AD 2026-04-11
PossibleAirworthiness Directives; Lycoming Engines
Effective: Apr 8, 2026
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Evaluated 20 candidate ADs: 0 confirmed, 20 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 Fuel Injected Reciprocating Engines
Effective: Nov 3, 2015
Airworthiness Directives; Lycoming Engines Reciprocating Engines
Effective: Oct 24, 2012
Airworthiness Directives; Superior Air Parts, Lycoming Engines (Formerly Textron Lycoming), and Continental Motors, Inc., Fuel-Injected Reciprocating Engines
Effective: Feb 24, 2012
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; Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and LO-360 Series Reciprocating Engines
Effective: Apr 27, 2006
Airworthiness Directives; Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, LO-360, AEIO-540, IO-540, O-540, and TIO-540 Series Reciprocating Engines
Effective: Oct 21, 2005
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
AVCO LYCOMING Models AIO-360-A1A, -A2A, -A1B, -A2B, -B1B; AEIO-360-A1A, -A1B, -A1B6, -A2A, -A1C, -A2C, -A1D, -A1E, -A2B, -B1B, -B1D, -B1F, -B1F6, -B2F, -B2F6, -B4A, -H1A Engines
Effective: Jul 16, 1984
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
LYCOMING Model O-235, O-290, O-320, IO-320, LIO-320, O-360, IO-360, HO-360, HIO-360, VO-360-A1A, VO-360-A1B, VO-360-B1A, IVO-360-A1A, LIO-360, TIO-360, AIO-360, AEIO-360, O-540 and IO-540 Series Engines
Effective: Aug 18, 1977
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