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

Franklin 6A4165 series

770 aircraft on the U.S. register carry a Franklin 6A4165 series engine, rated at about 165 horsepower. The Stinson 108 Voyager and Station Wagon is the model most often fitted with it (658 aircraft). The aircraft carrying it were built between 1946 and 2001.

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 Franklin 6A4165 series. FAA spelling: 6A4165 SERIES.

Fitted to model families

Stinson 108 Voyager and Station Wagon658Universal Stinson 10886Bellanca 1413Cessna 1705Aeronca 152Aeronca S152Buck Robin F BUCKSTON B2+21Nord STAMPE SV4C1Runyan COOT-A1Temco T-35A1

Stinson 108 Voyager and Station Wagon · Universal Stinson 108 · Bellanca 14 · Cessna 170 · Aeronca 15 · Aeronca S15 · Buck Robin F BUCKSTON B2+2 · Nord STAMPE SV4C · Runyan COOT-A · Temco T-35A

Where they are owner's state

Alaska71California61Texas56Washington54Minnesota41Michigan34Florida30Oregon25Georgia25Oklahoma21

Kind of aircraft

Piston singles770 (100%)

When the aircraft were built by decade

What the FAA has certified, ordered and been told about the Franklin 6A4165 series the component layer

The design is held under 4 type certificates. No FAA order in the current files names this engine series. Operators and repair shops have filed 44 failure reports with the FAA since 1995, 11 of them in the last ten years.

Failure reports 44 since · what operators and shops told the FAA

Parts most often reported as the reports name them

Crankshaft6Gear3Engine2Exhaust Valve2Piston2Washer2Axle1Bearing1Bevel Gear1Bulb1

Latest reports

2018-11-13Gear: failed

2017-12-17Skin: cracked

2017-06-14Exhaust Valve: failed

2017-03-19Thru Bolt: sheared

2015-09-13Spar: cracked

Certificates and bulletins

E-244Type certificate held by Franklin Sp. Z.O.O. · 12 models listed · revised April 30, 2013

E9EAType certificate held by Franklin Sp. Z.O.O. · 12 models listed · revised April 30, 2013

E-238Type certificate held by Franklin Sp. Z.O.O. · 7 models listed · revised April 30, 2013

1E2Type certificate held by Franklin Sp. Z.O.O. · 6 models listed · revised April 30, 2013

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

Stinson 108 Voyager and Station Wagon 658 with this engine series
Universal Stinson 108 86 with this engine series
Bellanca 14 13 with this engine series
Cessna 170 5 with this engine series
Aeronca 15 2 with this engine series
Aeronca S15 2 with this engine series
Nord STAMPE SV4C 1 with this engine series

Where they are

Alaska 71 of these aircraft
California 61 of these aircraft
Texas 56 of these aircraft
Washington 54 of these aircraft
Minnesota 41 of these aircraft

Biggest operators

Sutton Aircraft Salvage LLC 3 of these aircraft
Aerospace Trust Management LLC Trustee 3 of these aircraft
Plane Fun INC Tr Trustee 2 of these aircraft
Ayresouth Aviation INC 2 of these aircraft

Airworthiness

Failure reports on the Franklin 6A4165 series 44 reports since 1995

Analytics

These connections as data: /graph/engine/franklin-6a4165-series.json · about the eFlight graph.

Aircraft newest certificates first · 770

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N692C	Stinson 108-3	Fixed-wing, single engine	Individual owner Alabama	Standard	1991-02-15	Valid
N9761K	Stinson 108-2	Fixed-wing, single engine	Individual owner Minnesota	Standard	1990-08-16	Valid
N745C	Universal Stinson 108-3	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	1990-08-13	Valid
N6986M	Stinson 108-3	Fixed-wing, single engine	Co-owned owner Texas	Standard	1990-06-25	Valid
N293C	Stinson 108-2	Fixed-wing, single engine	Individual owner Minnesota	Standard	1990-01-17	Valid
N6885M	Stinson 108-3	Fixed-wing, single engine	Co-owned owner Alaska	Standard	1990-01-09	Valid
N4029C	Stinson 108-3	Fixed-wing, single engine	Individual owner Texas	Standard	1989-09-14	Valid
N4066C	Stinson 108-3	Fixed-wing, single engine	Individual owner Florida	Standard	1989-09-01	Valid
N9847K	Stinson 108-2	Fixed-wing, single engine	Stirm Brian H Delphi, Indiana	Standard	1989-02-10	Valid
N602C	Stinson 108-3	Fixed-wing, single engine	Individual owner South Dakota	Standard	1988-12-15	Valid
N97415	Stinson 108	Fixed-wing, single engine	Individual owner New York	Standard	1988-07-28	Valid
N987D	Universal Stinson 108-2	Fixed-wing, single engine	Co-owned owner Washington	Standard	1988-07-26	Valid
N8462K	Stinson 108-1	Fixed-wing, single engine	Vand Flyve Klub INC Thief River Falls, Minnesota	Standard	1988-05-25	Valid
N9354K	Stinson 108-2	Fixed-wing, single engine	Individual owner Michigan	Standard	1988-02-26	Valid
N6361M	Stinson 108-3	Fixed-wing, single engine	Individual owner Michigan	Standard	1987-12-17	Valid
N6923M	Stinson 108-3	Fixed-wing, single engine	Individual owner Minnesota	Standard	1987-11-09	Valid
N108RC	Universal Stinson 108-2	Fixed-wing, single engine	Individual owner New York	Standard	1987-10-21	Valid
N6643M	Stinson 108-3	Fixed-wing, single engine	Individual owner California	Standard	1987-09-04	Valid
N502C	Stinson 108-3	Fixed-wing, single engine	Co-owned owner Oregon	Standard	1987-07-11	Valid
N6760M	Stinson 108-3	Fixed-wing, single engine	Individual owner California	Standard	1987-06-25	Valid
N6586M	Stinson 108-3	Fixed-wing, single engine	Co-owned owner Georgia	Standard	1987-04-10	Valid
N8836K	Stinson 108-2	Fixed-wing, single engine	Milan Air Service INC Milan, Michigan	Standard	1987-02-27	Valid
N328C	Universal Stinson 108-2	Fixed-wing, single engine	Individual owner Ohio	Standard	1987-02-02	Valid
N6309M	Stinson 108-3	Fixed-wing, single engine	Individual owner Washington	Standard	1987-01-28	Valid
N6746M	Stinson 108-3	Fixed-wing, single engine	Co-owned owner Texas	Standard	1985-05-13	Valid
N8035K	Stinson 108-2	Fixed-wing, single engine	Individual owner Colorado	Standard	1984-10-09	Valid
N909B	Temco T-35A	Fixed-wing, single engine	Swift Museum Foundation INC Athens, Tennessee	Experimental	1984-04-30	Valid
N6264M	Stinson 108-3	Fixed-wing, single engine	Individual owner Missouri	Standard	1983-11-02	Valid
N227C	Stinson 108-2	Fixed-wing, single engine	Individual owner Michigan	Standard	1983-09-21	Valid
N4150C	Stinson 108-3	Fixed-wing, single engine	Individual owner South Dakota	Standard	1982-12-14	Valid
N6577M	Stinson 108-3	Fixed-wing, single engine	Individual owner Ohio	Standard	1982-02-17	Valid
N955D	Universal Stinson 108-2	Fixed-wing, single engine	Co-owned owner California	Standard	1981-08-17	Valid
N6335M	Stinson 108-3	Fixed-wing, single engine	Individual owner Georgia	Standard	1981-07-28	Valid
N6108M	Stinson 108-3	Fixed-wing, single engine	Individual owner Missouri	Standard	1981-05-29	Valid
N6667M	Stinson 108-3	Fixed-wing, single engine	Individual owner Michigan	Standard	1980-08-14	Valid
N74482	Bellanca 14-13	Fixed-wing, single engine	Individual owner California	Standard	1980-02-07	Valid
N6059M	Stinson 108-3	Fixed-wing, single engine	Individual owner New Hampshire	Standard	1979-05-16	Valid
N6167M	Universal Stinson 108-3	Fixed-wing, single engine	Individual owner California	Standard	1979-03-02	Valid
N834C	Stinson 108-3	Fixed-wing, single engine	Individual owner California	Standard	1979-02-13	Valid
N4213C	Stinson 108-3	Fixed-wing, single engine	Individual owner Connecticut	Standard	1978-11-14	Valid
N943C	Stinson 108-3	Fixed-wing, single engine	Individual owner Washington	Standard	1978-10-06	Valid
N926D	Stinson 108-2	Fixed-wing, single engine	Individual owner California	Standard	1976-10-12	Valid
N9544K	Stinson 108-2	Fixed-wing, single engine	Individual owner Connecticut	Standard	1975-11-05	Revoked
N9543A	Cessna 170A	Fixed-wing, single engine	Co-owned owner Alaska	Standard	1975-02-28	Revoked
N9582K	Stinson 108-2	Fixed-wing, single engine	Individual owner Ohio	Standard	1974-07-24	Valid
N822C	Universal Stinson 108-3	Fixed-wing, single engine	Co-owned owner Oregon	Standard	1974-06-01	Valid
N4054C	Stinson 108-3	Fixed-wing, single engine	Individual owner Iowa	Standard	1973-10-30	Valid
N6779M	Stinson 108-3	Fixed-wing, single engine	Individual owner Minnesota	Standard	1973-07-12	Valid
N973C	Stinson 108-3	Fixed-wing, single engine	Individual owner Tennessee	Standard	1973-04-17	Valid
N4138C	Stinson 108-3	Fixed-wing, single engine	Individual owner Minnesota	Standard	1972-07-18	Valid
N8125K	Stinson 108-2	Fixed-wing, single engine	Co-owned owner Texas	Standard	1972-06-20	Valid
N6118M	Stinson 108-3	Fixed-wing, single engine	Individual owner Montana	Standard	1970-05-12	Valid
N6719M	Stinson 108-3	Fixed-wing, single engine	Individual owner Ohio	Standard	1968-01-17	Valid
N29TJ	Bellanca 14-13-2	Fixed-wing, single engine	Individual owner Pennsylvania	Standard		Pending
N4097C	Stinson 108-3	Fixed-wing, single engine	Individual owner Texas	Standard		Sale reported
N425C	Stinson 108-2	Fixed-wing, single engine	Individual owner Idaho	Standard		Pending
N6398M	Stinson 108-3	Fixed-wing, single engine	Individual owner Texas	Standard		Sale reported
N6518M	Stinson 108-3	Fixed-wing, single engine	Bas Part Sales LLC Greeley, Colorado	Standard		Valid
N6532M	Stinson 108	Fixed-wing, single engine	Individual owner Florida	Standard		Pending
N6725M	Stinson 108-3	Fixed-wing, single engine	Individual owner Colorado	Standard		Sale reported
N6987M	Stinson 108-3	Fixed-wing, single engine	Individual owner Texas	Standard		Pending
N74K	Stinson 108-2	Fixed-wing, single engine	Individual owner Delaware	Standard		Canceled
N802C	Stinson 108-3	Fixed-wing, single engine	Individual owner Washington	Standard		Sale reported
N839C	Stinson 108	Fixed-wing, single engine	Individual owner Texas	None on file		Canceled
N861C	Stinson 108-3	Fixed-wing, single engine	Individual owner Alabama	Standard		Sale reported
N9409K	Stinson 108-2	Fixed-wing, single engine	Individual owner South Dakota	Standard		Pending cancellation
N9553K	Stinson 108-2	Fixed-wing, single engine	Individual owner Oklahoma	Standard		Pending
N97108	Stinson 108-2	Fixed-wing, single engine	Individual owner Ohio	Standard		Pending
N97348	Stinson 108	Fixed-wing, single engine	Individual owner Arizona	Standard		Pending
N97438	Stinson 108	Fixed-wing, single engine	Individual owner Alaska	Standard		Pending

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.