# 14 C.F.R. § 27.1547 (2026): Magnetic direction indicator

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1547

## Section

- **Citation:** 14 C.F.R. § 27.1547 (2026)
- **Heading:** Magnetic direction indicator
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 14 CFR: Aeronautics and Space / Chapter I: FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION / Part 27: AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT / Subpart G: Operating Limitations and Information / § 27.1547: § 27.1547   Magnetic direction indicator.

## Text

(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]

## Nearby sections

- [14 C.F.R. § 27.1501 (2026) § 27.1501   General.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1501.md)
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- [14 C.F.R. § 27.1509 (2026) § 27.1509   Rotor speed.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1509.md)
- [14 C.F.R. § 27.1519 (2026) § 27.1519   Weight and center of gravity.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1519.md)
- [14 C.F.R. § 27.1521 (2026) § 27.1521   Powerplant limitations.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1521.md)
- [14 C.F.R. § 27.1523 (2026) § 27.1523   Minimum flight crew.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1523.md)
- [14 C.F.R. § 27.1525 (2026) § 27.1525   Kinds of operations.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1525.md)
- [14 C.F.R. § 27.1527 (2026) § 27.1527   Maximum operating altitude.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1527.md)
- [14 C.F.R. § 27.1529 (2026) § 27.1529   Instructions for Continued Airworthiness.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1529.md)
- [14 C.F.R. § 27.1541 (2026) § 27.1541   General.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1541.md)
- [14 C.F.R. § 27.1543 (2026) § 27.1543   Instrument markings: general.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1543.md)
- [14 C.F.R. § 27.1545 (2026) § 27.1545   Airspeed indicator.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1545.md)
- [14 C.F.R. § 27.1547 (2026) § 27.1547   Magnetic direction indicator.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1547.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_1547. Check the current official text before relying on it. Not legal advice.