# Search: 172C Airworthiness directives: 39 matches in release 2026-11-04. Page 1. - [AD 68-19-05](https://openairdocs.org/ad/68-19-05.md): Utility Category Placard · Textron 172B, 172C, 172D and 3 more · Effective Sep 13, 1968 > Applies to Types 172B, **172C**, 172D, 172E, 172F, and 172G airplanes equipped with a Franklin Engine… - [AD 72-07-02](https://openairdocs.org/ad/72-07-02.md): Selector Value Placard · Cessna 172, 172A, 172B and 8 more · Effective Mar 25, 1972 > ["172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H (USAF T-41A)","172I… - [AD 71-18-01](https://openairdocs.org/ad/71-18-01.md): Fuel Selector Valve Placard · Cessna 172, 172A, 172B and 16 more · Effective Aug 31, 1971 > ["172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H (USAF T-41A)","172I… - [AD 74-04-01](https://openairdocs.org/ad/74-04-01.md): Aft Fuselage Bulkhead Assembly · Cessna 172, 172A, 172B and 16 more · Effective Feb 12, 1974 > ["172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H (USAF T-41A)","172I… - [AD 90-06-03 R1](https://openairdocs.org/ad/90-06-03-R1.md): Exhaust Heater/Muffler Assembly · Cessna 172, 172A, 172B and 16 more · Effective Mar 27, 1991 > ["172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H (USAF T-41A)","172I… - [AD 77-02-09](https://openairdocs.org/ad/77-02-09.md): Wing Flap System · Cessna 150, 150A, 150B and 61 more · Effective Feb 3, 1977 > …150J","150K","150L","150M","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H… - [AD 69-15-03](https://openairdocs.org/ad/69-15-03.md): Muffler Assembly · Lycoming O-320-A1A, A1B, A3A, A3B or Lycoming O-320-B1A, B1B… (D'Shannon Products STC SA135CE or 8 others) · Effective Aug 20, 1969 > ["170","170A","170B","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H (USAF… - [AD 73-17-01](https://openairdocs.org/ad/73-17-01.md): Fuel Transfer Pump Placard · Cessna 170, 170A, 170B and 53 more · Effective Aug 16, 1973 > ["170","170A","170B","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H (USAF… - [AD 74-06-02](https://openairdocs.org/ad/74-06-02.md): AVCON Mufflers · Lycoming 150 and160 hp Model O-320-( ) engine (Williams Robert or Barbara STC SA750CE or 3 others) · Effective Mar 18, 1974 > …150M","170","170A","170B","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H… - [AD 82-07-02](https://openairdocs.org/ad/82-07-02.md): Engine Crankcase Breather · Lycoming O-360-A1A engine and Hartzell HC-C2YK-1B/7666A-2… (Avcon Industries STC SA1324CE or 14 others) · Effective Apr 8, 1982 > ["170A","170B","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H (USAF T… - [AD 71-22-02](https://openairdocs.org/ad/71-22-02.md): Cracks In Nose Gear Fork · Cessna 150, 150A, 150B and 52 more · Effective Nov 9, 1971 > …150J","150K","150L","150M","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H… - [AD 83-17-06](https://openairdocs.org/ad/83-17-06.md): Aileron Balance Weights · Flap actuated aileron droop system (Sierra Industries STC SA1382WE or 5 others) · Effective Sep 1, 1983 > ["150D","150E","150F","150G","150H","150J","150K","150L","172","172A","172B","**172C**","172D","172E","172F (USAF… - [AD 2008-02-18](https://openairdocs.org/ad/2008-02-18.md): Pick-up collar support and nylon screws · BRS-172 parachute recovery system (Ballistic Recovery Systems STC SA01679CH or SA01999CH) · Effective Feb 28, 2008 > ["172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H (USAF T-41A)","172I… - [AD 68-17-04](https://openairdocs.org/ad/68-17-04.md): Stall Warning System · Cessna 150, 150A, 150B and 63 more · Effective Sep 7, 1968 > …150J","150K","150L","150M","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H… - [AD 73-23-07](https://openairdocs.org/ad/73-23-07.md): Defective Spar Attachment Fittings · Cessna 150, 150A, 150B and 68 more · Effective Nov 19, 1973 > …150J","150K","150L","150M","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H… - [AD 79-10-14 R1](https://openairdocs.org/ad/79-10-14-R1.md): Fuel Tank Venting · Cessna 140A, 150, 150A and 172 more · Effective May 30, 1988 > …150M","170","170A","170B","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H… - [AD 79-08-03](https://openairdocs.org/ad/79-08-03.md): Electrical System · Cessna 120, 140, 140A and 152 more · Effective Jun 6, 1979 > …150M","170","170A","170B","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H… - [AD 81-15-03](https://openairdocs.org/ad/81-15-03.md): Engine Inlet Air Filters · Replace existing engine induction air filter (Brackett Aero Filters STC SA693CE or SA71GL) · Effective Jul 20, 1981 > …150M","170","170A","170B","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H… - [AD 86-26-04](https://openairdocs.org/ad/86-26-04.md): Shoulder Harness Adjuster · Cessna Aircraft Company, The 120, 140, 140A and 134 more · Effective Jan 6, 1987 · superseded or historical > …170B","172 Model/Series (all)","172A","172B","**172C**","172D","172E","172F","172F (USAF T-41A)","172G… - [AD 2004-19-01](https://openairdocs.org/ad/2004-19-01.md): Upper shoulder harness adjusters · Cessna F150G, F150H, F150J and 129 more · Effective Nov 1, 2004 > …150K","170","170A","170B","172","172A","172B","**172C**","172D","172E","172F (USAF T-41A)","172G","172H… Next page: https://openairdocs.org/search.md?q=172C&type=ad&page=2 All collections: https://openairdocs.org/search.md?q=172C