AD 2026-04-11
PossibleAirworthiness Directives; Lycoming Engines
Effective: Apr 8, 2026
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Evaluated 5 candidate ADs: 0 confirmed, 5 possible, 0 excluded.
Airworthiness Directives; Lycoming Engines
Effective: Apr 8, 2026
Airworthiness Directives; Superior Air Parts, Lycoming Engines (Formerly Textron Lycoming), and Continental Motors, Inc., Fuel-Injected Reciprocating Engines
Effective: Feb 24, 2012
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. Magnetos
Effective: Aug 6, 1981
Airworthiness 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
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