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
N173SD	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Mountain Aerobatics LLC Chesterfield, Missouri	Standard	2013-07-16	Valid
N2509Z	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Florida	Standard	2013-05-22	Valid
N789MA	American Champion Aircraft 8KCAB	Fixed-wing, single engine	S D 789 Partners LLC Batavia, Illinois	Standard	2013-05-22	Valid
N57252	Mooney M20J	Fixed-wing, single engine	Mooney Flyers LLC Crystal Lake, Illinois	Standard	2013-05-08	Valid
N1HM	Hardey/Mcdowell PITTS S2E	Fixed-wing, single engine	Individual owner Louisiana	Experimental	2013-04-16	Valid
N3702F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Buzjob Aviation LLC Los Angeles, California	Standard	2013-04-10	Valid
N17KH	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Co-owned owner Wisconsin	Standard	2013-03-06	Valid
N990G	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner California	Standard	2013-03-05	Valid
N175HD	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner Arkansas	Standard	2013-02-07	Valid
N491MA	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Belle Casa Sport LLC Tarpon Springs, Florida	Standard	2013-02-01	Valid
N298MA	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Southern Air Service INC Carbondale, Illinois	Standard	2013-01-31	Valid
N57W	Christen Industries Inc PITTS S-1T	Fixed-wing, single engine	Tj Air Holdings INC Trustee Wilmington, Delaware	Standard	2013-01-25	Valid
N4170Y	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Florida	Standard	2013-01-22	Valid
N2962Z	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner New York	Standard	2013-01-16	Valid
N44HK	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Minnesota	Standard	2013-01-10	Valid
N622AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Aj Aircraft LLC Yarmouth, Maine	Standard	2013-01-07	Valid
N1145T	Mooney M20J	Fixed-wing, single engine	Individual owner Illinois	Standard	2012-12-28	Valid
N20EM	Morrison Edward CHRISTEN EAGLEII	Fixed-wing, single engine	Individual owner Kentucky	Experimental	2012-12-03	Valid
N23WW	Wright-Wesser CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner Washington	Experimental	2012-11-09	Valid
N5038K	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Washington	Standard	2012-10-23	Valid
N1008C	Mooney M20J	Fixed-wing, single engine	Bat Flying LLC Blue Earth, Minnesota	Standard	2012-10-12	Valid
N202EW	Ward Brad GILES 202	Fixed-wing, single engine	Executive Sales and Leasing LLC Chetek, Wisconsin	Experimental	2012-08-28	Valid
N8074	Aerotek PITTS SPECIAL S-1S	Fixed-wing, single engine	Individual owner California	Standard	2012-08-07	Valid
N503DM	Bellanca 8KCAB	Fixed-wing, single engine	Co-owned owner Florida	Standard	2012-06-21	Valid
N7JB	American Champion Aircraft 8KCAB	Fixed-wing, single engine	B F Service INC Bloomington, Indiana	Standard	2012-06-19	Valid
N50508	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner California	Standard	2012-06-12	Valid
N827GL	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner Montana	Standard	2012-06-11	Valid
N465AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Blue Super D LLC Clark, New Jersey	Standard	2012-06-07	Valid
N6640V	Friedkin Thomas H CHRISTEN EAGLE II	Fixed-wing, single engine	Carlsbad Raceway CORP Hemet, California	Experimental	2012-06-06	Valid
N202BB	Ballou Fred L Jr GILES 202	Fixed-wing, single engine	Akro Atttudes INC Lighthouse Point, Florida	Experimental	2012-05-21	Valid
N3544L	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner South Carolina	Standard	2012-05-14	Valid
N84JD	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Co-owned owner South Dakota	Standard	2012-05-09	Valid
N46DC	Cline Douglas L CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner Washington	Experimental	2012-05-03	Valid
N43AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Thomas Air Service INC Hastings, Nebraska	Standard	2012-03-29	Valid
N67ND	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Withheld at owner's request	Standard	2012-03-13	Valid
N550WH	B&B Transport Inc CHRISTEN EAGLE II	Fixed-wing, single engine	Alligator INC Lawrence, Kansas	Experimental	2012-03-09	Valid
N11201	Mooney M20J	Fixed-wing, single engine	Individual owner Illinois	Standard	2012-03-02	Valid
N49332	Christen Industries Inc PITTS S-1T	Fixed-wing, single engine	Blue Eagle Pitts LLC Tempe, Arizona	Experimental	2012-02-02	Valid
N4182Y	Bellanca 7KCAB	Fixed-wing, single engine	Shouling & Philip Enterprise Lancaster, California	Standard	2012-01-03	Valid
N727MR	Bellanca 8KCAB	Fixed-wing, single engine	Unavex INC Pensacola, Florida	Standard	2011-12-20	Valid
N262AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Washington	Standard	2011-12-19	Valid
N5061K	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Minnesota	Standard	2011-12-16	Valid
N328MD	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Arizona	Standard	2011-12-07	Valid
N3661L	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner North Carolina	Standard	2011-12-05	Valid
N1LM	Abernathy Robert L STREAKER	Fixed-wing, single engine	Individual owner Georgia	Experimental	2011-11-02	Valid
N565MA	American Champion Aircraft 8KCAB	Fixed-wing, single engine	M & M Aviation LLC Memphis, Tennessee	Standard	2011-10-04	Valid
N50572	Bellanca 8KCAB	Fixed-wing, single engine	Ready Aim Flyer LLC New Castle, Delaware	Standard	2011-09-22	Valid
N2AE	Dickson-Phelps CHRISTIAN EAGLE II	Fixed-wing, single engine	Individual owner Florida	Experimental	2011-09-14	Valid
N561SD	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner South Carolina	Standard	2011-09-08	Valid
N205AB	Siai-Marchetti S.205-18R	Fixed-wing, single engine	Aircraft Guaranty CORP Trustee Oklahoma City, Oklahoma	Standard	2011-09-01	Valid
N444MM	Montgomery Mark CHRISTEN EAGLE II	Fixed-wing, single engine	Aircraft Guaranty CORP Trustee Oklahoma City, Oklahoma	Experimental	2011-08-30	Valid
N111LS	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Texas	Standard	2011-08-22	Valid
N1083E	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Kansas	Standard	2011-08-03	Valid
N1175E	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Oregon	Standard	2011-06-30	Valid
N111GP	Mooney M20J	Fixed-wing, single engine	Individual owner Texas	Standard	2011-06-21	Valid
N47L	Great Lakes 2T-1A-2	Fixed-wing, single engine	Co-owned owner North Carolina	Standard	2011-06-18	Valid
N242DG	Moravan Z242L	Fixed-wing, single engine	Wing Over Aerobatics LLC Weirsdale, Florida	Experimental	2011-06-14	Valid
N30SB	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Flare LLC Chattanooga, Tennessee	Standard	2011-06-14	Valid
N3604L	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner Texas	Standard	2011-06-08	Valid
N83DH	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner South Dakota	Standard	2011-06-06	Valid
N5038U	Bellanca 8KCAB	Fixed-wing, single engine	Butler Industries INC Amarillo, Texas	Standard	2011-05-14	Valid
N3807F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner Michigan	Standard	2011-04-21	Valid
N15WJ	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner California	Standard	2011-04-07	Valid
N31X	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Rhode Island	Standard	2011-03-14	Valid
N400AB	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Flydallasbay LLC Soddy Daisy, Tennessee	Standard	2011-01-31	Valid
N3800F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Individual owner Arizona	Standard	2011-01-25	Valid
N5060U	Bellanca 8KCAB	Fixed-wing, single engine	Co-owned owner Texas	Standard	2011-01-21	Valid
N249MA	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Queen City Flying LLC Helena, Montana	Standard	2011-01-11	Valid
N2877Z	Bellanca 8KCAB	Fixed-wing, single engine	Cliff Robinson Real Estate CORP Madison, Indiana	Standard	2011-01-11	Valid
N1009E	Bellanca 7KCAB	Fixed-wing, single engine	Individual owner Indiana	Standard	2010-12-13	Valid
N138AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Georgia	Standard	2010-12-13	Valid
N3806F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Skytours Aerial LLC Jackson, Michigan	Standard	2010-11-19	Valid
N5544K	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Texas	Standard	2010-09-28	Valid
N49337	Christen Industries Inc PITTS S-1T	Fixed-wing, single engine	Individual owner	Standard	2010-08-31	Valid
N49331	Pitts S-1T	Fixed-wing, single engine	Plane Fun INC Tr Trustee Snellville, Georgia	Standard	2010-08-11	Valid
N6AS	Vallee Dorothy T CHRISTEN EAGLE II	Fixed-wing, single engine	Individual owner Puerto Rico	Experimental	2010-07-23	Valid
N18NC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Florida	Standard	2010-07-09	Valid
N14GK	Kruggel Ewald G VANS RV-4	Fixed-wing, single engine	Co-owned owner California	Experimental	2010-06-29	Valid
N68ND	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Iowa	Standard	2010-06-29	Valid
N201ZW	Mooney M20J	Fixed-wing, single engine	Individual owner Florida	Standard	2010-06-23	Valid
N5049N	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner California	Standard	2010-04-22	Valid
N78BY	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Northwestern Michigan College Traverse City, Michigan	Standard	2010-03-31	Valid
N3703F	Great Lakes 2T-1A-2	Fixed-wing, single engine	Presby Aire LLC Berlin, New Hampshire	Standard	2010-01-20	Valid
N66PM	Bellanca 8KCAB	Fixed-wing, single engine	Majestic Air LLC Lowell, Michigan	Standard	2009-12-11	Valid
N12LM	Miller-Logan PITTS S2E	Fixed-wing, single engine	Individual owner Pennsylvania	Experimental	2009-12-07	Valid
N33BY	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Sellmeyer Flying Service Knobel, Arkansas	Standard	2009-10-06	Valid
N537AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Maryland	Standard	2009-08-24	Valid
N31456	Aerotek PITTS S-2A	Fixed-wing, single engine	Flying Time LLC Jenks, Oklahoma	Standard	2009-08-07	Valid
N4204Y	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Idaho	Standard	2009-07-30	Valid
N3G	Bucker-Jungmann E3B	Fixed-wing, single engine	Co-owned owner Montana	Experimental	2009-07-21	Valid
N5054G	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Arizona	Standard	2009-07-15	Valid
N965MA	American Champion Aircraft 8KCAB	Fixed-wing, single engine	First Aero Group LLC Wilmington, Delaware	Standard	2009-07-15	Valid
N653SM	Trice Dick CHRISTIAN EAGLE II	Fixed-wing, single engine	Individual owner Ohio	Experimental	2009-06-26	Valid
N81337	Aero Sport Inc LAZER 200	Fixed-wing, single engine	Bandito Aviation LLC Naples, Florida	Experimental	2009-06-08	Valid
N622CB	American Champion Aircraft 8KCAB	Fixed-wing, single engine	Individual owner Minnesota	Standard	2009-04-27	Valid
N2505Z	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner Colorado	Standard	2009-04-07	Valid
N633AC	American Champion Aircraft 8KCAB	Fixed-wing, single engine	J&S Recreational INC Evansville, Indiana	Standard	2009-03-30	Valid
N42396	Avions Mudry Et Cie CAP 10B	Fixed-wing, single engine	Individual owner Florida	Standard	2009-03-16	Valid
N242MZ	Moravan Z242L	Fixed-wing, single engine	Individual owner Maryland	Standard	2009-01-07	Valid
N5051Q	Bellanca 8KCAB	Fixed-wing, single engine	Individual owner California	Standard	2008-12-17	Valid

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.