Engines · piston (reciprocating) · data as of October 5, 2026

Lycoming AEIO-360 series

883 aircraft on the U.S. register carry a Lycoming AEIO-360 series engine, rated at about 180 horsepower. The American Champion Aircraft 8 Decathlon and Scout is the model most often fitted with it (270 aircraft). The aircraft carrying it were built between 1975 and 2013.

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Lycoming AEIO-360 series (2 codes). FAA spellings: AEIO-360 SER · AEIO-360 SER.

Fitted to model families

American Champion Aircraft 8 Decathlon and Scout270Bellanca 8 Decathlon and Scout161Great Lakes 284Mooney M-2035Aerotek PITTS S-2A27Moravan Z24213Avions Mudry Et Cie CAP 1012Bellanca 7 Citabria12Aerotek PITTS S-1T11Christen Industries Inc PITTS S-1T9Pitts S-19Aerotek PITTS SPECIAL S-1S8

American Champion Aircraft 8 Decathlon and Scout · Bellanca 8 Decathlon and Scout · Great Lakes 2 · Mooney M-20 · Aerotek PITTS S-2A · Moravan Z242 · Avions Mudry Et Cie CAP 10 · Bellanca 7 Citabria · Aerotek PITTS S-1T · Christen Industries Inc PITTS S-1T

Where they are owner's state

California110Texas79Florida69Washington38Arizona34Illinois29Delaware28Georgia25Ohio24Colorado24

Kind of aircraft

Piston singles881 (100%)Turboprops1 (0.1%)Helicopters1 (0.1%)

When the aircraft were built by decade

What the FAA has certified, ordered and been told about the Lycoming AEIO-360 series the component layer

The design is held under 1 type certificate (1E10, held by Lycoming Engines). The FAA has issued 23 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 30 failure reports with the FAA since 1995, 5 of them in the last ten years.

FAA orders 23 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine

2024-12-052024-21-02 · Engine (Reciprocating) · engine

2022-08-152022-16-03 · Engine (RECIPROCATING) · engine

2012-10-242012-19-01 · Crankshafts · engine

2012-02-242012-03-06 · Fuel servo diaphragm · engine

2011-08-162011-15-10 · Fuel servos · engine

All orders naming the Lycoming AEIO-360 series

Failure reports 30 since · what operators and shops told the FAA

Parts most often reported as the reports name them

Spar4Control Cable3Cylinder Head2Attach Fitting1Blade1Bolt1Bracket1Connector1Counterweight1Cylinder1

Latest reports

2025-03-12Leg Assy: sheared

2024-08-12Spark Plug: failed

2024-07-18Counterweight: worn

2019-04-19Spar: cracked

2018-09-19Cylinder Head: cracked

Certificates and bulletins

1E10Type certificate held by Lycoming Engines · 89 models listed · revised May 4, 2020

Safety bulletins 8 · advice, not orders

2019-05-02NE-19-08 · Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders

2016-05-13NE-08-32R1 · Propeller Governor Idler Gear Shaft Set Screw

2014-03-24NE-14-13 · Reciprocating Engine - Cylinder Mounting Studs

2008-09-10NE-06-32R1 · Reciprocating Engine - Crankshaft

2008-07-03NE-08-32 · Propeller Governor Set Screw

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how this engine series links to the rest of the register

Fitted to

American Champion Aircraft 8 Decathlon and Scout 270 with this engine series
Bellanca 8 Decathlon and Scout 161 with this engine series
Great Lakes 2 84 with this engine series
Mooney M-20 35 with this engine series
Aerotek PITTS S-2A 27 with this engine series
Moravan Z242 13 with this engine series
Avions Mudry Et Cie CAP 10 12 with this engine series
Bellanca 7 Citabria 12 with this engine series

Where they are

California 110 of these aircraft
Texas 79 of these aircraft
Florida 69 of these aircraft
Washington 38 of these aircraft
Arizona 34 of these aircraft

Biggest operators

Plane Fun INC Tr Trustee 7 of these aircraft
Southern Aircraft Consultancy INC Trustee 5 of these aircraft
Great Lakes Aircraft LLC 3 of these aircraft
Everything Pitts LLC 3 of these aircraft
Chandler Air Service INC 3 of these aircraft

Airworthiness

FAA orders naming the Lycoming AEIO-360 series 23 airworthiness directives
Failure reports on the Lycoming AEIO-360 series 30 reports since 1995

Analytics

These connections as data: /graph/engine/lycoming-aeio-360-series.json · about the eFlight graph.

Aircraft newest certificates first · 883

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N97GH	Howard Gregory G200	Fixed-wing, single engine	Individual owner Oregon	Experimental	1999-06-28	Valid
N52JS	Macdonald Robert Allen S-1S	Fixed-wing, single engine	Individual owner Arizona	Experimental	1999-06-14	Valid
N37LV	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Legros Aviation Services INC Crowley, Louisiana	Standard	1999-05-26	Valid
N3803F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner Washington	Standard	1999-01-28	Valid
N705RB	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner North Carolina	Standard	1999-01-26	Valid
N59AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner California	Standard	1998-09-25	Valid
N35SH	Kubinski David A CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner Washington	Experimental	1998-07-30	Valid
N31WK	Aviat Inc PITTS S-1T	Fixed-wing, single engine	Individual owner California	Standard	1998-07-28	Valid
N1225W	Champion 8KCAB	Fixed-wing, single engine	Individual owner Wisconsin	Standard	1998-06-16	Valid
N205JH	Harlan John M PITTS S1S/T	Fixed-wing, single engine	Individual owner Texas	Experimental	1998-05-27	Valid
N121GR	Aerotek PITTS S-2A	Fixed-wing, single engine	Individual owner California	Standard	1998-05-18	Valid
N5028V	Bellanca 8KCAB	Fixed-wing, single engine	Flying Lemur INC Alexandria, Virginia	Standard	1998-05-01	Valid
N556B	Hughes 269C	Rotorcraft	Kd Helicopters INC Shingleton, Michigan	Standard	1998-03-31	Valid
N145AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Co-owned owner Texas	Standard	1998-02-02	Valid
N87WA	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner New York	Standard	1998-01-27	Valid
N433TJ	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Georgia	Standard	1998-01-10	Valid
N55GG	Christen Industries Inc PITTS S-1T	Fixed-wing, single engine	All Attitude Aviation INC Edgewater, Florida	Experimental	1997-09-30	Valid
N322E	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner New Jersey	Standard	1997-09-17	Valid
N49312	Aerotek PITTS S-1T	Fixed-wing, single engine	Individual owner Kentucky	Standard	1997-08-30	Valid
N8RZ	Zantop/Zantop CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner Michigan	Experimental	1997-07-30	Valid
N69CZ	Vermeylen John B COZY MK IV	Fixed-wing, single engine	Individual owner Tennessee	Experimental	1997-06-17	Valid
N96HH	Staudacher Jon PITTS S1E	Fixed-wing, single engine	Individual owner Michigan	Experimental	1997-05-19	Valid
N615SS	Smith Stephen AVIAT EAGLE II	Fixed-wing, single engine	Individual owner Pennsylvania	Experimental	1997-03-17	Valid
N2656Z	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Arizona	Standard	1997-03-14	Valid
N6075L	Great Lakes 2T-1A-2	Fixed-wing, single engine	Chandler Air Service INC Chandler, Arizona	Standard	1997-02-19	Valid
N6247L	Great Lakes 2T-1A-2	Fixed-wing, single engine	Chandler Air Service INC Chandler, Arizona	Standard	1997-02-12	Valid
N5540K	Bellanca 8KCAB	Fixed-wing, single engine	Co-owned owner California	Standard	1997-01-14	Valid
N614KD	Dixon Kenneth P PITTS S2E	Fixed-wing, single engine	Individual owner Colorado	Experimental	1996-09-20	Valid
N94AX	Judd Howard/Vanhoy David GILES G-202	Fixed-wing, single engine	Co-owned owner California	Experimental	1996-09-04	Valid
N143GL	Liebert Glenn W CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner Ohio	Experimental	1996-08-27	Valid
N57280	Mooney M20J	Fixed-wing, single engine	Individual owner Michigan	Standard	1996-07-10	Valid
N242DK	Moravan Z242L	Fixed-wing, single engine	Inter Island Yachts INC Rncho Pls Vrd, California	Standard	1996-05-23	Valid
N35HR	Ross H E/Oranges B CHRISTEN EAGLE	Fixed-wing, single engine	Co-owned owner Washington	Experimental	1996-05-20	Valid
N116DH	Hoover W David CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner California	Experimental	1996-04-11	Valid
N17PE	Eberle Paul R AVIAT EAGLE II	Fixed-wing, single engine	Individual owner California	Experimental	1996-02-12	Valid
N1005E	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Connecticut	Standard	1995-10-31	Valid
N1119E	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Arizona	Standard	1995-10-13	Valid
N5041Q	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner California	Standard	1995-06-26	Valid
N2502Z	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Indiana	Standard	1994-11-03	Valid
N5062K	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner New Jersey	Standard	1994-07-06	Valid
N4011L	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner Michigan	Standard	1993-09-01	Valid
N180DD	Daniels David R RV-4	Fixed-wing, single engine	Individual owner Texas	Experimental	1993-08-27	Valid
N71BP	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner New Jersey	Standard	1993-03-03	Valid
N192JH	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Tennessee	Standard	1992-05-05	Valid
N842CS	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Alaska	Standard	1992-04-17	Valid
N321TD	Deakyne David W CHRISTEN EAGLE II	Fixed-wing, single engine	Co-owned owner Pennsylvania	Experimental	1992-03-31	Valid
N50271	Bellanca 8KCAB	Fixed-wing, single engine	Sawyer Johnson INC Osceola, Wisconsin	Standard	1992-03-05	Valid
N246K	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Georgia	Standard	1992-02-27	Valid
N3808F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Chandler Air Service INC Chandler, Arizona	Standard	1991-09-18	Valid
N38AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner California	Standard	1990-09-24	Valid
N396PC	Clark Patrick S PITTS S1 TM	Fixed-wing, single engine	Individual owner Texas	Experimental	1989-09-27	Valid
N161GL	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner Florida	Restricted	1989-06-19	Valid
N3SH	Hill Steven F CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner Florida	Experimental	1988-01-22	Valid
N700DR	Radwanski Dennis CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner Illinois	Experimental	1987-10-06	Valid
N5041U	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Montana	Standard	1987-03-19	Valid
N13XM	Mandley W James CHRISTEN EAGLE II	Fixed-wing, single engine	Co-owned owner Texas	Experimental	1987-02-06	Valid
N89WK	Latham Ralph G CHRISTIAN EAGLE II	Fixed-wing, single engine	Individual owner Alaska	Experimental	1987-01-23	Valid
N3742F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner Texas	Standard	1986-11-10	Valid
N22BU	Bruner/Ulmer CHRISTEN EAGLE II	Fixed-wing, single engine	Bruner Charles P JR Calabasas, California	Experimental	1986-07-31	Valid
N451KW	Bellanca 8KCAB	Fixed-wing, single engine	Kw Plastics Troy, Alabama	Standard	1986-03-06	Valid
N3676L	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner California	Standard	1986-01-15	Valid
N4198Y	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner New York	Standard	1985-12-06	Valid
N57259	Mooney M20J	Fixed-wing, single engine	Individual owner Florida	Standard	1984-10-02	Valid
N5183L	Wolstenholme Bob CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner Pennsylvania	Experimental	1984-06-19	Valid
N3775F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner California	Standard	1982-04-02	Valid
N5520K	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Washington	Standard	1980-02-01	Valid
N187PS	Pitts S-2A	Fixed-wing, single engine	Individual owner Missouri	Standard	1979-02-27	Valid
N69KW	Weeks S-1W	Fixed-wing, single engine	Individual owner Florida	Experimental	1978-02-23	Valid
N133RP	Powers ACRODUSTER II	Fixed-wing, single engine	Individual owner Wisconsin	Experimental	1975-10-07	Valid
N1159E	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Oregon	Standard		Pending cancellation
N202GP	Ward Gary P GILES G-202	Fixed-wing, single engine	Withheld at owner's request	Experimental		Pending
N2891Z	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Texas	Standard		Sale reported
N328CT	Therriault Chuck CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner New Hampshire	Experimental		Pending
N3812F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Great Lakes Aircraft LLC Palmer Lake, Colorado	Restricted		Valid
N40XP	Kucki Nick J PITTS S-1S	Fixed-wing, single engine	Individual owner Texas	Experimental		Pending
N5058L	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Ohio	Standard		Pending
N510LS	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Tennessee	Standard		Pending
N571SA	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Texas	Standard		Pending
N600PC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Colorado	Standard		Valid
N6262L	Great Lakes 2T-1A-2	Fixed-wing, single engine	Great Lakes Aircraft LLC Palmer Lake, Colorado	Standard		Valid
N7846S	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Texas	Standard		Pending
N80AM	Great Lakes 2T-1A-2	Fixed-wing, single engine	Great Lakes Aircraft LLC Palmer Lake, Colorado	Standard		Valid
N82DM	Avions Mudry Et Cie CAP 10B	Fixed-wing, single engine	Individual owner Massachusetts	Standard		Sale reported

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.