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Code · CFR · Title 14 — Aeronautics and Space · Part 27 — Airworthiness Standards: Normal Category Rotorcraft · § 27.1547

§ 27.1547. Magnetic direction indicator.

170 words·~1 min read·/us/cfr/t14/s§ 27.1547·

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(a)A placard meeting the requirements of this section must be installed on or near the magnetic direction indicator.
(b)The placard must show the calibration of the instrument in level flight with the engines operating.
(c)The placard must state whether the calibration was made with radio receivers on or off.
(d)Each calibration reading must be in terms of magnetic heading in not more than 45 degree increments.
(e)If a magnetic nonstabilized direction indicator can have a deviation of more than 10 degrees caused by the operation of electrical equipment, the placard must state which electrical loads, or combination of loads, would cause a deviation of more than 10 degrees when turned on. (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))) [Doc. No. 5074, 29 FR 15695, Nov. 24, 1964, as amended by Amdt. 27-13, 42 FR 36972, July 18, 1977]
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  • 49 USC 1354(a)
  • 49 USC 1655(c)
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§ 27.1547
Magnetic direction indicator.
Cite49 USC 1354(a)
Cite49 USC 1655(c)
Cites 2Cited by 0 across 0 sources
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