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
N9507H	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner New Jersey	Standard	2026-09-16	Valid
N60924	Stinson VULTEE V-77	Fixed-wing, single engine	Interior & Arctic Alaska Aeronautical Foundation Fairbanks, Alaska	Standard	2026-06-26	Valid
N17061	Beech C17B	Fixed-wing, single engine	Beech Fun Aviation LLC Spring Grove, Illinois	Standard	2026-05-09	Valid
N69745	Stinson VULTEE V-77	Fixed-wing, single engine	Southern Aircraft Consultancy INC Trustee Casper, Wyoming	Standard	2026-02-24	Valid
N5729N	Boeing E75	Fixed-wing, single engine	Qualitair LLC Trustee Michelstadt,	Restricted	2025-12-18	Valid
N645K	Boeing E75	Fixed-wing, single engine	Individual owner Texas	Standard	2025-11-14	Valid
N55638	Stinson VULTEE V-77	Fixed-wing, single engine	Nimble Solutions CORP Anchorage, Alaska	Standard	2025-08-20	Valid
N4608N	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Kansas	Standard	2025-07-07	Valid
N50227	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner California	Standard	2025-06-05	Valid
N300E	Boeing A75N1(PT17)	Fixed-wing, single engine	C & J Air INC Middletown, Delaware	Standard	2025-05-20	Valid
N300LY	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Montana	Standard	2025-05-15	Valid
N66720	Waco UPF-7	Fixed-wing, single engine	Individual owner Minnesota	Restricted	2025-04-29	Valid
N933W	Stinson SM-7B	Fixed-wing, single engine	Individual owner Ohio	Standard	2025-03-08	Valid
N79496	Stinson VULTEE V-77	Fixed-wing, single engine	Antique Aero Restorations LLC Wilmington, Delaware	Standard	2025-01-22	Valid
N9795H	Stinson VULTEE V-77	Fixed-wing, single engine	Port Townsend Aero Museum Port Townsend, Washington	Standard	2025-01-08	Valid
N75417	Stinson VULTEE V-77	Fixed-wing, single engine	Mutzenroth LLC Stanwood, Washington	Standard	2024-11-22	Valid
N877BG	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Texas	Standard	2024-07-08	Valid
N52028	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Florida	Standard	2024-06-21	Valid
N655N	Waco CTO	Fixed-wing, single engine	Artemis Aviation Group LLC Kalispell, Montana	Standard	2024-06-02	Valid
N475N	Curtiss Wright TRAVEL AIR D-4-D	Fixed-wing, single engine	Individual owner California	Restricted	2024-05-16	Valid
N66312	Boeing E75	Fixed-wing, single engine	Individual owner Minnesota	Standard	2024-04-29	Valid
N567Y	Stearman Aircraft C3-P	Fixed-wing, single engine	Blue Sky Adventures LLC Hanover, Pennsylvania	None on file	2024-02-19	Valid
N63947	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Florida	Standard	2024-01-28	Valid
N69981	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Iowa	Standard	2024-01-17	Valid
N61545	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner North Carolina	Standard	2023-11-27	Valid
N53155	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Texas	Standard	2023-11-04	Valid
N483Y	Stinson SM-8A	Fixed-wing, single engine	Classic Air INC Paso Robles, California	Restricted	2023-10-13	Valid
N1634M	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Nevada	Restricted	2023-10-02	Valid
N45121	Naval Aircraft Factory N3N-3	Fixed-wing, single engine	Individual owner California	Standard	2023-09-14	Valid
N57861	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Minnesota	Standard	2023-09-12	Valid
N1141	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner California	Standard	2023-08-15	Valid
N64646	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Maryland	Standard	2023-08-08	Valid
N23760	Stinson SR-10J3	Fixed-wing, single engine	Wrong Brothers Aviation LLC Webster, Minnesota	Standard	2023-08-06	Valid
N985V	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2023-08-05	Valid
N10LF	Boeing E75	Fixed-wing, single engine	Individual owner	Standard	2023-06-30	Valid
N104L	Boeing A75L300	Fixed-wing, single engine	Individual owner Florida	Standard	2023-04-25	Valid
N15127	Stinson SR-6A	Fixed-wing, single engine	Co-owned owner Michigan	Standard	2023-04-12	Valid
N9357H	Stinson VULTEE V-77	Fixed-wing, single engine	Hackenburg Jess P Montoursville, Pennsylvania	Standard	2023-03-03	Valid
N52875	Stinson SR-8C	Fixed-wing, single engine	Individual owner California	Standard	2023-02-01	Valid
N1187V	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2023-01-22	Valid
N10833	Stinson JR. S	Fixed-wing, single engine	Individual owner California	Standard	2023-01-16	Valid
N49645	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Florida	Restricted	2023-01-16	Valid
N49658	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Florida	Restricted	2023-01-16	Valid
N175MD	Boeing A75L300	Fixed-wing, single engine	Puckered Penguin LLC Houston, Texas	Standard	2022-12-17	Valid
N69654	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Virginia	Standard	2022-12-15	Valid
N1419M	Boeing A75L300	Fixed-wing, single engine	Individual owner Pennsylvania	Restricted	2022-11-10	Valid
N56891	Boeing A75N1(PT17)	Fixed-wing, single engine	Alabama Aircraft Management LLC Valley Head, Alabama	Standard	2022-09-20	Valid
N73340	Stinson VULTEE V-77	Fixed-wing, single engine	Air Transport LLC Troy, Montana	Standard	2022-05-21	Valid
N66370	Consolidated Vultee L-13	Fixed-wing, single engine	Individual owner Michigan	Standard	2022-04-27	Valid
N60058	Stinson VULTEE V-77	Fixed-wing, single engine	Valiair Lc Trustee Casper, Wyoming	Standard	2022-03-29	Valid
N68423	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner South Dakota	Standard	2022-02-18	Valid
N1502M	Boeing A75L300	Fixed-wing, single engine	Atmore Flying Service INC Century, Florida	Standard	2022-02-12	Valid
N16182	Stinson SR-8C	Fixed-wing, single engine	Individual owner Maryland	Standard	2021-12-13	Valid
N32065	Waco UPF-7	Fixed-wing, single engine	Rare Aircraft LTD Faribault, Minnesota	Standard	2021-10-05	Valid
N59121	Stinson VULTEE V-77	Fixed-wing, single engine	Hickey Aero Services LLC White Hills, Arizona	Standard	2021-10-04	Valid
N18439	Stinson SR-9C	Fixed-wing, single engine	Individual owner North Carolina	Standard	2021-09-27	Valid
N4642N	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner Tennessee	Restricted	2021-08-23	Valid
N56137	Boeing A75	Fixed-wing, single engine	Individual owner Utah	Standard	2021-07-26	Valid
N404Q	Grumman G-44A	Fixed-wing, multi-engine	Mezrah Realty CORP INC Tampa, Florida	Standard	2021-07-09	Valid
N52474	Boeing A75L300	Fixed-wing, single engine	Stearman Pilots LLC Gilroy, California	Standard	2021-07-08	Valid
N52558	Boeing A75N1(PT17)	Fixed-wing, single engine	Rocky Mountain Equipment Rentals LLC Mesa, Arizona	Restricted	2021-06-11	Valid
N1941E	Boeing A75L300	Fixed-wing, single engine	Haawq Air LLC Brookshire, Texas	Standard	2021-05-19	Valid
N87675	Stinson VULTEE V-77	Fixed-wing, single engine	Hickey Aero Services LLC White Hills, Arizona	Standard	2021-05-10	Valid
N50539	Boeing A75N1(PT17)	Fixed-wing, single engine	Liberty Aviation Museum Port Clinton, Ohio	Standard	2021-03-11	Valid
N13853	Stinson SR-5A	Fixed-wing, single engine	Individual owner Illinois	Standard	2021-02-04	Valid
N69993	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Oklahoma	Standard	2021-01-14	Valid
N90426	Consolidated Vultee/Hops L-13A	Fixed-wing, single engine	Individual owner Tennessee	Restricted	2021-01-14	Valid
N300LM	Boeing A75N1(PT17)	Fixed-wing, single engine	Barnstormer Holdings LLC Palm City, Florida	Standard	2020-11-10	Valid
N64271	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2020-09-16	Valid
N69721	Stinson AT-19	Fixed-wing, single engine	Auburn Cord Duesenberg Museum Auburn, Indiana	Standard	2020-08-11	Valid
N444BF	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Tennessee	Standard	2020-08-01	Valid
N6116	Curtiss Wright TRAVEL AIR 4000	Fixed-wing, single engine	Historic Aircraft Restoration Museum Saint Louis, Missouri	Standard	2020-06-15	Valid
N985D	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Missouri	Standard	2020-06-15	Valid
N10865	Stinson JR. S	Fixed-wing, single engine	Auburn Cord Duesenberg Museum Auburn, Indiana	Standard	2020-04-20	Valid
N62426	Boeing B75N1	Fixed-wing, single engine	Phantom Eagle LLC Hot Springs, Virginia	Restricted	2020-03-09	Valid
N65442	Stinson VULTEE V-77	Fixed-wing, single engine	National Museum of World War II Aviation Colorado Springs, Colorado	Standard	2020-01-06	Valid
N14580	Stinson SR-5E	Fixed-wing, single engine	Jackson David C Penn Yan, New York	Standard	2019-11-05	Valid
N15GC	Boeing A75N1(PT17)	Fixed-wing, single engine	Individual owner New Jersey	Standard	2019-10-23	Valid
N323R	Stinson SR-9C	Fixed-wing, single engine	Individual owner Florida	Standard	2019-09-23	Valid
N11153	Stinson SM-6000-B	Fixed-wing, multi-engine	Pleasant Aviation LLC Mount Pleasant, Texas	Standard	2019-09-04	Valid
N47C	Grumman G-44	Fixed-wing, multi-engine	Individual owner Arizona	Standard	2019-07-22	Valid
N9831	Travel Air 4000	Fixed-wing, single engine	Travel Air 4000 N9831 LLC Clackamas, Oregon	Standard	2019-06-11	Valid
N261PD	Boeing PT-13D	Fixed-wing, single engine	Yellow Bird Aviation LLC Phoenix, Arizona	Standard	2019-06-05	Valid
N65BH	Boeing E75L300	Fixed-wing, single engine	Northern Aviation LLC Wauseon, Ohio	Standard	2019-03-29	Valid
N60079	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner New Jersey	Standard	2019-03-02	Valid
N33543	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner	Standard	2018-12-19	Valid
N555	Boeing A75N1	Fixed-wing, single engine	Individual owner Texas	Standard	2018-10-25	Valid
N9561H	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Michigan	Standard	2018-10-25	Valid
N53547	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner California	Standard	2018-10-24	Valid
N18406	Stinson SR-9C	Fixed-wing, single engine	Port Townsend Aero Museum Port Townsend, Washington	Standard	2018-10-16	Valid
N15165	Stinson A	Fixed-wing, multi-engine	Individual owner Texas	Standard	2018-09-19	Valid
N4784V	Boeing A75L3	Fixed-wing, single engine	Flying Acres Flyboys LLC Milwaukee, Wisconsin	Standard	2018-09-10	Valid
N54950	Boeing A75N1(PT17)	Fixed-wing, single engine	Co-owned owner Ohio	Standard	2018-09-08	Valid
N14585	Stinson SR-5	Fixed-wing, single engine	Co-owned owner New York	None on file	2018-07-12	Valid
N9024	Curtiss Wright TRAVEL AIR 4000	Fixed-wing, single engine	Simply Living LLC Fort Myers, Florida	Standard	2018-06-12	Valid
N43YF	Stinson VULTEE V-77	Fixed-wing, single engine	Legacy Flight Museum City of Rexburg Rexburg, Idaho	Standard	2018-05-16	Valid
N69386	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Illinois	Standard	2018-03-08	Valid
N279WC	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner New York	Standard	2018-02-09	Valid
N58285	Stinson VULTEE V-77	Fixed-wing, single engine	Individual owner Kansas	Standard	2018-01-16	Valid
N21135	Stinson SR-10G	Fixed-wing, single engine	Shannon Air Museum LLC Fredericksburg, Virginia	Standard	2017-12-07	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.