This advisory circular (AC) sets forth a method of compliance with the requirements of Part 25 of the Federal Aviation Regulations (FAR) pertaining to installations of miscellaneous, nonrequired electrical equipment in transport category airplanes.

Provides guidance material for acceptable means for demonstrating compliance with the provisions of part 25 of the FAR dealing with the design requirements for transport category airplanes to preclude the aeroelastic instabilities of flutter, divergence and control reversal.

Provides information and guidance regarding compliance with the provisions of Part 25 of the Federal Aviation Regulations applicable to dynamic testing of seats intended for use in transport category airplanes.

Describes acceptable means for showing compliance with certain requirements of Title 14, CFR, of FAR 25.1329, Flight Guidance System.

This advisory circular (AC) describes an acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR), 25.1419(e), (f), (g), and (h), Ice protection.

This advisory circular (AC) sets forth an acceptable means of compliance with the provisions of·Part 25 of the Federal Aviation Regulations (FAR} dealing with the damage-tolerance alid fatigue evaluation requirements of aircraft structure.

This Advisory Circular (AC) provides acceptable certification methods, but not necessarily the only acceptable methods, for demonstrating compliance with the crashworthiness requirements of part 25, as amended through Amendment 25-112, of Title 14 of the Code of Federal Regulations (14 CFR) for transport category airplanes.

Provides guidance to airplane manufacturers, modifiers, foreign regulatory authorities, and FAA transport airplane type certification engineers and their designees.

This AC provides an acceptable means of showing compliance with the underwater locating device (ULD) requirements of the Federal Aviation Regulations for recorder ULD’s.

Provides an acceptable means of compliance with Part 23 of the FAR for type certification of certain small airplanes.

Sets forth acceptable means of compliance with the provisions of Part 25 of the Federal Aviation Regulations (FAR) dealing with the certification requirements of fuselage doors.

Sets forth an acceptable means , but not the only means, of demonstrating compliance with the provisions of part 25 of the Federal Aviation Regulations (FAR) related to the minimum speed margin between design cruise speed and design dive speed for transport category airplanes.

0Sets forth an acceptable means of compliance, but not the only means, for the installation approval of automatic landing systems in transport category aircraft, which may be used initially in Category II operations.

This advisory circular (AC) describes an acceptable means for showing compliance with the airplane certification requirements related to performance and handling characteristics of transport category airplanes for flight in the icing conditions defined in appendix C of Title 14, Code of Federal Regulations (14 CFR) part 25.

This advisory circular provides guidance material for acceptable means, but not the only means, of demonstrating compliance with the requirements of Part 25 of the Federal Aviation Regulations which includes probabilistic terms, as introduced by Amendment 25-23, for airplane equipment, systems, and installations.

This advisory circular (AC) provides guidance for the flight test evaluation of transport category airplanes.

This advisory circular (AC) provides guidance for the flight test evaluation of transport category airplanes.

Provides guidance for compliance with the provisions of 14 CFR Part 25 of the Federal Aviation Regulations (FAR) pertaining to the damage-tolerance and fatigue evaluation requirements for transport category aircraft structure.

This advisory circular (AC) sets forth an acceptable means of compliance with the provisions of Part 25 of the Federal Aviation Regulations (FAR) dealing witti the certification requirements for high lift and drag devices.