# 14 CFR § 29.1355: Distribution system

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1355

## Section

- **Citation:** 14 CFR § 29.1355
- **Heading:** Distribution system
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 14—Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT > PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT > Subpart F—Equipment > Electrical Systems and Equipment

## Text

(a) The distribution system includes the distribution busses, their associated feeders, and each control and protective device.
(b) If two independent sources of electrical power for particular equipment or systems are required by this chapter, in the event of the failure of one power source for such equipment or system, another power source (including its separate feeder) must be provided automatically or be manually selectable to maintain equipment or system operation.
(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), Dept. of Transportation Act (49 U.S.C. 1655(c)))
[Doc. No. 5084, 29 FR 16150, Dec. 3, 1964, as amended by Amdt. 29-14, 42 FR 36973, July 18, 1977; Amdt. 29-24, 49 FR 44439, Nov. 6, 1984]

## Nearby sections

- [14 CFR § 29.1301 § 29.1301 Function and installation.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1301.md)
- [14 CFR § 29.1303 § 29.1303 Flight and navigation instruments.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1303.md)
- [14 CFR § 29.1305 § 29.1305 Powerplant instruments.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1305.md)
- [14 CFR § 29.1307 § 29.1307 Miscellaneous equipment.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1307.md)
- [14 CFR § 29.1309 § 29.1309 Equipment, systems, and installations.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1309.md)
- [14 CFR § 29.1316 § 29.1316 Electrical and electronic system lightning protection.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1316.md)
- [14 CFR § 29.1317 § 29.1317 High-intensity Radiated Fields (HIRF) Protection.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1317.md)
- [14 CFR § 29.1321 § 29.1321 Arrangement and visibility.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1321.md)
- [14 CFR § 29.1322 § 29.1322 Warning, caution, and advisory lights.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1322.md)
- [14 CFR § 29.1323 § 29.1323 Airspeed indicating system.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1323.md)
- [14 CFR § 29.1325 § 29.1325 Static pressure and pressure altimeter systems.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1325.md)
- [14 CFR § 29.1327 § 29.1327 Magnetic direction indicator.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1327.md)
- [14 CFR § 29.1329 § 29.1329 Automatic pilot and flight guidance system.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1329.md)
- [14 CFR § 29.1331 § 29.1331 Instruments using a power supply.](https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1331.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-14-29.1355. Check the current official text before relying on it. Not legal advice.