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

Lycoming R680E series

225 aircraft on the U.S. register carry a Lycoming R680E series engine, rated at about 300 horsepower. The Stinson VULTEE V-77 is the model most often fitted with it (62 aircraft). The aircraft carrying it were built between 1928 and 2000.

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 R680E series. FAA spelling: R680E SERIES.

Fitted to model families

Stinson VULTEE V-7762Boeing A75 Stearman Kaydet48Boeing E75 Stearman Kaydet13Curtiss Wright TRAVEL AIR 40007Cessna T-506Naval Aircraft Factory N36Boeing B75 Stearman Kaydet6Stinson SR-106Stinson SR-95Stinson SR-85Stinson SR-55Stinson SR-74

Stinson VULTEE V-77 · Boeing A75 Stearman Kaydet · Boeing E75 Stearman Kaydet · Curtiss Wright TRAVEL AIR 4000 · Cessna T-50 · Naval Aircraft Factory N3 · Boeing B75 Stearman Kaydet · Stinson SR-10 · Stinson SR-9 · Stinson SR-8

Where they are owner's state

Texas32Florida20California18Michigan10Illinois10Pennsylvania9Washington8Wisconsin7Missouri7Arizona7

Kind of aircraft

Piston singles212 (94%)Piston twins13 (6%)

When the aircraft were built by decade

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

Fitted to

Stinson VULTEE V-77 62 with this engine series
Boeing A75 Stearman Kaydet 48 with this engine series
Boeing E75 Stearman Kaydet 13 with this engine series
Curtiss Wright TRAVEL AIR 4000 7 with this engine series
Cessna T-50 6 with this engine series
Naval Aircraft Factory N3 6 with this engine series
Boeing B75 Stearman Kaydet 6 with this engine series
Stinson SR-10 6 with this engine series

Where they are

Texas 32 of these aircraft
Florida 20 of these aircraft
California 18 of these aircraft
Michigan 10 of these aircraft
Illinois 10 of these aircraft

Biggest operators

Port Townsend Aero Museum 3 of these aircraft
Trissell Flying Service INC 2 of these aircraft
Hickey Aero Services LLC 2 of these aircraft

Analytics

These connections as data: /graph/engine/lycoming-r680e-series.json · about the eFlight graph.

Aircraft newest certificates first · 225

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N4921N	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Florida	Standard	2017-10-13	Valid
N913VB	Maule M-5-220C	Fixed-wing, single engine	Cafarelli Peter Livingston, Texas	Standard	2017-08-16	Valid
N10253	Grumman G-164	Fixed-wing, single engine	Co-owned owner Florida	Restricted	2017-07-26	Valid
N69430	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Michigan	Standard	2017-07-21	Valid
N65684	Boeing A75L300	Fixed-wing, single engine	Co-owned owner Arkansas	Restricted	2017-05-18	Valid
N16122	Stinson SR-7B	Fixed-wing, single engine	Individual owner Florida	Standard	2017-02-09	Valid
N67617	Stinson VULTEE V-77	Fixed-wing, single engine	Co-owned owner Alaska	Standard	2017-02-01	Valid
N38971	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Illinois	Restricted	2017-01-25	Valid
N45261	Naval Aircraft Factory N3N-3	Fixed-wing, single engine	Individual owner Idaho	Standard	2016-12-23	Valid
N17116	Stinson SR-8C	Fixed-wing, single engine	Individual owner Florida	Standard	2016-12-12	Valid
N13462	Stinson JR. SR	Fixed-wing, single engine	Individual owner New Hampshire	Standard	2016-11-10	Valid
N15170	Stinson SR-6	Fixed-wing, single engine	Individual owner Florida	Standard	2016-11-05	Valid
N18044	Beech E17B	Fixed-wing, single engine	Individual owner California	Standard	2016-04-28	Valid
N59040	Boeing A75	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2016-03-16	Valid
N69856	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Michigan	Standard	2016-02-25	Valid
N18498	Stinson SR-10J	Fixed-wing, single engine	Excalibur Air Service LLC Windham, New Hampshire	Standard	2015-12-05	Valid
N51807	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Pennsylvania	Restricted	2015-11-06	Valid
N66442	Boeing A75N1(PT17)	Fixed-wing, single engine	Presby Aire LLC Berlin, New Hampshire	Standard	2015-11-02	Valid
N17695	Boeing B75N1	Fixed-wing, single engine	Jas Travels LLC Baton Rouge, Louisiana	Standard	2015-10-29	Valid
N16130	Stinson SR-7B	Fixed-wing, single engine	Co-owned owner Texas	Standard	2015-10-21	Valid
N60890	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2015-10-15	Valid
N2371L	Piper PA-38-112	Fixed-wing, single engine	Individual owner California	Standard	2015-07-20	Valid
N2268Z	Boeing PT-13D	Fixed-wing, single engine	Individual owner Indiana	Standard	2015-05-28	Valid
N744VR	Ott Melvyn J CURTISS FALCON 0-38	Fixed-wing, single engine	Individual owner Georgia	Experimental	2015-05-04	Valid
N64435	Stinson VULTEE V-77	Fixed-wing, single engine	Egmond Aircraft LLC Lewes, Delaware	Standard	2015-02-13	Valid
N17197	Stinson SR-9C	Fixed-wing, single engine	Co-owned owner Washington	Standard	2015-01-27	Valid
N261M	Waco BSO	Fixed-wing, single engine	Old Style Aircraft LLC Ellsinore, Missouri	Experimental	2014-11-18	Valid
N51354	Cessna T-50	Fixed-wing, multi-engine	Harmon Aviation LLC Exeter, New Hampshire	Standard	2014-07-14	Valid
N8842	Curtiss Wright TRAVEL AIR 4000	Fixed-wing, single engine	Individual owner Texas	Restricted	2014-07-08	Valid
N69398	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2014-06-23	Valid
N906XC	Stinson SR-9B	Fixed-wing, single engine	Individual owner North Carolina	Standard	2014-05-19	Valid
N88793	Stinson AT-19	Fixed-wing, single engine	Co-owned owner Florida	Standard	2014-03-10	Valid
N51062	Boeing B75	Fixed-wing, single engine	Co-owned owner Texas	Standard	2013-09-18	Valid
N16190	Stinson SR-8B	Fixed-wing, single engine	Mgs Ventures LTD Wilmington, Delaware	Standard	2013-03-13	Valid
N30023	Cessna T-50	Fixed-wing, multi-engine	Alaska Aviation Museum Anchorage, Alaska	Standard	2013-03-06	Valid
N18492	Stinson SR-10J	Fixed-wing, single engine	Stinson SR LLC Valley Springs, South Dakota	Standard	2013-02-06	Valid
N65019	Stinson VULTEE V-77	Fixed-wing, single engine	Gjm INC Wyalusing, Pennsylvania	Standard	2012-09-18	Valid
N69416	Stinson VULTEE V-77	Fixed-wing, single engine	Gjm INC Wyalusing, Pennsylvania	Standard	2012-09-17	Valid
N52588	Boeing A75L300	Fixed-wing, single engine	Pursuit International INC Stuart, Florida	Standard	2012-06-15	Valid
N64387	Boeing B75N1	Fixed-wing, single engine	Individual owner Virginia	Restricted	2012-05-17	Valid
N17074	Beech C17B	Fixed-wing, single engine	Port Townsend Aero Museum Port Townsend, Washington	Standard	2012-05-07	Valid
N65396	Boeing A75	Fixed-wing, single engine	S Dacy Enterprises INC Harvard, Illinois	Restricted	2012-03-09	Valid
N3040	Stinson SR-7B	Fixed-wing, single engine	Co-owned owner Texas	Standard	2012-02-02	Valid
N6010	Curtiss Wright TRAVEL AIR 4000	Fixed-wing, single engine	Individual owner Arizona	Standard	2011-12-07	Valid
N30L	Cessna T-50	Fixed-wing, multi-engine	Aerojet Services INC Poplar Grove, Illinois	Standard	2011-11-17	Valid
N70057	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Texas	Standard	2011-10-13	Valid
N52505	Boeing A75L300	Fixed-wing, single engine	Individual owner Texas	Restricted	2011-10-06	Valid
N32039	Waco UPF-7	Fixed-wing, single engine	Hedges Aviation INC Ronkonkoma, New York	Standard	2011-09-20	Valid
N66096	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Texas	Standard	2011-04-18	Valid
N21104	Stinson SR-10J	Fixed-wing, single engine	Co-owned owner Texas	Standard	2011-01-10	Valid
N755JP	Boeing B75N1	Fixed-wing, single engine	Jpm Flying Service LLC Marine, Illinois	Restricted	2010-10-05	Valid
N4859N	Boeing E75	Fixed-wing, single engine	Individual owner Illinois	Restricted	2010-07-26	Valid
N69874	Stinson VULTEE V-77	Fixed-wing, single engine	Land Sea Air Leasing CORP Grants Pass, Oregon	Standard	2010-03-09	Valid
N63914	Boeing A75N1(PT17)	Fixed-wing, single engine	International Air Services INC Trustee Carson City, Nevada	Standard	2010-01-20	Valid
N21182	Stinson SR-10C	Fixed-wing, single engine	Individual owner Idaho	None on file	2009-07-21	Valid
N45120	Naval Aircraft Factory N3N-3	Fixed-wing, single engine	Iowa Military Aviation Heritage Museum Ankeny, Iowa	Restricted	2009-04-24	Valid
N234X	Boeing A75	Fixed-wing, single engine	American Airpower Heritage Flying Museum INC Dallas, Texas	Standard	2009-01-06	Valid
N4319	Curtiss Wright TRAVEL AIR 4000	Fixed-wing, single engine	Individual owner California	Restricted	2008-05-20	Valid
N7775C	Grumman SCAN TYPE 30	Fixed-wing, multi-engine	Individual owner Maine	Standard	2008-01-09	Valid
N5195N	Boeing E75	Fixed-wing, single engine	Individual owner Arizona	Standard	2007-04-03	Valid
N1207	Boeing A75	Fixed-wing, single engine	Cavanaugh Air LLC Addison, Texas	Standard	2007-02-21	Valid
N13495	Stinson JR. SR	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2007-02-02	Valid
N53153	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner California	Standard	2006-10-24	Valid
N79132	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Ohio	Standard	2006-10-17	Valid
N69985	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner West Virginia	Standard	2006-08-09	Valid
N55943	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Missouri	Standard	2004-02-12	Valid
N1853M	Boeing E75	Fixed-wing, single engine	Individual owner Texas	Restricted	2003-10-29	Valid
N4594N	Boeing 75	Fixed-wing, single engine	Individual owner Texas	Restricted	2003-04-24	Valid
N58700	Boeing A75N1(PT17)	Fixed-wing, single engine	Mile High Advertising INC Doylestown, Pennsylvania	Standard	2003-02-05	Valid
N540GW	Grumman SCAN TYPE 30	Fixed-wing, multi-engine	Individual owner Michigan	Standard	2002-12-03	Valid
N1852M	Boeing E75	Fixed-wing, single engine	Co-owned owner Oregon	Standard	2002-11-01	Valid
N5057N	Boeing A75L300	Fixed-wing, single engine	Individual owner North Dakota	Standard	2002-10-30	Valid
N115A	Beech F17D	Fixed-wing, single engine	Individual owner New York	Standard	2002-02-12	Valid
N14592	Stinson SR-5	Fixed-wing, single engine	Individual owner Florida	Standard	2001-11-08	Valid
N16500	Waco EQC-6	Fixed-wing, single engine	Individual owner Ohio	Standard	2001-04-03	Valid
N70092	Stinson VULTEE V-77	Fixed-wing, single engine	Reliantair LLC Nashua, New Hampshire	Standard	2000-11-09	Valid
N16186	Stinson SR-8B	Fixed-wing, single engine	Omega 1 CORP Middletown, Delaware	Standard	2000-08-22	Valid
N475W	Travel Air L-4000	Fixed-wing, single engine	Individual owner Missouri	Restricted	2000-03-02	Valid
N266C	Cessna T-50	Fixed-wing, multi-engine	Rag Wings and Radials Aircraft Leasing LLC Wilmington, Delaware	Standard	1999-02-26	Valid
N65002	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Montana	Standard	1998-07-14	Valid
N245W	Stinson SM-8A	Fixed-wing, single engine	Co-owned owner Missouri	Standard	1998-05-01	Valid
N532WW	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Illinois	Standard	1998-02-10	Valid
N88YC	Boeing E75N1	Fixed-wing, single engine	Individual owner Texas	Standard	1997-12-03	Valid
N58571	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Alaska	Standard	1997-10-30	Valid
N10254	Grumman G-164	Fixed-wing, single engine	Trissell Flying Service INC Clarksville, Texas	Restricted	1997-09-20	Valid
N31672	Waco VKS-7F	Fixed-wing, single engine	Individual owner Oregon	Standard	1997-04-23	Valid
N4122A	Grumman SCAN TYPE 30	Fixed-wing, multi-engine	Individual owner New York	Standard	1996-11-06	Valid
N69996	Stinson VULTEE V-77	Fixed-wing, single engine	War Eagles Air Museum Santa Teresa, New Mexico	Standard	1995-09-11	Valid
N668FB	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Minnesota	Standard	1995-04-29	Valid
N58X	Cessna T-50	Fixed-wing, multi-engine	Individual owner Texas	Standard	1994-09-15	Valid
N4421	Travel Air 4000	Fixed-wing, single engine	Individual owner California	Restricted	1993-11-17	Valid
N81DP	Boeing A75N1(PT17)	Fixed-wing, single engine	Stearman Group INC Dana Point, California	Standard	1993-10-26	Valid
N9188	Curtiss Wright TRAVEL AIR E-4000	Fixed-wing, single engine	Individual owner Oregon	Standard	1992-04-21	Valid
N1339M	Boeing E75	Fixed-wing, single engine	Individual owner Illinois	Standard	1991-09-10	Valid
N60634	Stinson VULTEE V-77	Fixed-wing, single engine	American Airpower Heritage Flying Mu Dallas, Texas	Standard	1991-09-06	Valid
N67227	Stinson VULTEE V-77	Fixed-wing, single engine	American Airpower Heritage Flying Musuem Dallas, Texas	Standard	1991-09-06	Valid
N44741	Naval Aircraft Factory N3N-3	Fixed-wing, single engine	American Airpower Heritage Fly Musm Dallas, Texas	Standard	1991-09-05	Valid
N5490N	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Texas	Standard	1991-08-03	Valid
N6297	Curtiss Wright TRAVEL AIR 4000	Fixed-wing, single engine	Individual owner Oregon	Restricted	1989-11-21	Valid
N65670	Boeing A75L3	Fixed-wing, single engine	Individual owner Michigan	Restricted	1989-03-22	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.