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United States Department of Transportation United States Department of Transportation

Advisory Circulars (ACs)

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Advisory Circulars (ACs) search results
Number Title Status Office Date
135.169-1 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.

Active AIR-110 1979-09-24
135-9 FAR Part 135 Icing Limitations

To provide guidance to commuter/air taxi operators to assist them to comply with Section 135.227.

Active AFS-220 1981-05-30
135-17 Pilot Guide - Small Aircraft Ground Deicing (pocket)

Contains information and recommendations to assist pilots in conducting ground operations during weather conditions conducive to aircraft icing.

Active AFS-250 1994-12-14
135-14B Helicopter Air Ambulance Operations

Helicopters provide a means of transporting people in urgent need of medical assistance. These operations are unique due to the urgent nature of the flight.

Active AFS-200 2015-03-26
135-44 Part 135 Operator Aircraft Configuration Inspection

This AC provides information concerning the placement of aircraft into service for Title 14 of the Code of Federal Regulations (14 CFR) part 135 commuter and on demand operations.

Active AFS-300 2018-09-25
135-15 Emergency Medical Service/Airplane (EMS/A)

Provides information and guidance material which may be used by Air Ambulance and Emergency Medical Service/Airplane (EMS/A).

Active AFS-250 1990-11-19
135-16 Ground Deicing & Anti-icing Training & Checking

This AC provides one means, but not the only means, of complying with FAR Sections 135.227, 135.345, & 135.351 (referred to as the FAR Part 135 ground deicing rule).

Active AFS-250 1994-12-12
135-42 Extended Operations (ETOPS) and Operations in the North Polar Area

This advisory circular (AC) provides certificate holders with guidance for obtaining operational approval to conduct Extended Operations (ETOPS) under Title 14 of the Code of Federal Regulations (14 CFR) part 135.

Active AFS-220 2008-06-10
135-7B Part 135: Additional Maintenance Requirements for Aircraft Type Certificated for Nine or Less Passenger Seats

This advisory circular (AC) provides information for establishing methods acceptable to the Administrator for compliance with the additional maintenance requirements of Title 14 of the Code of Federal Regulations (14 CFR) part 135, § 135.421 for certain air carriers and commercial operators.

Active AFS-300 2016-08-11
135-4A 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.

Active ACS-100 1976-04-15