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Advisory Circulars (ACs)

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Advisory Circulars (ACs) search results
Number Title Status Office Date
33.74/92-1B Turbine Engine Continued Rotation and Rotor Locking

This advisory circular (AC) provides guidance to demonstrate compliance with Title 14 of the Code of Federal Regulations (14 CFR), Section 33.74, Continued Rotation and Section 33.92, Rotor Locking Tests.

Active ANE-111 2016-06-23
33-11 Oxidation, Hot Corrosion, Thermal Fatigue, and Erosion Characteristics Testing to Support 14 CFR, Part 33, § 33.15, Compliancefor Turbine Engines

This advisory circular (AC) describes an acceptable method, but not the only method, to support certain comparative assessment compliance findings to Title 14 of the Code of Federal Regulations (14 CFR) part 33, § 33.15, Materials, for turbine engine projects.

Active ANE-111 2014-09-23
33.28-3 Guidance Material For 14 CFR §33.28, Engine Control Systems

This advisory circular (AC) provides guidance and describes acceptable methods, butnot the only methods, for demonstrating compliance with the engine control systems requirements of § 33.28 of Title 14 of the Code of Federal Regulations (14 CFR part 33) at amendment level 3326.

Active ANE-111 2014-05-23
33.19-1 Guidance Material for 14 CFR §33.19, Durability, for Reciprocating Engine Redesigned Parts

This advisory circular (AC) provides guidance and acceptable methods, but not the only methods, that may be used to demonstrate the redesigned parts for reciprocating engines comply with the requirements of §33.19 of Title 14 of the Code of Federal Regulations (14 CFR).

Active ANE-110 2004-09-27
33.47-1 Detonation Testing in Reciprocating Aircraft Engines

Provides guidance material for acceptable means of demonstrating compliance with the requirements of FAR Part 33, relating to detonation testing for reciprocating aircraft engines.

Active ANE-110 1988-06-27
33-6 Weld Repair of Aluminum Crankcases and Cylinders of Piston Engines - Including Change 1

This advisory circular (AC) provides guidance to demonstrate compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR) part 33, Airworthiness Standards: Aircraft Engines.

Active ANE-110 1994-12-20
33.15-1 Manufacturing Process of Premium Quality Titanium Alloy Rotating Engine Components

Provides guidance for compliance with the provisions under Title 14 under the Code of Federal Regulations, Part 33 (14 CFR 33) pertaining to the materials suitability and durability requirements, 33.15, as applicable to the manufacture of titanium alloy high energy rotating parts of aircraft engines.

Active ANE-110 1998-09-22
33.14-1 Damage Tolerance for High Energy Turbine Engine Rotors - Including Change 1

This advisory circular describes an acceptable means for showing compliance with the requirements of section 33.14 of the Federal Aviation Regulations (Title 14, Code of Federal Regulations).

Active ANE-110 2001-01-08
33.78-1 Turbine Engine Power-Loss and Instability in Extreme Conditions of Rain and Hail

Provides guidance and acceptable methods, but not the only methods, that may be used to demonstrate compliance with the requirements contained under Title 14 of the Code of Federal Regulations (14 CFR), part 33, sections 33.78(a)(2) and 33.78(c).

Active ANE-110 2000-02-08
33.83-1 Comparative Method to Show Equivalent Vibratory Stresses and High Cycle Fatigue Capability for Parts Manufacturer Approval of Turbine Engine and Auxiliary Power Unit Parts

This advisory circular (AC) describes a comparative test and analysis method that may be used for turbine engine or auxiliary power unit (APU) blades or vanes when produced under parts manufacturer approval (PMA).

Active ANE-111 2009-09-08
33.70-2 Damage Tolerance of Hole Features in High-Energy Turbine

This advisory circular (AC) provides definitions, guidance, and acceptable methods, but not the only methods, that may be used to demonstrate compliance with requirements in § 33.70 of Title 14 of the Code of Federal Regulations related to the integrity of engine life-limited parts.

Active AIR-600 2009-08-28
33-7A Guidance for 30-Second and 2-Minute One-Engine-Inoperative (OEI) Ratings for Rotorcraft Turbine Engines

This advisory circular (AC) provides guidance and acceptable means, but not the only means, for demonstrating compliance with the specific requirements applicable to 30-second and 2-minute One-Engine-Inoperative (OEI) rotorcraft turbine engine ratings in part 33 of Title 14 of the Code of Federal Regulations (14 CFR part 33).

Active ANE-111 2009-06-11
33-8 Guidance for Parts Manufacturer Approval of Turbine Engine and Auxiliary Power Unit Parts under Test and Computation

This advisory circular (AC) provides guidance for developing substantiation data to support the design approval of critical and complex turbine engine and auxiliary power unit (APU) parts produced under parts manufacturer approval (PMA).

Active ANE-111 2009-08-19
33.15-2 Manufacturing Processes for Premium Quality Nickel Alloy for Engine Rotating Parts

This advisory circular (AC) provides information and guidance on compliance with the nickel materials suitability and durability requirements in part 33 of Title 14 of the Code of Federal Regulations (14 CFR part 33).

Active ANE-111 2011-02-04
33.7-1 Ratings and Operating Limitations for Turbine Engines (Sections 33.7 and 33.8)

This advisory circular (AC) provides information and guidance on turbine engine compliance under part 33 of Title 14 of the Code of Federal Regulations (14 CFR), specifically §§ 33.7, Engine ratings and operating limitations, and 33.8, Selection of engine power and thrust ratings.

Active ANE-111 2010-06-28
33-2C General Type Certification Guidelines for Turbine Engines

This advisory circular (AC) provides general guidance concerning type certification projects for aircraft turbine engines.

Active ANE-111 2013-06-25
33.91-1 Engine System and Component Tests

This advisory circular (AC) provides guidance and acceptable methods, but not the only methods, that may be used to demonstrate compliance with the engine component and systems test requirements under Title 14 of the Code of Federal Regulations (14 CFR), part 33, specifically § 33.91, paragraphs (a) and (b).

Active ANE-111 2010-12-09
33.28-1 Compliance Criteria for 14 CFR §33.28, Aircraft Engines, Electrical and Electronic Engine Control Systems

This advisory circular (AC) provides guidance and acceptable methods, but not the only methods, that may be used to demonstrate compliance with 14 CFR 33.28, Electrical and Electronic Engine Control Systems.

Active ANE-110 2001-06-29
33-5 Turbine Engine Rotor Blade Containment/Durability

Provides guidance and acceptable methods, but not the only methods, that may be used by an applicant in showing compliance with the turbine engine rotor blade containment requirements of Part 33 of the Federal Aviation Regulations (FAR).

Active ANE-110 1990-06-18
33.4-3 Instructions for Continued Airworthiness, Aircraft Engine High Intensity Radiated Fields (HIRF) and Lightning Protection Features - Including Change 1

This advisory circular (AC) change updates the references provided in the original document. The AC change number and the date of the change are shown at the top of each applicable page.

Active ANE-111 2005-09-16
33.28-2 Guidance Material for 14 CFR 33.28, Reciprocating Engine, Electrical and Electronic Engine Control Systems

Provides guidance and acceptable methods, but not the only methods, that may be used by designers of reciprocating engine electronic control systems to demonstrate compliance with §33.28 of Title 14 of the Code of Federal Regulations (14 CFR 33.28), Electrical and electronic engine control systems.

Active ANE-110 2003-08-13
33.63-1 Turbine Engine Vibration

This advisory circular (AC) provides guidance and acceptable methods, but not the only methods, that may be used to demonstrate compliance with the vibration requirements of § 33.63 of Title 14 of the Code of Federal Regulations (14 CFR part 33).

Active ANE-110 2007-07-25
33.75-1A Guidance Material For 14 CFR 33.75, Safety Analysis (With Change 1)

This advisory circular (AC) provides guidance and describes acceptable methods, but not the only methods, for demonstrating compliance with the safety analysis requirements of § 33.75 of Title 14 of the Code of Federal Regulations (14 CFR).

Active ANE-111 2007-09-26
33.70-1 Guidance Material for Aircraft Engine Life-Limited Parts Requirements

This advisory circular (AC) provides definitions, guidance, and acceptable methods, but not the only methods, that may be used to demonstrate compliance with the engine life-limited parts integrity requirements of § 33.70 of Title 14 of the Code of Federal Regulations (14 CFR part 33).

Active AIR-600 2009-07-31
33.64-1 Guidance for Pressurized Engine Static Parts

This advisory circular (AC) provides definitions and guidance regarding compliance with the strength requirements for pressurized engine static parts in § 33.64 of Title 14 of the Code of Federal Regulations (14 CFR part 33).

Active ANE-111 2010-09-13
33.201-1 Extended Operations (ETOPS) Eligibility for Turbine Engines Active ANE-111 2010-01-21
33.27-1A Engine and Turbosupercharger Rotor Overspeed Requirements of 14 CFR § 33.27.

This advisory circular (AC) provides guidance and acceptable methods, but not the only methods, for demonstrating compliance with the rotor strength (overspeed) requirements of Title 14 of the Code of Federal Regulations (14 CFR) 33.27.

Active ANE-111 2011-07-18
33.90-1A Initial Maintenance Inspection (IMI), 14 CFR 33.90, Test for Turbine Engines

This advisory circular (AC) provides guidance to demonstrate compliance with Title 14 of the Code of Federal Regulations (14 CFR) 33.90, Initial Inspection Test.

Active ANE-111 2016-04-13
33.4-1 Instructions for Continued Airworthiness

Provides guidance on acceptable methods, but not the only methods, of compliance with section 33.4 of the Federal Aviation Regulations, Title 14, Code of Federal Regulations.

Active ANE-110 1999-08-27
33.4-2 Instructions for Continued Airworthiness: In-Service Inspection of Safety Critical Turbine Engine Parts at Piece-Part Opportunity

Instructions for Continued Airworthiness: In-Service Inspection of Safety Critical Turbine Engine Parts at Piece-Part Opportunity

Active ANE-110 2001-03-08
33.87-2 Comparative Endurance Test Method to Show Durability for Parts Manufacturer Approval of Turbine Engine and Auxiliary Power Unit Parts

Comparative Endurance Test Method to Show Durability for Parts Manufacturer Approval of Turbine Engine and Auxiliary Power Unit Parts

Active ANE-110 2009-06-25
33.17-1A Engine Fire Protection

This advisory circular (AC) provides definitions, guidance, and acceptable methods, but not the only methods, that may be used to demonstrate compliance with the engine fire protection requirements of Title 14 Code of Federal Regulations (14 CFR 33.17).

Active ANE-111 2009-08-03
33-9 Developing Data for Major Repairs of Turbine Engine Parts

a. This advisory circular (AC) provides information and guidance on developing the technical data needed for major repairs of critical and complex turbine engine parts.

Active AIR-600 2010-04-30
33.87-1A Engine Overtorque Test, Calibration Test, Endurance Test, and Teardown Inspection for Turbine Engine Certification (§§ 33.84, 33.85, 33.87, 33.93)

a. This advisory circular (AC) provides a method of compliance for the test requirements of Title 14, of the Code of Federal Regulations (14 CFR) 33.84 (engine overtorque test) when the applicant chooses to run that test as part of the endurance test of § 33.87.

Active ANE-111 2015-03-09