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

Continental R670-series

170 aircraft on the U.S. register carry a Continental R670-series engine, rated at about 225 horsepower. The Boeing A75 Stearman Kaydet is the model most often fitted with it (63 aircraft). The aircraft carrying it were built between 1928 and 1990.

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 Continental R670-series. FAA spelling: R670-SERIES.

Fitted to model families

Boeing A75 Stearman Kaydet63Boeing B75 Stearman Kaydet15Waco UPF-711Waco QCF7Waco UIC7Fairchild(Howard) M-626Waco UEC6Waco UBF5Boeing E75 Stearman Kaydet5Boeing 753Waco BSO3Curtiss Wright ROBIN2

Boeing A75 Stearman Kaydet · Boeing B75 Stearman Kaydet · Waco UPF-7 · Waco QCF · Waco UIC · Fairchild(Howard) M-62 · Waco UEC · Waco UBF · Boeing E75 Stearman Kaydet · Boeing 75

Where they are owner's state

Texas16California15Ohio14Washington10New York9Minnesota9Florida8Virginia7Wisconsin6Delaware6

Kind of aircraft

Piston singles170 (100%)

When the aircraft were built by decade

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

Fitted to

Boeing A75 Stearman Kaydet 63 with this engine series
Boeing B75 Stearman Kaydet 15 with this engine series
Waco UPF-7 11 with this engine series
Waco QCF 7 with this engine series
Waco UIC 7 with this engine series
Fairchild(Howard) M-62 6 with this engine series
Waco UEC 6 with this engine series
Waco UBF 5 with this engine series

Where they are

Texas 16 of these aircraft
California 15 of these aircraft
Ohio 14 of these aircraft
Washington 10 of these aircraft
New York 9 of these aircraft

Biggest operators

Southern Aircraft Consultancy INC Trustee 2 of these aircraft
Air Cav Helicopters LLC 2 of these aircraft
Yanks Air Museum 1 of these aircraft
Vintage Aero Collection INC 1 of these aircraft

Analytics

These connections as data: /graph/engine/continental-r670-series.json · about the eFlight graph.

Aircraft newest certificates first · 170

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N68296	Boeing A75N1(PT17)	Fixed-wing, single engine	Plane Fun INC Tr Trustee Snellville, Georgia	Standard	2014-04-08	Valid
N73617	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Oregon	Standard	2014-03-31	Valid
N27WE	Boeing B75N1	Fixed-wing, single engine	Hangar 39 LLC Culpeper, Virginia	Standard	2014-01-13	Valid
N743V	Fleet 7	Fixed-wing, single engine	Individual owner Washington	Restricted	2013-10-24	Valid
N69590	Fairchild M-62A-4	Fixed-wing, single engine	Easy Air LLC Wilmington, Delaware	Standard	2013-07-22	Valid
N1340X	Waco UIC	Fixed-wing, single engine	Individual owner Ohio	None on file	2013-06-25	Valid
N469N	Travel Air 4000	Fixed-wing, single engine	Dynamic Aviation Group INC Bridgewater, Virginia	Standard	2013-05-22	Valid
N49661	Boeing A75N1	Fixed-wing, single engine	Individual owner Minnesota	Standard	2013-03-05	Valid
N55762	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Illinois	Standard	2012-11-30	Valid
N762K	Waco DSO	Fixed-wing, single engine	Rare Aircraft LTD Faribault, Minnesota	Restricted	2012-08-08	Valid
N49986	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Virginia	Standard	2012-05-24	Valid
N13567	Waco UIC	Fixed-wing, single engine	Individual owner Indiana	Standard	2012-04-06	Valid
N9196R	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Texas	Standard	2012-04-02	Valid
N61627	Boeing A75N1(PT17)	Fixed-wing, single engine	Sterling Aviation Lexington, Kentucky	Standard	2012-02-16	Valid
N64202	Fairchild(Howard) M-62C(PT-23A)	Fixed-wing, single engine	Individual owner Michigan	Standard	2011-06-28	Valid
N34333	Meyers OTW	Fixed-wing, single engine	Individual owner Minnesota	Experimental	2011-01-18	Valid
N777GN	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner New York	Standard	2010-08-19	Valid
N65544	Boeing B75N1	Fixed-wing, single engine	Individual owner Washington	Standard	2010-05-06	Valid
N786K	Waco BSO	Fixed-wing, single engine	Individual owner Mississippi	Standard	2009-10-20	Valid
N13075	Waco UBF	Fixed-wing, single engine	Individual owner Oregon	Standard	2009-09-23	Valid
N69G	Boeing B75N1	Fixed-wing, single engine	Individual owner Kansas	Standard	2009-04-15	Valid
N32006	Waco UPF-7	Fixed-wing, single engine	T-28 INC Dover, Delaware	Standard	2008-08-11	Valid
N65580	Boeing A75N1(PT17)	Fixed-wing, single engine	Marlu Enterprises INC Foristell, Missouri	Standard	2007-08-21	Valid
N9048	Travel Air E-4000	Fixed-wing, single engine	Socal Travel Air LLC Newport Beach, California	Standard	2007-07-30	Valid
N58729	Ryan Aeronautical ST3KR	Fixed-wing, single engine	Individual owner Kansas	Experimental	2007-06-04	Valid
N57811	Boeing 75	Fixed-wing, single engine	Steel Jugs INC Huntington, New York	Standard	2006-12-18	Valid
N510N	Boeing A75N1(PT17)	Fixed-wing, single engine	Stewarts Aircraft Service INC Waynesville, Ohio	Standard	2006-10-12	Valid
N765K	Waco BSO	Fixed-wing, single engine	Individual owner Illinois	Restricted	2006-06-05	Valid
N3837K	Boeing B75N1	Fixed-wing, single engine	Individual owner Tennessee	Experimental	2006-01-13	Valid
N50091	Boeing A75N1(PT17)	Fixed-wing, single engine	Bart'S Flying Service INC Storm Lake, Iowa	Standard	2005-11-28	Valid
N220SS	Boeing B75N1	Fixed-wing, single engine	Golden Eagle Air LLC New Albany, Ohio	Standard	2005-07-18	Valid
N63588	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Virginia	Standard	2004-11-24	Valid
N211	Eaa Air Museum Foundation Inc SPIRIT OF ST. LOUIS	Fixed-wing, single engine	Experimental Aircraft Association INC Oshkosh, Wisconsin	Experimental	2004-03-16	Valid
N418RC	Boeing E75	Fixed-wing, single engine	Rob & Cheryl Pate Family Partnership LP Hilltop Lakes, Texas	Standard	2003-11-24	Valid
N9491H	Boeing E75	Fixed-wing, single engine	Individual owner Texas	Restricted	2003-10-29	Valid
N5558B	Frazee FOKKER DR-1	Fixed-wing, single engine	Individual owner California	Experimental	2003-09-10	Valid
N18613	Waco UEC	Fixed-wing, single engine	Yanks Air Museum Baldwin Park, California	Standard	2003-08-26	Valid
N51906	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Massachusetts	Standard	2003-02-25	Valid
N14020	Waco UKC	Fixed-wing, single engine	Individual owner Arizona	Standard	2002-02-14	Valid
N62134	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Nebraska	Standard	2001-12-04	Valid
N60332	Fairchild(Howard) M-62C(PT-23A)	Fixed-wing, single engine	Individual owner New Jersey	Standard	2001-09-10	Valid
N63739	Fairchild(Howard) M-62C(PT-23A)	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2001-04-16	Valid
N79500	Boeing B75N1	Fixed-wing, single engine	Individual owner North Carolina	Standard	2000-08-12	Valid
N11432	Waco UIC	Fixed-wing, single engine	Co-owned owner Ohio	Standard	2000-03-02	Valid
N660Y	Waco ULA	Fixed-wing, single engine	Individual owner Ohio	Standard	1999-06-28	Valid
N59810	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Texas	Restricted	1999-06-09	Valid
N818W	Bird CK	Fixed-wing, single engine	Individual owner Florida	Standard	1999-02-19	Valid
N60657	Boeing A75N1(PT17)	Fixed-wing, single engine	Stear Men INC Cumming, Georgia	Standard	1998-12-16	Valid
N69568	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Washington	Standard	1995-02-15	Valid
N13032	Waco UBA	Fixed-wing, single engine	Individual owner Ohio	Standard	1994-06-03	Valid
N13401	Waco PLA	Fixed-wing, single engine	Individual owner Ohio	Standard	1992-06-16	Valid
N7145	Curtiss Wright ROBIN	Fixed-wing, single engine	Antique Pres Assoc of Greenfield Ia Greenfield, Iowa	Standard	1992-04-21	Valid
N27933	Boeing 75	Fixed-wing, single engine	American Airpower Heritage Fly Museu Dallas, Texas	Standard	1991-09-09	Valid
N12471	Waco UEC	Fixed-wing, single engine	Co-owned owner Kansas	Standard	1990-02-08	Valid
N6070	Swallow SWALLOW	Fixed-wing, single engine	Museum of Flight Foundation Seattle, Washington	Experimental	1989-02-01	Valid
N55410	Boeing A75	Fixed-wing, single engine	Individual owner Michigan	Standard	1989-01-24	Valid
N75236	Boeing B75N1	Fixed-wing, single engine	Individual owner Oklahoma	Standard	1988-07-16	Valid
N11481	Waco QCF	Fixed-wing, single engine	Branin Air Service INC Morro Bay, California	Standard	1985-12-18	Valid
N152E	Waco UPF-7	Fixed-wing, single engine	Morozowsky John S Zanesville, Ohio	Standard	1984-07-31	Valid
N1708B	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Kansas	Restricted	1984-05-02	Valid
N14076	Waco UMF	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	1984-02-07	Valid
N42S	Boeing B75N1	Fixed-wing, single engine	Individual owner Wisconsin	Standard	1983-03-14	Valid
N55022	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Minnesota	Restricted	1980-10-06	Valid
N52143	Boeing E75	Fixed-wing, single engine	Individual owner Virginia	Standard	1977-08-30	Valid
N54248	Boeing A75L300	Fixed-wing, single engine	Individual owner Mississippi	Standard	1976-07-26	Valid
N796E	Waco BSO	Fixed-wing, single engine	Individual owner Washington	Restricted	1976-04-30	Valid
N49739	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Wisconsin	Standard	1975-01-22	Valid
N49728	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Oklahoma	Restricted	1967-11-28	Valid
N47658	Boeing A75N1(PT17)	Fixed-wing, single engine	Rucker Bros Flg Svc INC Burdett, Kansas	Restricted	1961-09-18	Valid
N75692	Boeing E75N1	Fixed-wing, single engine	Individual owner New York	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.