AC 25-22

Advisory circular · Certification of Transport Airplane Mechanical Systems

Approved
March 14, 2000
Last reviewed
January 30, 2020
Cancels
AC25-14
Family
AC 25-22 · 1 version
14 CFR parts
25

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed October 23, 2026.

Show pages 194–205
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SAE AS-1145A Aircraft Brake Temperature Monitor System (BTMS), 25.735 March 1, 1992 SAE-AS-1188 Aircraft Tire Inflation-Deflation Equipment, 25.733 April 1, 1993 SAE AS-1241B Fire Resistant Phosphate Ester Hydraulic Fluid for 25.1435 Aircraft, Feb. 18, 1992 SAE AS-4059 Cleanliness Classification for Hydraulic Fluids 25.1435 SAE-AS-4833 Aircraft New Tire Standard-Bias and Radial, June 1, 1995 25.733

SAE A-6 Committee has prepared the Aerospace Fluid Power 25.1435 Actuation & Control Technologies documents, related to methods for testing and measurement of fluid contamination.

SAE A-10 Committee has prepared the Aircraft Oxygen Equipment 25.1441, 25.1443, Handbook, 1992, or latest revision, containing all Aerospace 25.1445, 25.1447, Standards, Aerospace Recommended Practices, and Aerospace 25.1453 Information Reports related to oxygen equipment published by SAE

SAE publication “Aircraft Flight Control Actuation System Design,” 25.1435 by E. T. Raymond and C. C. Chenoweth

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APPENDIX 4

6. Miscellaneous References in this AC:

These documents provide additional information, guidance, and/or standards, and are available from the National Technical Information Service, 5285 Port Royal Road, Springfield, VA 22161, USA.

Number Title Section Reference

DOT/FAA/AR-96/122 Development of a Minimum Performance Standard 25.854 for Lavatory Trash Receptacle Automatic Fire Extinguishers, February 1997

DOT/FAA/CT-88/8-1 Aircraft Icing Handbook (three volumes) 25.1419

DOT/FAA/CT/83/1 FAA Technical Center Report, Analysis of 25.857 Dissipation of Gaseous Extinguisher Agents in Ventilated Compartments, May 1983

CAA Technical Development Report No. 146, Appendix I Evaluation of Flight Fire Protection Means 25.857 for Inaccessible Aircraft Baggage Compartments, June 1951

FAA Technical Report ADS-4 Engineering Summary of Airframe Icing 25.1419 Technical Data, Dec. 10, 1963

FAA Report FAA-AEQ-77-13 Ozone Concentration By Latitude, Altitude, 25.832 and Month, Near 80° West, August 1977

FAA Report FAA-AM-79-20 Effects of Ozone on Exercising and Sedentary 25.832 Adult Men and Women Representative of the Flight Attendant Population, October 1979

Generic Issue Paper PCARGOE.DOC, Protection of Critical Systems 25.855 & Equipment within Class E Cargo Compartments

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NPRM 89-31 Minimum Air Flow, Requirements, Fresh Air 25.831

NPRM 93-8 Determination of Allowable Worn Brake 25.735 L i m i t s

AD-93-07-15 Class B Fire Extinguishing Methods 25.857

The Tire and Rim Association, Inc. prepares a yearbook which lists aircraft tire 25.731 and rim sizes and ratings. 25.735 The address is: Tire and Rim Association, Inc.

175 Montrose West Ave., Suite 150 Copley, OH 44321, USA.

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APPENDIX 4

7. Cross Reference for Other Handbooks.

While not regulatory in nature, these handbooks contain information that may be of interest to an applicant. These documents provide additional information, guidance, and/or standards. Copies of the handbooks are available from the FAA Transport Airplane Directorate, 1601 Lind Ave. SW, Renton, WA 98055, USA.

Part 25 Airworthiness Standards: Transport Category Airplanes Mechanical Systems

Subpart B - Performance

Section

Subject Order 8110.8 AC 25-7A AC Draft Propulsion Handbook AC 25- 21 AC Draft Crashworthin ess Handbook AC Draft Electrical Systems Handbook AC Draft Mechanical Systems Handbook

25.109 Accelerate-stop distance x x x

25.125 Landing x x x

Subpart C - Structures

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Section

Subject Order 8110.8 AC 25-7A AC Draft Propulsion Handbook AC 25- 21 AC Draft Crashworthin ess Handbook AC Draft Electrical Systems Handbook AC Draft Mechanical Systems Handbook

25.581 Lightning protection x x

Subpart D - Design and Construction

Section

Subject Order 8110.8 AC 25-7A AC Draft Propulsion Handbook AC 25- 21 AC Draft Crashworthin ess Handbook AC Draft Electrical Systems Handbook AC Draft Mechanical Systems Handbook

Control Systems

25.671 General x x x

25.672 Stability augmentation x x

25.677 Trim systems x

25.699 Lift and drag device ind.

x

25.701 Flap interconnection x x x x

25.703 Takeoff warning system x

Landing Gear

25.729 Retracting mechanism x x x x

25.731 Wheels x x x

25.733 Tires x x

25.735 Brakes x x x x

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Personnel/Cargo Accommodation

25.773 Pilot compartment view x x x

25.783 Doors x x x

Ventilation and Heating

25.831 Ventilation x x

25.832 Cabin ozone concentration x

25.833 Combustion heating systems x

Pressurization

25.841 Pressurized cabins x x

25.843 Tests for pressurized cabins

x x

Section

Subject Order 8110.8 AC 25-7A AC Draft Propulsion Handbook AC 25- 21 AC Draft Crashworthin ess Handbook AC Draft Electrical Systems Handbook AC Draft Mechanical Systems Handbook

Fire Protection

25.851 Fire extinguishers x x

25.854 Lavatory fire protection x

25.855 Cargo or baggage compartments

x x

25.857 Cargo compartment classification x x

25.858 Cargo Compartment 191

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fire detection systems x

25.863 Flammable fluid fire protection

x x

25.865 Fire protection of flight controls

x

x

25.869 Fire protection:

systems x x x

Subpart E - Powerplant

Section

Subject Order 8110.8 AC 25-7A AC Draft Propulsion Handbook AC 25- 21 AC Draft Crashworthin ess Handbook AC Draft Electrical Systems Handbook AC Draft Mechanical Systems Handbook

General

25.943 Negative acceleration x x x

Fuel System Components

25.1001 Fuel jettisoning system x x x x

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Section

Subject Order 8110.8 AC 25-7A AC Draft Propulsion Handbook AC 25- 21 AC Draft Crashworthin ess Handbook AC Draft Electrical Systems Handbook AC Draft Mechanical Systems Handbook

Powerplant Fire Protection

25.1183 Flammable fluidcarrying components

x x

25.1185 Flammable fluids x x

25.1189 Shutoff means x x

Subpart F - Equipment

Section

Subject Order 8110.8 AC 25-7A AC Draft Propulsion Handbook AC 25- 21 AC Draft Crashworthiness Handbook AC Draft Electrical Systems Handbook AC Draft Mechanical Systems Handbook

General

25.1301 Function and installation x x x x x

25.1309 Equipment, system, & installation

x

x

x x

x

25.1316 System lightning protection x

x

25.1322 Warning, caution, & advisory

x

x

25.1351 System lightning protection x

x 193

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25.1359 Electrical system fire & smoke protection (now 25.869)

x

x

Safety Equipment

25.1419 Ice protection x x

Section

Subject Order 8110.8 AC 25-7A AC Draft Propulsion Handbook AC 25- 21 AC Draft Crashworthin ess Handbook AC Draft Electrical Systems Handbook AC Draft Mechanical Systems Handbook

Miscellaneous Equipment

25.1431 Electronic equipment x x x x

25.1433 Vacuum systems x

25.1435 Hydraulic systems x

25.1438 Pressurization & pneumatic systems

x

25.1439 Protective breathing equipment x

25.1441 Oxygen equipment and supply x

25.1443 Minimum mass flow of supplemental oxygen x

25.1445 Equipment standards for oxygen distributing system

x

25.1447 Equipment standards for oxygen dispensing units x

25.1449 Means for 194

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determining use of oxygen x

25.1450 Chemical oxygen generators x

25.1451 Fire protection:

oxygen equipment (now 25.869)

x

25.1453 Protection of oxygen equipment from rupture

x

25.1455 Draining of fluids subject to freezing

x

25.1461 Equipment containing high energy rotors x 195

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Subpart G- Operating Limitations

Section

Subject Order 8110.8 AC 25-7A AC Draft Propulsion Handbook AC 25- 21 AC Draft Crashworthin ess Handbook AC Draft Electrical Systems Handbook AC Draft Mechanical Systems Handbook

General

25.1529 Instructions for continued airworthiness

x

25.1541 Markings and placards x

25.1557 Miscellaneous markings and placards x

25.1581 Airplane flight manual x