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.
Takeoff Configuration Warning Systems
Provides guidance for the certification of takeoff configuration warning systems installed in transport category airplanes.
Pilot Compartment View Design Considerations
Provides guidance for demonstrating compliance with the airworthiness standards for transport category airplanes pertaining to pilot compartment view. These criteria include the properties of transport materials necessary to assure adequate visibility from the flight deck.
Auxiliary Fuel Systems Installations
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. SN 050-007-00741-8.
Reduced and Derated Takeoff Thrust (Power) 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. It consolidates FAA guidance concerning this subject and serves as a ready reference for those involved with airplane certification and operation. These procedures should be considered during airplane type certification and supplemental type certification activities when less than engine rated takeoff thrust (power) is used for takeoff.
Certification of Transport Airplane Mechanical Systems
Provides methods acceptable to the Administrator for showing compliance with the type certification requirements for transport airplane mechanical systems and equipment installations.
System Design and Analysis
Describes various acceptable means for showing compliance with the requirements of section 25.1309(b), (c), and (d) of the Federal Aviation Regulations (FAR). These means are intended to provide guidance for the experience engineering and operational judgment that must form the basis for compliance findings.
Certification of Transport Category Airplanes for Flight in Icing Conditions
Provides guidance for certification of airframe ice protection systems on transport category airplanes.
Waste Water/Potable Water Drain System Certification Testing
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. This method is designed to verify that draining fluids will not accumulate as ice in sufficient quantity to be hazardous. Is for guidance purposes and to set forth one method of compliance that has been found acceptable.
Evaluating Turbine Engine Operating Characteristics
Provides guidelines for the evaluation of turbine engine (turbojet, turboprop, and turboshaft) operating characteristics for subsonic transport category airplanes.
Fuel Tank Access Covers
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. Guidance information is provided for showing compliance with the impact and fire resistance requirements of Section 25.963(e).
Fuel Tank Ignition Source Prevention Guidelines
This advisory circular provides guidance for demonstrating compliance with the certification requirements for prevention of ignition sources within the fuel tanks of transport category airplanes. This guidance is applicable to transport category airplanes for which a new, amended, or supplemental type certificate is requested.
Fuel Tank Flammability
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 guidance is applicable to transport category airplanes for which a new, amended, or supplemental type certificate is requested, and for which Amendment 25-125 applies. It is also applicable to certain existing design approval holders and certain pending applications for new type certificates, supplemental type certificates and amended type certificates where required by §§ 26.33, 26.35, 26.37, and 26.39, contained in a subpart D to Title 14, Code of Federal Regulations (CFR) part 26, “Fuel Tank Flammability.” Guidance on compliance with the associated requirements for operators of affected airplanes that must comply with requirements in 14 CFR parts 121, 125 and 129, to incorporate flammability reduction or ignition mitigation means by specified dates, will be contained in a separate document.
Transport Category Airplanes Modified for Cargo Service
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.
Aeroelastic Stability Substantiation of 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.
Uniform Distribution of Exits
Provides guidance material for acceptable means, but not the only means, of demonstrating compliance with the requirements for distributing required passenger emergency exits uniformly. Addresses only those passenger-carrying airplanes, including mixed passenger/cargo (“combi”) configurations, with a type certification basis for Amendment 25-15 or later with respect to Section 25.807(c) or airplanes with an earlier type certification basis required by Section 25.2 to meet Section 25.807, Amendment 25-15. Does not address airplanes with only one pair of required exits.
Floor Proximity Emergency Escape Path Marking
Provides guidance material for use in demonstrating compliance with the provisions of Part 25 of the FAR requiring floor proximity emergency escape path markings.
Floor Proximity Emergency Escape Path Marking Systems Incorporating Photoluminescent Elements
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. Although mandatory terms such as “shall” or “must” are used in this AC, because the AC method of compliance is not itself mandatory, these terms apply only to applicants who seek to demonstrate compliance by use of the specific method described by this AC.
Damage Tolerance and Fatigue Evaluation of Structure
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).
|25.613-1||ANM-115||Material Strength Properties and Material Design Values||08-06-2003|
Fuselage Doors and Hatches
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. Guidance information is provided for showing compliance with structural and functional safety standards for doors and their operating systems. The intent of the requirements and some acceptable means of compliance are discussed. Other means are acceptable if they meet the intent of the regulations. For the propose of showing compliance with section 25.783 of FAR, hatches and exits are also considered to be doors.
Emergency Evacuation Demonstrations
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?scale emergency evacuation demonstrations, and (2) use of analysis and tests in lieu of conducting an actual demonstration. Throughout this AC, any reference to a full-scale demonstration, unless further qualified, means an evacuation demonstration in which a full complement of passengers and the requisite number of crewmembers evacuate an airplane using assist means, if installed, under the conditions specified in part 25, appendix J. References to “appendix J” means 14 CFR part 25, appendix J. Additionally, any reference to an analysis, which is to be used to satisfy the emergency evacuation requirements of part 25, means a formal analysis document supported by data from tests or demonstrations. Terms such as “shall” and “must” are used only in the sense of ensuring applicability of this particular means of compliance when the acceptable means of compliance described herein is used.
Thermal/Acoustic Insulation Flame Propagation Test Method Details
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.
|25.856-2A||ANM-115||Installaiton of Thermal/Acoustic Insulation for Burnthrough Proctection||07-29-2008|
Certification Maintenance Requirements
This advisory circular (AC) provides guidance on the selection, documentation, and control of Certification Maintenance Requirements (CMR). This AC also provides a rational basis for coordinating the Maintenance Review Board (MRB), if the MRB process is used, and CMR selection processes to ensure premises made in the system safety analyses supporting the compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR) 25.1309, and other system safety rules (such as §§ 25.671, 25.783, 25.901, and 25.933) are protected in service. This AC describes an acceptable means, but not the only means, for selecting, documenting, and managing CMRs. Terms such as "shall" and "must" are used only in the sense of ensuring applicability of this particular means of compliance when the acceptable means of compliance described herein is used.