Water, Slush, and Snow on the Runway
Provides background and guidelines concerning the operation of turbojet aircraft with water, slush, and/or snow on the runway.
Revised Powerplant Engineering Report No. 3A Standard Fire Test Apparatus and Procedure (for Flexible Hose Assemblies)
Announces the availability of the subject report.
Automatic Reporting Systems Altimeter Setting and Other Operational Data
Provides guidelines for the development and installation of automatic reporting systems for altimeter setting and other operational data intended for use in connection with IFR operations.
Use of Approach Slope Indicators for Pilot Training
This advisory circular informs pilot schools, flight instructors, and student IJilots of the recommendation of the Federal Aviation Administration for the use of approach slope indicator systems for pilot training.
Altimeter Setting Sources
Provides the aviation public and industry with guidelines for setting up reliable altimeter setting sources.
Cold Weather Operation of Aircraft
Provides background and guidelines relating to operation of aircraft in the colder climates where wide temperature changes may occur.
Small Propeller-Driven Air Taxi Airplanes that meet Sections 135.169 (formerly 135.144)
Provides a summary of and information on small propeller-driven air taxi airplanes that comply with section 135.169(b) and may continue operations under FAR 135 with ten or more passenger seats.
Rotorcraft External-Load Operations in Accordance with Federal Aviation Regulations Part 133
Provides information for persons interested in applying for a Rotorcraft External-Load Operator Certificate.
Planning and Design of Airport Terminal Facilities at Non-Hub Locations
Provides guidance material for the planning and design of airport terminal buildings at non-hub locations.
Note: Portions of this AC are under review for update. Please contact the National Planning and Environmental Division for assistance.
Because of the size of this document (5.28 MB), it is available as one large file (see Complete) or as several smaller files (see Parts 1-4).
Prevention of Retractable Landing Gear Failures
Updates statistical information related to landing accidents involving aircraft with retractable landing gear and suggests procedures to minimize those accidents.
Recommended Radiation Safety Precautions for Ground Operation of Airborne Weather Radar
Sets forth recommended radiation safety precautions for ground operation of airborne weather radar.
Airplane Flight manuals (AFM), Approved Manual Materials, Markings, and Placards Airplanes
Calls attention to the regulatory requirements relating to the subject and provides information to aid pilots to comply with these requirements.
Transport Category Airplanes Cabin Ozone Concentrations
Provides guidance concerning acceptable means, but not the only means, for an air carrier to demonstrate compliance with the maximum permissible cabin ozone (03) concentrations established by Section 121.578 of the Federal Aviation Regulations.
Communication Interference Caused by Unintentional Keyed Microphones
Alerts the aviation community to the potential hazards created by unintentional keying of microphones resulting in radio transmissions from airborne, mobile, and ground based radio transmitters and gives guidance on alleviating ensuing hazards.
Minimum Barometry for Calibration and Test of Atmospheric Pressure Instruments
Provides guidance material which may be used to determine the adequacy of barometers used in the calibration of aircraft static instruments and presents information concerning the general operation, calibration, and maintenance of such barometers.
Reduction of Electrical System Failures following Aircraft Engine Starting
Warns general aviation aircraft owner/pilots and maintenance personnel of possible total electrical system failure following aircraft engine starting.
Hazards of Waste Water Ice Accumulation Separating from Aircraft in Flight
This advisory circular emphasizes the potential hazards to life and property due to lavatory fluid and potable water systems’ ice accumulation and resultant separation from aircraft in flight.
Operational and Maintenance Practices for Emergency Locator Transmitters and Receivers
Combines and updates material in several Advisory Circulars on the subject of emergency locator transmitters (ELT) receivers for airborne service.
Operations of Large Airplanes Subject to Federal Aviation Regulations Part 125
Sets forth one means that would be acceptable to the Administrator to assist persons in complying with the requirements of FAR Part 125. It also provides (in Chapter 1) a test of applicability for those operations, which may be subject to Part 125.
Use of Radionavigation Land Test Station and Signal Generators
Gives information as to the frequencies on which the FAA will authorize and the FCC will license radionavigation land test stations. It also discusses the interference potential of signal generators operating in aeronautical bands of the radio spectrum and how this interference can be alleviated.
FAR Part 135 Icing Limitations
To provide guidance to commuter/air taxi operators to assist them to comply with Section 135.227.
Model Aircraft Operating Standards
Outlines, and encourages voluntary compliance with, safety standards for model aircraft operators.
Provides guidance as to acceptable methods for compliance with changes to the Federal Aviation Regulations 121.97(b) and 121.117(b).
Aircraft Position Light and Anticollision Light Installations
Sets forth acceptable means, but not the only means, of showing compliance with the Federal Aviation Regulations (FAR) applicable to installed position lights and anti-collision lights.
Air Carrier Security
Provides information and guidance for implementation of new FAR 108, Airplane Operator Security