The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 5, 2026

Lycoming AEIO-360-A1B6

11 aircraft on the U.S. register carry a Lycoming AEIO-360-A1B6 engine, rated at about 200 horsepower. The Valmet Oy VALMET L70 VINKA is the model most often fitted with it (3 aircraft). The aircraft carrying it were built between 1973 and 2025.

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-A1B6. FAA spelling: AEIO-360-A1B6.

Fitted to model families

Valmet Oy VALMET L70 VINKA3American Champion Aircraft 8 Decathlon and Scout1Herring Henry H RV-71Scottish Aviation BULLDOG 1201Scottish Aviation BULLDOG MDL 120/1211Scottish Aviation BULLDOG MODEL 1251Scottish Aviation Bulldog BULLDOG BH 1201Scottish Aviation Ltd BULLDOG SER120MDL1251Zlin Aero A S Z242L1

Valmet Oy VALMET L70 VINKA · American Champion Aircraft 8 Decathlon and Scout · Herring Henry H RV-7 · Scottish Aviation BULLDOG 120 · Scottish Aviation BULLDOG MDL 120/121 · Scottish Aviation BULLDOG MODEL 125 · Scottish Aviation Bulldog BULLDOG BH 120 · Scottish Aviation Ltd BULLDOG SER120MDL125 · Zlin Aero A S Z242L

Where they are owner's state

Florida3Illinois2California2Michigan1Idaho1Georgia1Colorado1

Kind of aircraft

Piston singles11 (100%)

When the aircraft were built by decade

0124551970319802201012020

What the FAA has certified, ordered and been told about the Lycoming AEIO-360-A1B6 the component layer

The design is held under 1 type certificate (1E10, held by Lycoming Engines). The FAA has issued 28 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 191 failure reports with the FAA since 1995, 7 of them in the last ten years.

FAA orders 28 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
2015-11-032015-19-07 · Fuel injector fuel lines · engine
2012-10-242012-19-01 · Crankshafts · engine
2012-02-242012-03-06 · Fuel servo diaphragm · engine

All orders naming the Lycoming AEIO-360-A1B6

Failure reports 191 since · what operators and shops told the FAA

081522309500051015126

Parts most often reported as the reports name them

Control Cable42Impulse Coupling17Spring16Distributor Gear11Camshaft10Cable8Baffle5Magneto5Rivet5Gear4

Latest reports

2026-06-15Alternator: seized
2020-03-12Magneto: unserviceable
2019-05-15Impulse Coupling: loose
2019-05-15Impulse Coupling: loose
2019-04-30Rivet: loose

Certificates and bulletins

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

Safety bulletins 6 · 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
Where they are
Biggest operators
Airworthiness

These connections as data: /graph/engine/lycoming-aeio-360-a1b6.json · about the eFlight graph.

Aircraft newest certificates first · 11

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N242UR Zlin Aero A S
Z242L
Fixed-wing, single engine Skyborne Airline Academy INC
Vero Beach, Florida
Standard 2025-12-09 ValidFAA registration status code V: Valid registration. All codes
N875PM Herring Henry H
RV-7
Fixed-wing, single engine Individual owner
Florida
Experimental 2024-11-26 ValidFAA registration status code V: Valid registration. All codes
N19VN Valmet Oy
VALMET L70 VINKA
Fixed-wing, single engine Individual owner
Florida
Experimental 2023-09-28 ValidFAA registration status code V: Valid registration. All codes
N331SY Valmet Oy
VALMET L70 VINKA
Fixed-wing, single engine Torii Aviation LLC
Naperville, Illinois
Experimental 2023-07-14 ValidFAA registration status code V: Valid registration. All codes
N331VN Valmet Oy
VALMET L70 VINKA
Fixed-wing, single engine Individual owner
Michigan
Experimental 2023-07-13 ValidFAA registration status code V: Valid registration. All codes
N190J American Champion Aircraft
8KCAB
Fixed-wing, single engine Travel Services LLC
Metropolis, Illinois
Standard 2022-12-02 ValidFAA registration status code V: Valid registration. All codes
N9043A Scottish Aviation
BULLDOG MODEL 125
Fixed-wing, single engine Individual owner
Idaho
Experimental 2017-04-10 ValidFAA registration status code V: Valid registration. All codes
N525UK Scottish Aviation
BULLDOG MDL 120/121
Fixed-wing, single engine Individual owner
California
Experimental 2014-04-18 ValidFAA registration status code V: Valid registration. All codes
N138P Scottish Aviation Ltd
BULLDOG SER120MDL125
Fixed-wing, single engine Individual owner
California
Experimental 2013-07-01 ValidFAA registration status code V: Valid registration. All codes
N46678 Scottish Aviation Bulldog
BULLDOG BH 120
Fixed-wing, single engine Individual owner
Georgia
Experimental 2011-08-03 ValidFAA registration status code V: Valid registration. All codes
N575KM Scottish Aviation
BULLDOG 120
Fixed-wing, single engine Individual owner
Colorado
Experimental 2008-09-23 ValidFAA registration status code V: Valid registration. All codes

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.