.1335—Flight director systems.

If a flight director system is installed, means must be provided to indicate to the flight crew its current mode of operation. Selector switch position is not acceptable as a means of indication.

Code of Federal Regulations

(Secs. 313(a), 601, 603, 604, and 605 of the Federal Aviation Act of 1958 ( 49 U.S.C. 1354(a), 1421, 1423, 1424 , and 1425); and sec. 6(c) of the Dept. of Transportation Act ( 49 U.S.C. 1655(c) ))

Code of Federal Regulations

[Amdt. 27-13, 42 FR 36972, July 18, 1977]