Subjgrp 112. General
- § 25.1301 - Function and installation.
- § 25.1302 - Installed systems and equipment for use by the flightcrew.
- § 25.1303 - Flight and navigation instruments.
- § 25.1305 - Powerplant instruments.
- § 25.1307 - Miscellaneous equipment.
- § 25.1309 - Equipment, systems, and installations.
- § 25.1310 - Power source capacity and distribution.
- § 25.1316 - Electrical and electronic system lightning protection.
- § 25.1317 - High-intensity Radiated Fields (HIRF) Protection.