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

Continental W670 series

987 aircraft on the U.S. register carry a Continental W670 series engine, rated at about 250 horsepower. The Boeing A75 Stearman Kaydet is the model most often fitted with it (345 aircraft). The aircraft carrying it were built between 1928 and 2026.

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 W670 series. FAA spelling: W670 SERIES.

Fitted to model families

Boeing A75 Stearman Kaydet345Waco UPF-7127Boeing B75 Stearman Kaydet120Cessna 19060Boeing E75 Stearman Kaydet59Boeing D7519Fairchild(Howard) M-6216Boeing PT-1715Jones Peter M BOEING/JONES 7513Curtiss Wright TRAVEL AIR 400011Grumman G-16411Waco ASO10

Boeing A75 Stearman Kaydet · Waco UPF-7 · Boeing B75 Stearman Kaydet · Cessna 190 · Boeing E75 Stearman Kaydet · Boeing D75 · Fairchild(Howard) M-62 · Boeing PT-17 · Jones Peter M BOEING/JONES 75 · Curtiss Wright TRAVEL AIR 4000

Where they are owner's state

Texas101California78Florida73Illinois57Delaware52Ohio40Georgia34Virginia33Washington30Pennsylvania27

Kind of aircraft

Piston singles986 (100%)Helicopters1 (0.1%)

When the aircraft were built by decade

What the FAA has certified, ordered and been told about the Continental W670 series the component layer

The design is held under 1 type certificate (TC 168, held by Teledyne Continental Motors). The FAA has issued 1 airworthiness directive (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 8 failure reports with the FAA since 1995, 3 of them in the last ten years.

FAA orders 1 airworthiness directives · newest first

53-09-04 · Propeller Blades · engine

Failure reports 8 since · what operators and shops told the FAA

Parts most often reported as the reports name them

Hinge Bracket4Bearing1Lock Nut1Shoe1Stringer1

Latest reports

2015-09-15Lock Nut: broken

2009-08-10Shoe: inoperative

2007-07-11Stringer: corroded

2004-05-25Hinge Bracket: corroded

Certificates and bulletins

TC 168Type certificate held by Teledyne Continental Motors · 2 models listed

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

Boeing A75 Stearman Kaydet 345 with this engine series
Waco UPF-7 127 with this engine series
Boeing B75 Stearman Kaydet 120 with this engine series
Cessna 190 60 with this engine series
Boeing E75 Stearman Kaydet 59 with this engine series
Boeing D75 19 with this engine series
Fairchild(Howard) M-62 16 with this engine series
Boeing PT-17 15 with this engine series

Where they are

Texas 101 of these aircraft
California 78 of these aircraft
Florida 73 of these aircraft
Illinois 57 of these aircraft
Delaware 52 of these aircraft

Biggest operators

Plane Fun INC Tr Trustee 11 of these aircraft
Eastern Stearman INC Trustee 8 of these aircraft
Aerospace Trust Management LLC Trustee 8 of these aircraft
Southern Aircraft Consultancy INC Trustee 6 of these aircraft
Independent Dusting Svc INC 5 of these aircraft

Airworthiness

FAA orders naming the Continental W670 series 1 airworthiness directives
Failure reports on the Continental W670 series 8 reports since 1995

Analytics

These connections as data: /graph/engine/continental-w670-series.json · about the eFlight graph.

Aircraft newest certificates first · 987

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N1902M	Boeing/Mountain View Air Rep A75N1	Fixed-wing, single engine	Co-owned owner New York	Standard	2002-09-17	Valid
N29908	Waco UPF-7	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2002-08-05	Valid
N46592	Boeing A75N1(PT17)	Fixed-wing, single engine	Brown Aviation LLC Warrenton, Virginia	Standard	2002-07-01	Valid
N54034	Boeing D75N1	Fixed-wing, single engine	Individual owner Texas	Restricted	2002-05-08	Valid
N1922M	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Kansas	Standard	2002-02-21	Valid
N79561	Boeing B75N1	Fixed-wing, single engine	Individual owner New Jersey	Standard	2001-12-05	Valid
N190VT	Cessna 190	Fixed-wing, single engine	Individual owner Illinois	Standard	2001-11-05	Valid
N11478	Waco QCF	Fixed-wing, single engine	Individual owner Tennessee	Standard	2001-09-14	Valid
N56878	Boeing A75N1(PT17)	Fixed-wing, single engine	Wingnuts LLC Swisher, Iowa	Standard	2001-06-13	Valid
N4689	Travel Air Mfg Co 2000	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2001-05-10	Valid
N9346A	Cessna 190	Fixed-wing, single engine	Individual owner Arkansas	Standard	2001-04-27	Valid
N29946	Waco UPF-7	Fixed-wing, single engine	Twenty INC Wilmington, Delaware	Restricted	2001-04-09	Valid
N671H	Travel Air D-4000	Fixed-wing, single engine	Ninety-Nines INC DBA Oklahoma City, Oklahoma	Standard	2001-03-21	Valid
N75662	Boeing A75N1	Fixed-wing, single engine	Von Maur INC Davenport, Iowa	Standard	2001-03-14	Valid
N32027	Waco UPF-7	Fixed-wing, single engine	Individual owner California	Standard	2000-12-14	Valid
N50176	Waco UPF-7	Fixed-wing, single engine	Co-owned owner Montana	Standard	2000-10-11	Valid
N11274	Waco UBF-2	Fixed-wing, single engine	Vintage Aero INC Duncan, Oklahoma	Standard	2000-10-04	Valid
N31674	Waco VKS-7F	Fixed-wing, single engine	Individual owner Texas	Standard	2000-09-19	Valid
N32137	Waco UPF-7	Fixed-wing, single engine	Individual owner California	Standard	2000-09-07	Valid
N30199	Waco UPF-7	Fixed-wing, single engine	Individual owner Florida	Standard	2000-08-02	Valid
N133RG	Waco UPF-7	Fixed-wing, single engine	R & R Aviation Supply INC Scottsville, Virginia	Multiple	2000-05-25	Valid
N190EC	Cessna 190	Fixed-wing, single engine	Individual owner Illinois	Standard	2000-05-04	Valid
N9215H	Boeing B75N1	Fixed-wing, single engine	Light Flight Balloons INC Street, Maryland	Standard	2000-04-21	Valid
N32080	Waco UPF-7	Fixed-wing, single engine	Wengair LLC Powell, Wyoming	Standard	2000-04-19	Valid
N49743	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Alabama	Standard	2000-01-11	Valid
N69620	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Florida	Standard	1999-10-04	Valid
N429G	Boeing A75	Fixed-wing, single engine	Individual owner North Carolina	Standard	1999-09-29	Valid
N1329M	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	1999-09-17	Valid
N66992	Boeing B75N1	Fixed-wing, single engine	Heritage Air Corps INC Des Plaines, Illinois	Standard	1999-06-24	Valid
N1342M	Boeing E75	Fixed-wing, single engine	Skys Unlymited INC Wilmington, Delaware	Standard	1999-06-15	Valid
N63585	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner California	Standard	1999-05-07	Valid
N49793	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Texas	Standard	1999-03-23	Valid
N607	Fairchild 24W-9	Fixed-wing, single engine	Individual owner Washington	Experimental	1999-03-20	Valid
N159CB	Boeing IB75A	Fixed-wing, single engine	Otto Aviation LTD Newark, Delaware	Standard	1999-03-04	Valid
N7058Q	Boeing A75N1(PT17)	Fixed-wing, single engine	American Airpower Heritage Flying Museum Dallas, Texas	Standard	1999-01-28	Valid
N4605V	Sikorsky R-4B	Rotorcraft	American Airpower Heritage Museum Dallas, Texas	Multiple	1998-09-24	Valid
N55553	Boeing A75N1(PT17)	Fixed-wing, single engine	Moonshadow Aviation INC Wilmington, Delaware	Standard	1998-09-11	Valid
N29996	Waco UPF-7	Fixed-wing, single engine	Individual owner Montana	Standard	1998-07-24	Valid
N10218	Grumman G-164	Fixed-wing, single engine	Individual owner California	Restricted	1998-06-30	Valid
N281Y	Haggerty Eugene J DAUNTLESS II	Fixed-wing, single engine	Individual owner Florida	Experimental	1998-06-26	Valid
N48190	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Florida	Standard	1998-06-18	Valid
N12237	Garland-Lincoln NIEUPORT	Fixed-wing, single engine	Individual owner California	Experimental	1998-06-11	Valid
N701RT	Boeing A75N1(PT17)	Fixed-wing, single engine	Thunderbird Aviation LLC Indianapolis, Indiana	Standard	1998-04-29	Valid
N11490	Waco QCF	Fixed-wing, single engine	Individual owner North Dakota	Standard	1998-04-14	Valid
N59293	Boeing B75N1	Fixed-wing, single engine	Co-owned owner Ohio	Standard	1998-03-17	Valid
N79650	Boeing E75N1	Fixed-wing, single engine	Individual owner Michigan	Standard	1997-10-31	Valid
N17694	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Florida	Standard	1997-08-18	Valid
N9737A	First Fighter Grp Flying Club FOCKE-WULF FW190	Fixed-wing, single engine	Individual owner Texas	Experimental	1997-08-07	Valid
N29962	Waco UPF-7	Fixed-wing, single engine	Individual owner California	Standard	1997-04-29	Valid
N34247	Boeing B75N1	Fixed-wing, single engine	Individual owner West Virginia	Restricted	1997-04-10	Valid
N52574	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Illinois	Standard	1997-03-31	Valid
N75567	Boeing B75N1	Fixed-wing, single engine	Vintage Flyers INC Benton, Kansas	Standard	1997-02-20	Valid
N29327	Waco UPF-7	Fixed-wing, single engine	Parker O'Malley Corporation Chatham, New York	Standard	1997-02-04	Valid
N610N	Waco CTO	Fixed-wing, single engine	Co-owned owner Florida	Standard	1997-01-29	Valid
N75647	Boeing E75N1	Fixed-wing, single engine	Individual owner Ohio	Standard	1997-01-27	Valid
N501V	Travel Air 4000	Fixed-wing, single engine	Individual owner Texas	Restricted	1996-11-15	Valid
N34342	Meyers OTW	Fixed-wing, single engine	Individual owner Illinois	Restricted	1996-06-27	Valid
N32497	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner North Carolina	Standard	1996-03-25	Valid
N1500D	Cessna 190	Fixed-wing, single engine	Individual owner Arizona	Standard	1996-02-12	Valid
N4410W	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Georgia	Standard	1996-02-03	Valid
N4637N	Boeing B75N1	Fixed-wing, single engine	Co-owned owner Texas	Restricted	1996-01-26	Valid
N54941	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Missouri	Standard	1995-11-30	Valid
N73410	Boeing B75N1	Fixed-wing, single engine	Eastern Stearman INC Trustee Leesburg, Virginia	Standard	1995-10-27	Valid
N81622	Husted Dean UB F-2R	Fixed-wing, single engine	Individual owner Ohio	Experimental	1995-09-29	Valid
N1315N	Boeing E75	Fixed-wing, single engine	Individual owner Washington	Standard	1995-08-05	Valid
N47897	Boeing D75N1	Fixed-wing, single engine	Individual owner Texas	Standard	1995-05-05	Valid
N397TH	Hegy Thomas R H-4000	Fixed-wing, single engine	Individual owner Wisconsin	Experimental	1995-01-28	Valid
N176H	White NEW STANDARD D-25	Fixed-wing, single engine	Rhinebeck Aerodrome Museum Rhinebeck, New York	Standard	1994-12-12	Valid
N19157	White NEW STANDARD D-25	Fixed-wing, single engine	Rhinebeck Aerodrome Museum Rhinebeck, New York	Standard	1994-10-20	Valid
N63W	Grumman G-164	Fixed-wing, single engine	Individual owner South Dakota	Restricted	1994-09-30	Valid
N1048M	Boeing B75N1	Fixed-wing, single engine	Individual owner Oklahoma	Standard	1994-09-26	Valid
N4419	Travel Air 4000	Fixed-wing, single engine	Individual owner Michigan	Restricted	1994-08-29	Valid
N5611N	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Michigan	Standard	1994-07-26	Valid
N14085	Waco UPF-7	Fixed-wing, single engine	Individual owner Ohio	Standard	1994-06-10	Valid
N2218G	Helgerson David A SKYBOLT	Fixed-wing, single engine	Individual owner Iowa	Experimental	1994-05-25	Valid
N55373	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Texas	Standard	1994-01-27	Valid
N75218	Boeing E75	Fixed-wing, single engine	Co-owned owner Illinois	Standard	1994-01-20	Valid
N341AA	Boeing A75N1	Fixed-wing, single engine	Individual owner Texas	Standard	1994-01-11	Valid
N67237	Boeing PT-17	Fixed-wing, single engine	Individual owner Idaho	Experimental	1993-09-23	Valid
N4318N	Cessna 190	Fixed-wing, single engine	Individual owner Utah	Restricted	1993-09-02	Valid
N64097	Fairchild(Howard) M-62C(PT-23A)	Fixed-wing, single engine	Yellowstone Aviation INC Jackson, Wyoming	Standard	1993-09-01	Valid
N29300	Waco UPF-7	Fixed-wing, single engine	Aeh Flying INC Cincinnati, Ohio	Standard	1993-08-31	Valid
N29337	Waco UPF-7	Fixed-wing, single engine	Individual owner Illinois	Standard	1993-04-28	Valid
N5345N	Boeing A75	Fixed-wing, single engine	Eastern Stearman INC Trustee Leesburg, Virginia	Standard	1993-02-18	Valid
N63360	Boeing B75N1	Fixed-wing, single engine	Individual owner California	Standard	1992-12-29	Valid
N64230	Fairchild(Howard) M-62C(PT-23A)	Fixed-wing, single engine	Co-owned owner Illinois	Standard	1992-11-19	Valid
N51034	Boeing IB75A	Fixed-wing, single engine	Individual owner Arizona	Standard	1992-11-18	Valid
N179M	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	1992-11-09	Valid
N38940	Boeing A75N1(PT17)	Fixed-wing, single engine	Eastern Stearman INC Trustee Leesburg, Virginia	Standard	1992-11-03	Valid
N14617	Waco UKC-S	Fixed-wing, single engine	Individual owner Michigan	Standard	1992-06-02	Valid
N32153	Waco UPF-7	Fixed-wing, single engine	Individual owner Florida	Standard	1992-05-22	Valid
N3993B	Jones Peter M BOEING/JONES 75	Fixed-wing, single engine	Individual owner Wisconsin	Standard	1992-03-16	Valid
N59044	Boeing D75N1	Fixed-wing, single engine	Individual owner Texas	Standard	1991-12-26	Valid
N61419	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Oregon	Standard	1991-10-25	Valid
N68978	Boeing PT-13D	Fixed-wing, single engine	Parker Omalley Aeroplane CO Chatham, New York	Standard	1991-09-30	Valid
N56374	Stinson L-5	Fixed-wing, single engine	Individual owner Texas	Restricted	1991-06-19	Valid
N56233	Boeing D75N1	Fixed-wing, single engine	Individual owner California	Standard	1991-03-14	Valid
N30127	Waco UPF-7	Fixed-wing, single engine	Individual owner Idaho	Standard	1990-08-17	Valid
N55436	Boeing A75	Fixed-wing, single engine	Individual owner Indiana	Standard	1990-08-16	Valid
N33NA	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Florida	Standard	1990-07-24	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.