AD 2026-04-11
PossibleAirworthiness Directives; Lycoming Engines
Effective: Apr 8, 2026
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD Lookup by Aircraft Configuration
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Evaluated 26 candidate ADs: 0 confirmed, 26 possible, 0 excluded.
- Engine model not supplied — engine-constrained ADs surface as "possible".
- Propeller model not supplied — prop-constrained ADs surface as "possible".
Possible (26) Source data suggests a match, but the applicability needs manual verification.
AD 2024-21-02
PossibleAirworthiness Directives; Lycoming Engines
Effective: Dec 5, 2024
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2022-16-03
PossibleAirworthiness Directives; Continental Aerospace Technologies, Inc., Lycoming Engines, and Textron Lycoming/Subsidiary of Textron, Inc. Reciprocating Engines
Effective: Aug 15, 2022
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2017-16-11
PossibleAirworthiness Directives; Lycoming Engines Reciprocating Engines
Effective: Aug 15, 2017
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2012-19-01
PossibleAirworthiness Directives; Lycoming Engines Reciprocating Engines
Effective: Oct 24, 2012
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2012-03-07
PossibleAirworthiness Directives; Lycoming Engines Reciprocating Engines
Effective: Mar 27, 2012
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2009-26-12
PossibleAirworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies
Effective: Feb 4, 2010
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2007-04-19R1
PossibleAirworthiness 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
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2006-12-07
PossibleAirworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies
Effective: Jul 11, 2006
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2006-10-21
PossibleAirworthiness Directives; Engine Components Incorporated (ECi) Reciprocating Engine Connecting Rods; Correction
Effective: Jun 16, 2006
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2005-19-11
PossibleAirworthiness 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
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2005-12-06
PossibleAirworthiness Directives; Teledyne Continental Motors (Formerly Bendix) S-20, S-1200, D-2000, and D-3000 Series Magnetos
Effective: Jul 19, 2005
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2004-10-14
PossibleAirworthiness Directives; Lycoming Engines (Formerly Textron Lycoming), Direct-Drive Reciprocating Engines; Correction
Effective: Jun 28, 2004
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 2004-05-24
PossibleAirworthiness Directives; Lycoming Engines (Formerly Textron Lycoming) AEIO-540, IO-540, LTIO-540, O-540, and TIO-540 Series Reciprocating Engines
Effective: Mar 30, 2004
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 99-04-04
PossibleAirworthiness Directives; Textron Lycoming Reciprocating Engines IO-540 and O-540 Engines Equipped With Slick Aircraft Products Magnetos
Effective: Feb 25, 1999
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 97-15-11
PossibleAirworthiness Directives; Avco Lycoming and Textron Lycoming Reciprocating Engines
Effective: Aug 12, 1997
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 96-09-10
PossibleAirworthiness Directives; Textron Lycoming Reciprocating Engines
Effective: Jul 15, 1996
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 95-07-01
PossibleAirworthiness Directives; Textron Lycoming O-360, LO-360, HO-360, HIO-360, TIO-360, LIO-360, AEIO-360, O-540, IO-540, TIO-540, LTIO-540, IVO-540, AEIO-540, TIO-541, and IO-720 Series Reciprocating Engines
Effective: Apr 12, 1995
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 92-12-05
PossibleTEXTRON 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
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 87-10-06 R1
PossibleTEXTRON 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
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 89-04-02
PossibleAirworthiness Directives; FACET AEROSPACE PRODUCTS, CO (MARVEL SCHEBLER): Applicability: Facet Models MA-4-5, MA-5, and MA-6AA Carburetors
Effective: Mar 8, 1989
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 75-08-09
PossibleLYCOMING 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
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 73-23-01
PossibleAVCO LYCOMING Model O-320 Series, IO-320 Series, O-360 Series, IO & HIO-360 Series, AIO-360 Series, TIO-360 Series, LIO-360 Series, GO-480-G1D6 Series, IGSO-480-A1E6 Series, IGO-540 Series, VO-540 Series, O-540-A1C5, -A1D5, -B1A5, -B2B5, -B4B5, -B2C5, -E4A5, -E4B5, -E4C5, G1A5 Series, IO-540-A1A5, -B1A5, -C1A5, -C4B5, -D4A5, -E1A5, -E1B5, -G1D5, J4A5, -K1A5, -K1B5, -K1C5, -K1E5, -K1E5D Series, TIO-540-A2B, -A2C, -C1A, TIO-540-J2BD Series, LIO-540 Series, IGSO-540 Series, TIO-541 Series, TIGO-541 Series, IO-720-A, -B and -C Series
Effective: Jan 13, 1977
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 69-24-03
PossibleAirworthiness Directives; MARVEL-SCHEBLER: Applies to Marvel Schebler Models MA-3-A, MA-3-PA, MA-3-SPA, MA-4-SPA, MA-4-5, MA-5, MA-4-5-AA, MA-6AA, and HA-6 Carburetors
Effective: Nov 29, 1969
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 66-06-03
PossibleLYCOMING Model IO-360-A1A Engines
Effective: Jan 16, 1969
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 63-22-03
PossibleAirworthiness Directives; MARVEL-SCHEBLER: Applies to All MA4-5 Carburetors Not Having the One-Piece Combination Primary and Main Venturi
Effective: Dec 2, 1963
Basis:
- Source metadata suggests a family or all-models match; verify manually.
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