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
N59260	Boeing D75N1	Fixed-wing, single engine	Co-owned owner Kansas	Standard	2014-03-05	Valid
N4498N	Boeing B75N1	Fixed-wing, single engine	14 Halo Flight LLC Sugar City, Idaho	Standard	2014-02-28	Valid
N9370A	Cessna 190	Fixed-wing, single engine	Individual owner Indiana	Standard	2014-02-25	Valid
N65754	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner North Carolina	Restricted	2014-02-14	Valid
N60555	Boeing D75N1	Fixed-wing, single engine	Individual owner Massachusetts	Standard	2014-02-04	Valid
N17701	Waco ZKS-7	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2014-01-14	Valid
N39754	Waco UPF-7	Fixed-wing, single engine	Cape May Biplane Tours LLC Cape May, New Jersey	Standard	2014-01-08	Valid
N61467	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2014-01-08	Valid
N61194	Boeing E75N1	Fixed-wing, single engine	Individual owner North Dakota	Standard	2013-12-31	Valid
N64965	Boeing B75N1	Fixed-wing, single engine	Individual owner Arizona	Standard	2013-12-16	Valid
N69389	Boeing B75N1	Fixed-wing, single engine	Moore Enterprises Leasing INC Indianapolis, Indiana	Standard	2013-12-09	Valid
N214CJ	Boeing E75	Fixed-wing, single engine	Co-owned owner Oklahoma	Standard	2013-11-21	Valid
N79466	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Indiana	Standard	2013-11-15	Valid
N10471	Adcox Special STUDENT PRINCE	Fixed-wing, single engine	Individual owner Washington	Experimental	2013-10-24	Valid
N63896	Fairchild(Howard) M-62C(PT-23A)	Fixed-wing, single engine	Individual owner Texas	Standard	2013-10-23	Valid
N49713	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2013-10-22	Valid
N2291	Waco UPF-7	Fixed-wing, single engine	Co-owned owner Virginia	Standard	2013-09-27	Valid
N52549	Boeing A75L3	Fixed-wing, single engine	Co-owned owner Washington	Restricted	2013-09-06	Valid
N52022	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Michigan	Standard	2013-09-05	Valid
N8543	Waco BSO	Fixed-wing, single engine	Western Antique Aeroplane & Automobile Museum Hood River, Oregon	Restricted	2013-08-26	Valid
N481Y	Grumman G-164	Fixed-wing, single engine	Kyle e Rich INC Sumner, Iowa	Restricted	2013-05-09	Valid
N31671	Waco VKS-7F	Fixed-wing, single engine	Individual owner California	Standard	2013-05-07	Valid
N52673	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Florida	Standard	2013-04-29	Valid
N7496	Curtiss Wright ROBIN	Fixed-wing, single engine	Individual owner Guam	Standard	2013-04-16	Valid
N13050	Waco UEC	Fixed-wing, single engine	Plane Fun INC Tr Trustee Snellville, Georgia	Standard	2013-04-04	Valid
N9032	Curtiss Wright TRAVEL AIR 4000	Fixed-wing, single engine	Individual owner California	Standard	2013-02-28	Valid
N29952	Waco UPF-7	Fixed-wing, single engine	Individual owner Indiana	Standard	2013-02-20	Valid
N32023	Waco UPF-7	Fixed-wing, single engine	Individual owner Washington	Standard	2013-02-15	Valid
N4864N	Boeing A75	Fixed-wing, single engine	Individual owner Texas	Standard	2013-02-12	Valid
N69822	Timm N2T-1	Fixed-wing, single engine	Individual owner Minnesota	Standard	2013-01-28	Valid
N52127	Boeing E75	Fixed-wing, single engine	M&M Aviation LLC Memphis, Tennessee	Standard	2013-01-15	Valid
N158E	Waco UPF-7	Fixed-wing, single engine	Individual owner Illinois	Standard	2013-01-11	Valid
N4937N	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner California	Standard	2013-01-02	Valid
N11253	Waco ASO	Fixed-wing, single engine	Individual owner Kentucky	Standard	2012-12-28	Valid
N556DM	Boeing B75N1	Fixed-wing, single engine	Individual owner Iowa	Standard	2012-12-14	Valid
N57414	Boeing B75N1	Fixed-wing, single engine	Co-owned owner California	Experimental	2012-11-30	Valid
N4323V	Cessna 190	Fixed-wing, single engine	Individual owner California	Standard	2012-11-28	Valid
N60HW	Boeing A75N1	Fixed-wing, single engine	Plane Fun INC Tr Trustee Snellville, Georgia	Standard	2012-11-05	Valid
N73694	Boeing PT-27	Fixed-wing, single engine	Individual owner Oregon	Standard	2012-10-10	Valid
N700JW	Mooney Dan W LIBERTY DS-1	Fixed-wing, single engine	Individual owner Minnesota	Experimental	2012-10-05	Valid
N3993P	Jones Peter M BOEING/JONES 75	Fixed-wing, single engine	Individual owner Florida	Standard	2012-09-27	Valid
N2091K	Waco UBF	Fixed-wing, single engine	Individual owner Missouri	Standard	2012-09-24	Valid
N8870	Travel Air 4000	Fixed-wing, single engine	East Hampton Air LLC Wainscott, New York	Standard	2012-09-12	Valid
N14031	Waco UMF	Fixed-wing, single engine	Maya Aviation LLC Lee, New Hampshire	Standard	2012-09-10	Valid
N29988	Waco UPF-7	Fixed-wing, single engine	Individual owner Ohio	Standard	2012-08-22	Valid
N13027	Waco UBF	Fixed-wing, single engine	Western Antique Aeroplane & Automobile Museum Hood River, Oregon	Standard	2012-07-13	Valid
N51212	Boeing A75N1	Fixed-wing, single engine	Conntours LLC Colonial Beach, Virginia	Standard	2012-07-11	Valid
N5114N	Boeing B75N1	Fixed-wing, single engine	Individual owner California	Standard	2012-07-09	Valid
N29982	Waco UPF-7	Fixed-wing, single engine	Individual owner Florida	Standard	2012-06-18	Valid
N62917	Boeing A75N1(PT17)	Fixed-wing, single engine	Tcu Investments INC Waukesha, Wisconsin	Standard	2012-06-11	Valid
N11470	Waco QDC	Fixed-wing, single engine	Individual owner Minnesota	Standard	2012-05-14	Valid
N14014	Waco YKC	Fixed-wing, single engine	Individual owner Missouri	Standard	2012-05-11	Valid
N4698N	Boeing B75N1	Fixed-wing, single engine	Co-owned owner South Carolina	Standard	2012-05-10	Valid
N5406N	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner New York	Standard	2012-05-03	Valid
N55133	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Texas	Standard	2012-04-30	Valid
N3427V	Cessna 190	Fixed-wing, single engine	Individual owner Kentucky	Standard	2012-04-05	Valid
N65869	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Texas	Standard	2012-03-22	Valid
N9046Y	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Indiana	Standard	2012-03-22	Valid
N16SD	Boeing B75N1	Fixed-wing, single engine	S Dacy Enterprises INC Harvard, Illinois	Standard	2012-03-06	Valid
N55735	Boeing B75N1	Fixed-wing, single engine	Cascade Aero Group LLC Lake Stevens, Washington	Standard	2012-03-01	Valid
N29948	Waco UPF-7	Fixed-wing, single engine	Ozarks Auto Show INC Hollister, Missouri	Standard	2012-02-06	Valid
N8835	Stearman Aircraft C3-B	Fixed-wing, single engine	Individual owner Illinois	Standard	2012-01-21	Valid
N75690	Boeing E75N1	Fixed-wing, single engine	Individual owner Idaho	Standard	2012-01-20	Valid
N31651	Waco VKS-7	Fixed-wing, single engine	K e F Enterprises INC Plymouth, Massachusetts	Standard	2012-01-17	Valid
N59791	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Illinois	Standard	2011-12-22	Valid
N8558	Waco DSO	Fixed-wing, single engine	Flying L Aircraft INC Fort Denaud, Florida	Standard	2011-11-16	Valid
N68987	Boeing PT-13D	Fixed-wing, single engine	Aircraft Guaranty CORP Trustee Oklahoma City, Oklahoma	Standard	2011-11-02	Valid
N59295	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Oregon	Standard	2011-10-25	Valid
N4429N	Boeing B75N1	Fixed-wing, single engine	Co-owned owner Texas	Standard	2011-09-12	Valid
N59031	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner California	Standard	2011-08-23	Valid
N145N	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Kansas	Standard	2011-08-10	Valid
N545WP	Boeing A75N1(PT17)	Fixed-wing, single engine	Aircraft Guaranty CORP Trustee Oklahoma City, Oklahoma	Standard	2011-08-08	Valid
N77667	Fairchild 24W-46	Fixed-wing, single engine	Individual owner Tennessee	Standard	2011-08-04	Valid
N39737	Waco UPF-7	Fixed-wing, single engine	Individual owner North Carolina	Standard	2011-06-18	Valid
N54945	Boeing A75N1(PT17)	Fixed-wing, single engine	Plane Fun INC Tr Trustee Snellville, Georgia	Standard	2011-06-10	Valid
N56178	Boeing A75N1(PT17)	Fixed-wing, single engine	N56178 CORP Trustee Wilmington, Delaware	Standard	2011-05-19	Valid
N56019	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Missouri	Standard	2011-05-10	Valid
N59754	Boeing A75N1(PT17)	Fixed-wing, single engine	Bi-Plane Aerial Towing LLC Perry Hall, Maryland	Standard	2011-03-21	Valid
N9136H	Boeing B75N1	Fixed-wing, single engine	T J P Aviation INC Garrettsville, Ohio	Standard	2011-03-15	Valid
N57061	Fairchild M-62A	Fixed-wing, single engine	Individual owner Minnesota	Restricted	2011-01-24	Valid
N52512	Boeing A75L3	Fixed-wing, single engine	Mantei & Associates LTD Lexington, South Carolina	Standard	2011-01-06	Valid
N1559M	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner North Carolina	Standard	2011-01-05	Valid
N81235	Boeing B75N1	Fixed-wing, single engine	Individual owner California	Standard	2010-12-28	Valid
N59925	Boeing A75N1(PT17)	Fixed-wing, single engine	Fogle Air INC Wilmington, Delaware	Standard	2010-11-29	Valid
N851WM	Boeing B75N1	Fixed-wing, single engine	Individual owner South Carolina	Standard	2010-10-06	Valid
N9HY	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Indiana	Standard	2010-08-25	Valid
N53085	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Washington	Restricted	2010-08-11	Valid
N58073	Boeing PT-17	Fixed-wing, single engine	Individual owner Washington	Standard	2010-08-11	Valid
N67412	Boeing A75N1(PT17)	Fixed-wing, single engine	Stearman Aeroventures LLC Lakeland, Florida	Standard	2010-07-26	Valid
N11X	Ryan Aeronautical ST3KR	Fixed-wing, single engine	Individual owner North Carolina	Experimental	2010-05-25	Valid
N29927	Waco UPF-7	Fixed-wing, single engine	Individual owner Ohio	Standard	2010-05-25	Valid
N32035	Waco UPF-7	Fixed-wing, single engine	Wacky Jack LLC Flower Mound, Texas	Standard	2010-04-26	Valid
N63876	Boeing A75N1(PT17)	Fixed-wing, single engine	Yak-Ity-Yak LLC Columbiana, Alabama	Standard	2010-04-20	Valid
N61358	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Kansas	Standard	2010-03-01	Valid
N63806	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Illinois	Standard	2009-11-24	Valid
N13SS	Boeing E75	Fixed-wing, single engine	Individual owner Louisiana	Standard	2009-09-30	Valid
N57762	Boeing A75N1	Fixed-wing, single engine	Individual owner Minnesota	Standard	2009-09-30	Valid
N55324	Boeing A75N1(PT17)	Fixed-wing, single engine	Greene Harry L Waipahu, Hawaii	Standard	2009-09-08	Valid
N32105	Waco UPF-7	Fixed-wing, single engine	Individual owner Idaho	Standard	2009-08-17	Valid
N4982C	Snow S2A	Fixed-wing, single engine	Individual owner Texas	Restricted	2009-08-06	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.