Provides guidance for demonstrating compliance with the FAR pertaining to transport category airplanes converted for use in all-cargo or combination passenger/cargo (combi) service and the relationship of those regulations to the requirements of Parts 121and 135 of the FAR.

Sets forth a method of compliance with the requirements of Section 25.1523 of the FAR, which contains the certification requirements for minimum flight crew on transport category airplanes.

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.

This advisory circular (AC) provides information on electrically caused faults, overheat, smoke, and fire in transport category airplanes.

This advisory circular (AC) provides guidance for demonstrating compliance with the airworthiness standards that specify the requirements for material strength properties and material design values.

Provides guidance for the certification of takeoff configuration warning systems installed in transport category airplanes.

Sets forth a means of compliance with the provisions of Part 25 of the FAR dealing with the certification requirements for fuel tank access covers on turbine powered transport category airplanes.

Provides guidelines for the evaluation of turbine engine (turbojet, turboprop, and turboshaft) operating characteristics for subsonic transport category airplanes.

Sets forth a specific method of compliance with the requirements of section 25.1455 of the FAR pertaining to draining of fluids through drain masts when the fluids are subject to freezing.

Provides guidance for demonstrating compliance with the airworthiness standards for transport category airplanes pertaining to pilot compartment view.

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.

This advisory circular (AC) provides guidance material for use as an acceptable means, but not the only means, of demonstrating compliance with the airworthiness standards for transport category airplanes that contain hydraulic system requirements.

Describes an acceptable means for showing compliance with the requirements of Section 25.905, “Propellers,” of Title 14, Code of Federal Regulations (CFR) Part 25.

This advisory circular (AC) 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 use of landing gear shock absorption tests and analyses to determine landing loads for transport category airplanes.

Provides guidance material for use in demonstrating compliance with the provisions of Part 25 of the FAR requiring floor proximity emergency escape path markings.

Provides guidance on methods of compliance with the requirements of part 25 of the Federal Aviation Regulations pertaining to pressurization, ventilation, and oxygen systems, especially as they pertain to high altitude subsonic flight.

This advisory circular (AC) describes an acceptable means of showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR), part 25, § 25.795(b)(1), “Flight deck protection.”

Provides guidance for use in demonstrating compliance with the provisions of part 25 of the Federal Aviation Regulations (FAR) regarding floor proximity emergency escape path marking systems (FPEEPMS), which incorporate photo luminescent elements.

This advisory circular (AC) provides guidance for demonstrating compliance with the transport category airplane certification requirements of § 25.1362, Electrical supplies for emergency conditions.

This advisory circular (AC) sets forth an acceptable means, but not the only means, of demonstrating compliance with the provisions of the airworthiness standards for transport category airplanes related to the airplane design for flightdeck (also referred to as the pilot compartment or cockpit) intrusion resistance.

This advisory circular (AC) provides information and guidance on compliance with the airworthiness standards for transport category airplanes about limiting the time a fuel tank may be flammable or mitigation of hazards from flammable fuel air mixtures within fuel tanks.

This advisory circular (AC) describes an acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR), part 25, § 25.795(b)(3), “Cargo compartment fire suppression.”

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.

This advisory circular (AC) provides guidanc~ for compliance with the provisions of Title 14, Code of Federal Regulations (14 CFR) part 25, pertaining to the requirements for damage-tolerance and fatigue evaluation oftransport category aircraft structurce, including evaluation of widespread fatigue dam, age (VlFD) and establishing a limit of validity of the engineering data that supports the structural-maintenance program (hereafter referred to as the LOV).

Airworthiness Program for Airplane Systems/Fuel Tank Safety (EAPAS/FTS)” rule. That rule requires design approval holders (DAHs) and applicants to develop instructions for continued airworthiness (ICA) consisting of maintenance and inspection tasks, intervals, and procedures for the representative airplane’s electrical wiring interconnection systems (EWIS) for each affected type design.

This advisory circular (AC) provides guidance on the selection, documentation, and control of Certification Maintenance Requirements (CMR).

This advisory circular (AC) describes an acceptable means of showing compliance with the supercooled large drop condition requirements of § 25.773, Pilot compartment view, § 25.1323, Airspeed indicating system, § 25.1324 Angle of attack system and § 25.1325, Static pressure system, as well as the requirements of § 25.1419, Ice protection, and § 25.1420, Supercooled large drop icing conditions, of Title 14, Code of Federal Regulations (14 CFR) part 25.

This advisory circular (AC) provides guidance for the development of organizations and facilities performing nondestructive inspections (NDI).

This advisory circular describes acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations 25.307, Proof of structure.

This advisory circular (AC) describes acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR) 25.341, Gust and turbulence loads.

This advisory circular (AC) provides guidance for an acceptable means of showing compliance with the requirements of Title 14, Code of Federal Regulations(14 CFR) 25.795(d), Chemical oxygen generators.

This advisory circular (AC) describes an acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR) 25.362, Engine failure loads.

This advisory circular (AC) provides guidance concerning compliance with the airworthiness standards for transport category airplanes pertaining to Class B and Class F cargo compartments.

This advisory circular (AC) provides information and guidance concerning compliance with Federal Aviation Administration (FAA) requirements in Title 14, Code of Regulations (14 CFR) 25.975(a)(7) and related regulations for preventing fuel tank explosions caused by ignition of vapors outside the fuel tank vents.

This advisory circular describes an acceptable means of showing compliance with the airplane performance and handling characteristics certification requirements for flight in the icing conditions defined in Appendices C and 0 of Title 14, Code of Federal Regulations part 25.

This advisory circular (AC) provides guidance and standardized methods that data providers, such as type certificate (TC) holders, supplemental type certificate (STC) holders, applicants, and airplane operators, can use when developing takeoff performance data for transport category airplanes for operations on contaminated runways.

This advisory circular (AC) provides guidance for showing compliance with certain requirements of Title 14, Code of Federal Regulations part 25 for the design, installation, integration, and approval of electronic flight deck displays, components, and systems installed in transport category airplanes.

This advisory circular (AC) provides guidance concerning compliance with the airworthiness standards for transport category airplanes pertaining to Class C and Class F cargo compartments that incorporate built-in fire extinguishing/suppression systems.

This advisory circular (AC) provides guidance for the airworthiness approval of airborne windshear warning systems in transport category airplanes.

This Advisory Circular (AC) provides guidance for certification of electrical wiring interconnection systems (EWIS) on transport category airplanes in accordance with 14 CFR part 25, subpart H, sections §§25.1701 through 25.1739 and sections H25.4 and H25.5 of Appendix H to part 25.

This advisory circular (AC) provides guidance for demonstrating compliance with the transport category airplane certification requirements of § 25.1365 Electrical appliances, motors, and transformers.

This advisory circular (AC) provides guidance for demonstrating compliance with the transport category airplane certification requirements of § 25.1360 Precautions against injury

This advisory circular (AC) describes an acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR), part 25, § 25.795(c)(3), “Interior design to facilitate searches.”

Provides guidelines for the conduct of certification tests relating to smoke detection, penetration, and evacuation and to evaluate related Airplane Flight Manual (AFM) procedures.

This advisory circular (AC) provides guidance for the certification and use of reduced thrust (power) for takeoff and derated takeoff thrust (power) on turbine powered transport category airplanes.

This advisory circular (AC) provides guidance material for the airworthiness approval of flight management systems (FMS) in transport category airplanes.

Guidance applies to airplanes required to conform with 25.856, and part VI of appendix F to Title 14 Code of Federal Regulations (14 CFR) part 25.

Provides guidance material for acceptable means, but not the only means, of demonstrating compliance with the requirements for distributing required passenger emergency exits uniformly.

Sets forth acceptable means, but not the sole means, by which compliance maybe shown with auxiliary fuel system installation requirements in accordance with the Federal Aviation Regulations identified within.

This advisory circular (AC) provides information and guidance regarding acceptable means of compliance with the requirements of 14 CFR part 25 applicable to dynamic testing of seats.

Presents guidelines and methods for complying with the requirements of section 25.994 of the Federal Aviation Regulations (FAR).

Provides guidance material for demonstrating compliance with the Federal Aviation Regulations (FAR) pertaining to flammability of aircraft seat cushions.

Sets forth acceptable methods of compliance with provisions of Part 25 of the FAR dealing with the certification requirements for taxi, takeoff, and landing roll design loads.

Provides methods acceptable to the Administrator for showing compliance with the type certification requirements for transport airplane mechanical systems and equipment installations.

Sets forth an acceptable means, but not the only means, of demonstrating compliance with the provisions of 14 CFR Part 25 related to the aircraft design for sustained engine rotor imbalance conditions.

Describes an acceptable means for obtaining FAA airworthiness approval for the installation of a Terrain Awareness and Warning System (TAWS) that has been approved under Technical Standard Order (TSO)-C151a.

Identifies the information that must be provided in Airplane Flight Manual (AFM) under the airworthiness regulations and provides guidance as to the form and content of the approved portion of an AFM.

Describes an acceptable means for obtaining FAA airworthiness approval concerning new or revised requirements for braking systems, and associated test conditions for braking systems, installed in transport category airplanes.

Sets forth an acceptable means, but not the only means, of demonstrating compliance with the provisions of Title 14, Code of Federal Regulations (14 CFR) part 25 pertaining to the certification requirements for windshields, windows, and mounting structure.

This advisory circular (AC) provides guidance for demonstrating compliance with the transport category airplane certification requirements of § 25.899 Electrical bonding and protection against static electricity

This advisory circular (AC) sets forth an acceptable means, but not the only means, of demonstrating compliance with the provisions of the airworthiness standards for transport category airplanes related to the airplane design for flightdeck penetration resistance.

This advisory circular (AC) describes an acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (CFR), part 25, § 25.795(c), “Least risk bomb location.”

This AC provides guidance for the test method to determine burnthrough resistance of thermal/acoustic insulation materials installed in transport category airplanes.

This Advisory Circular (AC) provides guidance for showing compliance with certain requirements of Title 14 of the Code of Federal Regulations (14 CFR), part 25, for the design approval of flightcrew-alerting functions

This advisory circular (AC) provides guidance for demonstrating compliance with the transport category airplane certification requirements of § 25.863 Flammable fluid fire protection (as applicable to electrical system components) and § 25.869 Fire protection: systems.

This advisory circular (AC) provides guidance on means, but not the only means, of compliance with Title 14, Code of Federal Regulations (14 CFR) part 25 concerning: (1) conduct of full?

This advisory circular (AC) describes an acceptable means for showing compliance with the requirements of Title 14 of the Code of Federal Regulations (14 CFR) 25.729 regarding the landing gear retracting mechanism requirements.

This advisory circular (AC) provides guidance for the design and methods of compliance for installed equipment on transport airplanes intended for use by the flightcrew.

This advisory circular (AC) describes acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR) 25.415, Ground gust conditions.

This advisory circular (AC) describes an acceptable means for showing compliance with certain requirements of Title 14, Code of Federal Regulations (CFR) 25.1329, Flight guidance systems.

This AC provides guidance for showing compliance with § 25.981, which provides the certification requirements for the prevention of ignition sources, other than lightning, within the fuel tanks of transport category airplanes.

This advisory circular describes an acceptable means for showing compliance with the fuel tank structural integrity requirements of §§ 25.561, 25.721, and 25.963 of Title 14, Code of Federal Regulations.

This advisory circular describes an acceptable means for showing compliance with the requirements of § 25.621, Casting factors, of Title 14, Code of Federal Regulations part 25.

This AC provides guidance and standardized methods that data providers, such as TC holders, STC holders, applicants, and airplane operators, can use when developing landing performance data for time-of-arrival landing performance assessments for transport category airplanes.

This advisory circular (AC) provides guidance for showing compliance with the airworthiness regulations for transport category airplanes regarding lightning protection of fuel tanks and systems.

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

This Advisory Circular (AC) provides an acceptable means of showing compliance with the requirements of Title 14, Code of Federal Regulations (CFR), part 25, § 25.795(b)(2), “Cabin smoke protection.”

Provides instructions to ensure continued airworthiness of structural repairs on transport category airplanes.