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Number Office Title Date
20-99 ANM-100 Antiskid and Associated Systems
Provides an acceptable means, but not the only means, of complying with the requirement that anti-skid and associated systems must be designed so that no probable malfunction will result in a hazardous loss of braking or directional control of an airplane.
20-41A AIR-120 Substitute Technical Standard Order (TSO) Aircraft Equipment
Sets forth an acceptable means for complying with rules governing aircraft equipment installations in cases involving the substitution of technical standard order equipment for functionally similar TSO approved equipment.
120-32 AFS-223 Air Transportation of Handicapped Persons
Identifies some of the problems handicapped air travelers face and provides some guidelines to airline personnel to help alleviate these problems.
43-14 AFS-350 Maintenance of Weather Radar Radomes
Provides guidance material useful to repair facilities in the maintenance of weather radomes.
90-75 AFS-310 Strobe Light System Inspection
Advises the general aviation community of the importance of proper maintenance of capacitive discharge strobe light systems which are installed within or near fuel systems.
91-46 AFS-350 Gyroscopic Instruments - Good Operating Practices
Issued to re-emphasize to general aviation instrument-rated pilots the need to determine the proper operation of gyroscopic instruments, the importance of instrument crosschecks and proficiency in partial-panel operations.
25.253-1A ANM-110A High-Speed Characteristics
Sets forth an acceptable means, but not the only means, by which compliance may be shown with FAR 25.253 during certification flight tests.
20-96 AIR-200 Surplus Military Aircraft: A Briefing for Prospective Buyers
Provides many answers to questions regarding the purchasing of surplus military aircraft (type certification, is the aircraft flyable, is it sold for spare parts, scrap?).
20-43C AFS-340 Aircraft Fuel Control
Alerts the aviation community to the potential hazards of inadvertent mixing or contamination of turbine and piston fuels, and provides recommended fuel control and servicing procedures.
120-30A AFS-830 Reporting Requirements of Air Carriers, Commercial Operators, Travel Clubs, and Air Taxi Operators of Large and Small Aircraft
Clarifies the mechanical reliability reporting requirements contained in Parts 121, 127, and 135 of the Federal Aviation Regulations (FAR) and the accident and incident reporting requirements of Part 830 (old Part 430) of the National Transportation Safety Board (NTSB), Safety Investigation Regulations.
145-2 AFS-340 Repair Station Limited Ratings Beech 18 Series Aircraft
Advises of a required limited repair station rating to perform X-ray inspection of the Beech 18 wing and center section spar, and of the procedures for application.
135-4A ACS-100 Aviation Security: Air Taxi Commercial Operators (ATCO)
Provides recommended security measures applicable to ATCO operations that should minimize the effects of crimes directed against air transportation.
43-11 AFS-340 Reciprocating Engine Overhaul Terminology and Standards
CHANGE 1 (03-30-2007)
65-12A AFS-630 [Large AC] Airframe and Powerplant Mechanics Powerplant Handbook

Designed to familiarize student mechanics with the construction, theory of operation, and maintenance of aircraft powerplants. SN 050-007-00373-1

65-15A AFS-630 [Large AC] Airframe and Powerplant Mechanics Airframe Handbook

Designed to familiarize student mechanics with airframe construction, repair, and the operating theory of airframe systems. SN 050-007-00391-9

150/5050-4 APP-400 Citizen Participation in Airport Planning

Provides guidance for citizen involvement in airport planning. Although not mandatory for airport grant programs, it explains the need for early citizen participation.

Note: Portions of this AC are under review for update. Please contact the appropriate Regional Office or Airports District Office for assistance.

20-33B AIR-100 Technical Information Regarding Civil Aeronautics Manuals 1, 3, 4a, 4b, 5, 6, 7, 8, 9, 13, and 14
Advises the public that policy information contained in the subject Civil Aeronautics Manuals may be used in conjunction with specific sections of the Federal Aviation Regulations.
90-58C AFS-310 VOR Course Errors Resulting from 50 kHz Channel Mis-Selection
Provides information concerning a potentially hazardous situation when a 200 channel VOR receiver is inadvertently mistuned by 50 kHz from the frequency of a 100 kHz ground station.
20-56A AIR-120 Marking of TSO-C72b Individual Flotation Devices
Outlines acceptable methods for marking individual flotation devices which also serve as seat cushions
90-45A AFS-400 Approval of Area Navigation Systems for use in the U.S. National Airspace System

Provides guidelines for implementation of two-dimensional area navigation (2D RNAV) within the U.S. National Airspace System (NAS). Provides for both VOR/DME dependent systems and self-contained systems such as Inertial Navigation Systems (INS).

AC 20-138C - Airworthiness Approval of Positioning and Navigation Systems supersedes the airworthiness considerations in AC 90-45A, Approval of Area Navigation Systems for use in the U.S. National Airspace System. Equipment previously approved per the airworthiness guidance in AC 90-45A is still valid for the operations and conditions stated in their approvals.


00-6A AFS-400 Aviation Weather For Pilots and Flight Operations Personnel
Provides an up-to-date and expanded text for pilots and other flight operations personnel whose interest in meteorology is primarily in its application to flying.
00.34A AFS-340 Aircraft Gound Handling and Servicing
This advisory Circular contains information and guidance for the servicing and ground handling aircraft.
00-34A AFS-340 Aircraft Gound Handling and Servicing 07-29-1974
61-9B AFS-630 Pilot Transition Courses for Complex Single Engine and Light, Twin-Engine Airplanes
A guide to the procedures and standards to be followed for a thorough and comprehensive checkout in modern single- and twin-engine aircraft. SN 050-007-00226-2
91-37A AFS-820 Truth in Leasing
Provides information and guidance for lessees and conditional buyers of U.S. registered large civil aircraft. If you are planning to charter an airplane take a moment to learn about chartered and leased aircraft.
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