U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 14Chapter IPart 27Subpart F - Subpart F—Equipment

GENERAL
§ 27.1301 - Function and installation.
§ 27.1303 - Flight and navigation instruments.
§ 27.1305 - Powerplant instruments.
§ 27.1307 - Miscellaneous equipment.
§ 27.1309 - Equipment, systems, and installations.
§ 27.1316 - Electrical and electronic system lightning protection.
§ 27.1317 - High-intensity Radiated Fields (HIRF) Protection.

INSTRUMENTS: INSTALLATION
§ 27.1321 - Arrangement and visibility.
§ 27.1322 - Warning, caution, and advisory lights.
§ 27.1323 - Airspeed indicating system.
§ 27.1325 - Static pressure systems.
§ 27.1327 - Magnetic direction indicator.
§ 27.1329 - Automatic pilot and flight guidance system.
§ 27.1337 - Powerplant instruments.

ELECTRICAL SYSTEMS AND EQUIPMENT
§ 27.1351 - General.
§ 27.1353 - Energy storage systems.
§ 27.1357 - Circuit protective devices.
§ 27.1361 - Master switch.
§ 27.1365 - Electric cables.
§ 27.1367 - Switches.

LIGHTS
§ 27.1381 - Instrument lights.
§ 27.1383 - Landing lights.
§ 27.1385 - Position light system installation.
§ 27.1387 - Position light system dihedral angles.
§ 27.1389 - Position light distribution and intensities.
§ 27.1391 - Minimum intensities in the horizontal plane of forward and rear position lights.
§ 27.1393 - Minimum intensities in any vertical plane of forward and rear position lights.
§ 27.1395 - Maximum intensities in overlapping beams of forward and rear position lights.
§ 27.1397 - Color specifications.
§ 27.1399 - Riding light.
§ 27.1401 - Anticollision light system.

SAFETY EQUIPMENT
§ 27.1411 - General.
§ 27.1413 - Safety belts.
§ 27.1415 - Ditching equipment.
§ 27.1419 - Ice protection.
§ 27.1435 - Hydraulic systems.
§ 27.1457 - Cockpit voice recorders.
§ 27.1459 - Flight data recorders.
§ 27.1461 - Equipment containing high energy rotors.
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