AD 2026-04-11
PossibleAirworthiness Directives; Lycoming Engines
Effective: Apr 8, 2026
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Evaluated 21 candidate ADs: 0 confirmed, 21 possible, 0 excluded.
Airworthiness Directives; Lycoming Engines
Effective: Apr 8, 2026
Airworthiness Directives; Lycoming Engines
Effective: Dec 5, 2024
Airworthiness Directives; Continental Aerospace Technologies, Inc., Lycoming Engines, and Textron Lycoming/Subsidiary of Textron, Inc. Reciprocating Engines
Effective: Aug 15, 2022
Airworthiness Directives; Lycoming Engines Reciprocating Engines
Effective: Aug 15, 2017
Airworthiness Directives; Lycoming Engines Fuel Injected Reciprocating Engines
Effective: Nov 3, 2015
Airworthiness Directives; Lycoming Engines Reciprocating Engines (Type Certificate previously held by Textron Lycoming Division, AVCO Corporation)
Effective: Mar 11, 2015
Airworthiness Directives; Superior Air Parts, Lycoming Engines (Formerly Textron Lycoming), and Continental Motors, Inc., Fuel-Injected Reciprocating Engines
Effective: Feb 24, 2012
Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies
Effective: Feb 4, 2010
Airworthiness Directives; Lycoming Engines IO, (L)IO, TIO, (L)TIO, AEIO, AIO, IGO, IVO, and HIO Series Reciprocating Engines, Teledyne Continental Motors (TCM) LTSIO-360-RB and TSIO-360-RB Reciprocating Engines, and Superior Air Parts, Inc. IO-360 Series Reciprocating Engines With Certain Precision Airmotive LLC RSA-5 and RSA-10 Series, and Bendix RSA-5 and RSA-10 Series, Fuel Injection Servos
Effective: Feb 9, 2009
Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000, SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and SL36006W
Effective: May 7, 2007
Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies
Effective: Jul 11, 2006
Airworthiness Directives; Lycoming Engines (Formerly Textron Lycoming), Direct-Drive Reciprocating Engines; Correction
Effective: Jun 28, 2004
Airworthiness Directives; Certain Textron Lycoming 320 and 360 Series Reciprocating Engines
Effective: Mar 30, 1998
Airworthiness Directives; Avco Lycoming and Textron Lycoming Reciprocating Engines
Effective: Aug 12, 1997
Airworthiness Directives; Textron Lycoming Reciprocating Engines
Effective: Dec 17, 1996
TEXTRON LYCOMING Models O-320, IO-320, LIO-320, AIO-320, AEIO-320, O-340, O-360, LO-360, HO-360, VO-360, IVO-360, IO-360, AIO-360, HIO-360, LHIO-360, LIO-360, AEIO-360, TO-360, LTO-360, TIO-360, O-480, GSO-480, IGSO-480, IGO-480, GO-480, O-540 (excluding models O-540-J and O-540-L), VO-540, IO-540 (excluding model IO-540-W), HIO-540, AEIO-540, IGSO-540, IGO-540, TVO-540, TIVO-540, IVO-540, TIO-540, LTIO-540, TIO-541, TIGO-541, and IO-720 Series Engines
Effective: Jul 10, 1992
TEXTRON LYCOMING Models All Textron Lycoming Four Cylinder Piston Engines
Effective: May 28, 1991
TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
Effective: Sep 1, 1989
Airworthiness Directives; SLICK ELECTRO, INC. Models and Associated Serial And Impulse Coupling Numbers
Effective: Mar 28, 1980
AVCO LYCOMING All fuel injected Lycoming series engines
Effective: Sep 26, 1979
AVCO LYCOMING All fuel injected Lycoming series engines
Effective: Nov 7, 1978
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