Spray characteristics, control, and stability on water. Side load on engine and auxiliary power unit mounts. Ground load: unsymmetrical loads on multiple-wheel units. Damage-tolerance and fatigue evaluation of structure. Material strength properties and material design values. Stability augmentation and automatic and power-operated systems.

Appendix O to Part 25—Supercooled Large Drop Icing Conditions Authority: 49 U.S.C. 106(f) , 106(g) , 40113 , 44701 , 44702 and 44704 ; Pub. L. 115-254 , 132 Stat 3281 ( 49 U.S.C. 44903 note).

The following special retroactive requirements are applicable to an airplane for which the regulations referenced in the type certificate predate the sections specified below— (a) Irrespective of the date of application, each applicant for a supplemental type certificate (or an amendment to a type certificate) involving an increase in ...

Jan 3, 2012 · Title 14, part 25 of the Electronic Code of Federal Regulations. '; Toggle navigation eCFR. Home; Title 14 PART 25. CFR › Title 14 › Volume 1 › Chapter I › Subchapter C › Part 25. Part 25 - Airworthiness Standards: Transport Category Airplanes.

Jan 1, 2020 · Title 14 - Aeronautics and Space Chapter I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION Subchapter C - AIRCRAFT Part 25 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES

Dec 11, 2019 · Aircraft certified under 14 CFR Part 25 must comply with the airworthiness standards for airplanes in the transport category. Here’s a quick summary of what operators need to know about complying with airworthiness standards under CFR Part 25.

(1) Scheduling information for each part of the airplane and its engines, auxiliary power units, propellers, accessories, instruments, and equipment that provides the rec-ommended periods at which they should be cleaned, inspected, adjusted, tested, and lu-bricated, and the degree of inspection, the applicable wear tolerances, and work rec-

(1) There is sufficient access in flight to enable a crewmember to effectively reach any part of the compartment with the contents of a hand fire extinguisher; (2) When the access provisions are being used, no hazardous quantity of smoke, flames, or

Aug 27, 2024 · The FAA is amending regulations in title 14, Code of Federal Regulations (14 CFR) part 25 (Airworthiness Standards: Transport Category Airplanes) related to the safety assessment of airplane systems. The changes to part 25 affect applicants for type certification and operators of transport category airplanes.

Mar 19, 2025 · Appendix I to Part 25 - Installation of an Automatic Takeoff Thrust Control System (ATTCS)