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 21 candidate ADs: 0 confirmed, 21 possible, 0 excluded.
- Engine model not supplied — engine-constrained ADs surface as "possible".
- Propeller model not supplied — prop-constrained ADs surface as "possible".
Possible (21) 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 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 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 2002-12-07
PossibleAirworthiness Directives; Textron Lycoming Reciprocating Engines
Effective: Jul 3, 2002
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 98-02-08
PossibleAirworthiness Directives; Certain Textron Lycoming 320 and 360 Series Reciprocating Engines
Effective: Mar 30, 1998
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 98-01-06
PossibleAirworthiness Directives; Precision Airmotive Corporation Carburetors
Effective: Feb 13, 1998
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 93-19-04
PossibleAirworthiness Directives; PRECISION AIRMOTIVE (formerly Facet Aerospace Products (formerly Marvel-Schebler)) Model MA3, MA3A, MA3PA, MA3SPA, and MA4SPA Carburetors
Effective: Oct 18, 1993
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 90-04-06 R1
PossibleTEXTRON LYCOMING Models All Textron Lycoming Four Cylinder Piston Engines
Effective: May 28, 1991
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 80-04-03 R2
PossibleAVCO LYCOMING Model O-320-H, O-360-E, LO-360-E, TO-360-E and LTO-360-E Series Engines
Effective: Apr 25, 1988
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 80-14-07
PossibleAVCO LYCOMING Model O-320-H, O-360-E, LO-360-E Series Engines
Effective: Jul 7, 1980
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 80-06-05
PossibleAirworthiness Directives; SLICK ELECTRO, INC. Models and Associated Serial And Impulse Coupling Numbers
Effective: Mar 28, 1980
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 78-12-09
PossibleAVCO LYCOMING Model O-320-H Series Engines
Effective: Feb 20, 1979
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 77-20-07
PossibleAVCO LYCOMING Model O-320-H Series Engines
Effective: Aug 31, 1978
Basis:
- Source metadata suggests a family or all-models match; verify manually.
AD 78-12-08
PossibleAVCO LYCOMING Model O-320-H Series Engines
Effective: Jun 20, 1978
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 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 67-01-04
PossibleAirworthiness Directives; SUPERIOR FLOW: Applies to All Aircraft with Continental E185, E225, O-470, IO-470 and Lycoming O-320, O-360, and IO-360 Engines Incorporating Superior Flow Oil Filters
Effective: Jan 2, 1967
Basis:
- Source metadata suggests a family or all-models match; verify manually.
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