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

Continental O-300 series

6,622 aircraft on the U.S. register carry a Continental O-300 series engine, rated at about 145 horsepower. The Cessna 172 Skyhawk is the model most often fitted with it (6,073 aircraft). The aircraft carrying it were built between 1949 and 2021.

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 O-300 series. FAA spelling: 0-300 SER.

Fitted to model families

Cessna 172 Skyhawk6,073Cessna 170371Maule M-447Cessna 175 Skylark41Globe GC-1 Swift28Aeronca 158Temco GC-18Cessna 1507Maule BEE DEE M-43Piper PA-18 Super Cub2Piper PA-24 Comanche2American Champion Aircraft 7 Citabria and Champ1

Cessna 172 Skyhawk · Cessna 170 · Maule M-4 · Cessna 175 Skylark · Globe GC-1 Swift · Aeronca 15 · Temco GC-1 · Cessna 150 · Maule BEE DEE M-4 · Piper PA-18 Super Cub

Where they are owner's state

Texas621California469Florida341Washington306Alaska266Michigan222Ohio217Georgia203Oregon194North Carolina192

Kind of aircraft

Piston singles6,620 (100%)Piston twins1 (0.0%)Helicopters1 (0.0%)

When the aircraft were built by decade

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

Fitted to

Cessna 172 Skyhawk 6,073 with this engine series
Cessna 170 371 with this engine series
Maule M-4 47 with this engine series
Cessna 175 Skylark 41 with this engine series
Globe GC-1 Swift 28 with this engine series
Aeronca 15 8 with this engine series
Temco GC-1 8 with this engine series
Cessna 150 7 with this engine series

Where they are

Texas 621 of these aircraft
California 469 of these aircraft
Florida 341 of these aircraft
Washington 306 of these aircraft
Alaska 266 of these aircraft

Biggest operators

United States Air Force Owner 10 of these aircraft
Bas Part Sales LLC 9 of these aircraft
Sutton Aircraft Salvage LLC 8 of these aircraft
Dmac Aircraft LLC 8 of these aircraft
United States Air Force 7 of these aircraft

Analytics

These connections as data: /graph/engine/continental-o-300-series.json · about the eFlight graph.

Aircraft newest certificates first · 6,622

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N2612U	Cessna 172D	Fixed-wing, single engine	Neu Aviation LLC Benton, Louisiana	Standard	2026-10-05	Valid
N7099T	Cessna 172	Fixed-wing, single engine	Dls Aviation LLC Missoula, Montana	Standard	2026-10-05	Valid
N4108L	Cessna 172G	Fixed-wing, single engine	Individual owner Michigan	Standard	2026-10-03	Valid
N8208X	Cessna 172B	Fixed-wing, single engine	Compass Kitty Hawk LLC Winneconne, Wisconsin	Standard	2026-10-03	Valid
N5082A	Cessna 172	Fixed-wing, single engine	Co-owned owner Texas	Standard	2026-09-30	Valid
N3980V	Cessna 170	Fixed-wing, single engine		Standard	2026-09-29	Valid
N7958B	Cessna 172	Fixed-wing, single engine	Thrustline Aviation LLC Happy Valley, Oregon	Standard	2026-09-29	Valid
N2809L	Cessna 172H	Fixed-wing, single engine	Individual owner Alaska	Standard	2026-09-26	Valid
N4199F	Cessna 172	Fixed-wing, single engine	Individual owner California	Standard	2026-09-26	Valid
N8213L	Cessna 172H	Fixed-wing, single engine	Training Planes LLC Tampa, Florida	Standard	2026-09-26	Valid
N3590S	Cessna 172E	Fixed-wing, single engine	Northwest Aircraft Services LLC Hayden, Idaho	Standard	2026-09-25	Valid
N3840L	Cessna 172G	Fixed-wing, single engine	Co-owned owner Idaho	Standard	2026-09-25	Valid
N2722D	Cessna 170B	Fixed-wing, single engine	Fly South Aviation LLC Little Rock, Arkansas	Standard	2026-09-24	Valid
N2434U	Cessna 172D	Fixed-wing, single engine	Skyhawk N2434U LLC Wilmington, Delaware	Standard	2026-09-23	Valid
N2454L	Cessna 172H	Fixed-wing, single engine	Individual owner Oregon	Standard	2026-09-23	Valid
N3790R	Cessna 172H	Fixed-wing, single engine	Individual owner Alaska	Standard	2026-09-23	Valid
N5697A	Cessna 172	Fixed-wing, single engine	Co-owned owner Oklahoma	Standard	2026-09-23	Valid
N612RK	Cessna 172	Fixed-wing, single engine	Individual owner Texas	Standard	2026-09-23	Valid
N7419X	Cessna 172B	Fixed-wing, single engine	Skyranch Knoxville Youth INC Knoxville, Tennessee	Standard	2026-09-23	Valid
N8234T	Cessna 175B	Fixed-wing, single engine	Co-owned owner California	Standard	2026-09-23	Valid
N3147X	Cessna 172H	Fixed-wing, single engine	Superior Golf Course Maintenance LLC Plantation, Florida	Standard	2026-09-22	Valid
N2516U	Cessna 172D	Fixed-wing, single engine	Co-owned owner Oklahoma	Standard	2026-09-20	Valid
N7800U	Cessna 172E	Fixed-wing, single engine	Individual owner Utah	Standard	2026-09-20	Valid
N8215L	Cessna 172H	Fixed-wing, single engine	Individual owner Georgia	Standard	2026-09-20	Valid
N7159A	Cessna 172	Fixed-wing, single engine	Wilgar Aero LLC Palestine, Arkansas	Standard	2026-09-19	Valid
N7837U	Cessna 172F	Fixed-wing, single engine	Commander Aviation LLC Monroe, Michigan	Standard	2026-09-19	Valid
N81424	Cessna 172H	Fixed-wing, single engine	Wbair LLC Wills Point, Texas	Standard	2026-09-19	Valid
N8240L	Cessna 172H	Fixed-wing, single engine	Cactus To Clouds Aviation LLC Indio, California	Standard	2026-09-19	Valid
N7827X	Cessna 172B	Fixed-wing, single engine	Individual owner New York	Standard	2026-09-18	Valid
N1510Y	Cessna 172C	Fixed-wing, single engine	Eegle Corps INC Wilmington, Delaware	Standard	2026-09-16	Valid
N7276A	Cessna 172	Fixed-wing, single engine	Aved Consulting LLC Edgewater, Florida	Standard	2026-09-16	Valid
N9751T	Cessna 172A	Fixed-wing, single engine	Individual owner Arkansas	Standard	2026-09-14	Valid
N4621L	Cessna 172G	Fixed-wing, single engine	Individual owner Minnesota	Standard	2026-09-12	Valid
N4213L	Cessna 172G	Fixed-wing, single engine	Individual owner California	Standard	2026-09-09	Valid
N7376T	Cessna 172A	Fixed-wing, single engine	Individual owner Georgia	Standard	2026-09-05	Valid
N8448U	Cessna 172F	Fixed-wing, single engine	Individual owner Virginia	Standard	2026-09-05	Valid
N7245T	Cessna 172A	Fixed-wing, single engine	Individual owner Oregon	Standard	2026-09-03	Valid
N2401Y	Cessna 172D	Fixed-wing, single engine	Individual owner Idaho	Standard	2026-09-02	Valid
N3824S	Cessna 172E	Fixed-wing, single engine	Phelps Aero CO LLC Salem, Oregon	Standard	2026-09-02	Valid
N3994S	Cessna 172E	Fixed-wing, single engine	Augustus Aircraft LLC Whitefish, Montana	Standard	2026-09-02	Valid
N5471R	Cessna 172F	Fixed-wing, single engine	Gq Aviation LLC Cherry Hill, New Jersey	Standard	2026-09-02	Valid
N5609T	Cessna 172E	Fixed-wing, single engine	Individual owner Oklahoma	Standard	2026-09-02	Valid
N3792F	Cessna 172H	Fixed-wing, single engine	Individual owner California	Standard	2026-08-31	Valid
N1647F	Cessna 172H	Fixed-wing, single engine	Blue Sky Rentals LLC Hermiston, Oregon	Standard	2026-08-30	Valid
N5875R	Cessna 172G	Fixed-wing, single engine	Individual owner Kansas	Standard	2026-08-29	Valid
N1449F	Cessna 172H	Fixed-wing, single engine	Co-owned owner Kentucky	Standard	2026-08-28	Valid
N2587U	Cessna 172D	Fixed-wing, single engine	Et Flight LLC Cedar Park, Texas	Standard	2026-08-28	Valid
N2693U	Cessna 172D	Fixed-wing, single engine	Co-owned owner California	Standard	2026-08-28	Valid
N7385T	Cessna 172A	Fixed-wing, single engine	Seed and Sky Provisions LLC College Station, Texas	Standard	2026-08-28	Valid
N7949B	Cessna 172	Fixed-wing, single engine	Individual owner Minnesota	Standard	2026-08-27	Valid
N172BB	Cessna 172	Fixed-wing, single engine	Individual owner Oregon	Standard	2026-08-26	Valid
N6931X	Cessna 172B	Fixed-wing, single engine	Individual owner Mississippi	Standard	2026-08-26	Valid
N8672B	Cessna 172	Fixed-wing, single engine	Co-owned owner Wisconsin	Standard	2026-08-26	Valid
N5920R	Cessna 172G	Fixed-wing, single engine	American Eagle Aviation LLC Flushing, Michigan	Standard	2026-08-25	Valid
N2029Y	Cessna 172C	Fixed-wing, single engine	Co-owned owner New York	Standard	2026-08-24	Valid
N6409E	Cessna 172	Fixed-wing, single engine	Chehalis Skies Aircraft LLC Chehalis, Washington	Standard	2026-08-24	Valid
N662HR	Cessna 172	Fixed-wing, single engine	Individual owner Texas	Standard	2026-08-24	Valid
N72PF	Cessna 172G	Fixed-wing, single engine	Individual owner Arizona	Multiple	2026-08-24	Valid
N8094X	Cessna 172B	Fixed-wing, single engine	Individual owner Oregon	Standard	2026-08-24	Valid
N8907B	Cessna 172	Fixed-wing, single engine	Raven Aviation LLC Lexington, Kentucky	Standard	2026-08-24	Valid
N928	Gardiner F.E.8.	Fixed-wing, single engine	Owls Head Transportation Museum Owls Head, Maine	Experimental	2026-08-24	Valid
N961LC	Cessna 172D	Fixed-wing, single engine	Sanpete Aviation LLC Nephi, Utah	Standard	2026-08-23	Valid
N3616L	Cessna 172G	Fixed-wing, single engine	Soflair Aviation Solutions LLC Miami, Florida	Standard	2026-08-21	Valid
N3920R	Cessna 172H	Fixed-wing, single engine	Co-owned owner Texas	Standard	2026-08-19	Valid
N4402B	Cessna 170B	Fixed-wing, single engine	Buffalo Hill Holdings LLC Sheridan, Wyoming	Standard	2026-08-19	Valid
N5860R	Cessna 172G	Fixed-wing, single engine	Skyhawk Ventures LLC Boise, Idaho	Standard	2026-08-19	Valid
N7084A	Cessna 172	Fixed-wing, single engine	Individual owner Idaho	Standard	2026-08-19	Valid
N7842T	Cessna 172A	Fixed-wing, single engine	Rmb Helicopters LLC Factoryville, Pennsylvania	Standard	2026-08-19	Valid
N5603R	Cessna 172F	Fixed-wing, single engine	Withheld at owner's request	Standard	2026-08-16	Valid
N7481A	Cessna 172	Fixed-wing, single engine	Individual owner Illinois	Standard	2026-08-16	Valid
N7974X	Cessna 172B	Fixed-wing, single engine	Kalamazoo Flight Instruction LLC Kalamazoo, Michigan	Standard	2026-08-16	Valid
N7758X	Cessna 172B	Fixed-wing, single engine	Individual owner Oregon	Standard	2026-08-15	Valid
N9795T	Cessna 172A	Fixed-wing, single engine	White Cap Aviation LLC Amsterdam, New York	Standard	2026-08-15	Valid
N2641L	Cessna 172H	Fixed-wing, single engine	Tm Aviation Services LLC Riverside, California	Standard	2026-08-14	Valid
N6868X	Cessna 172B	Fixed-wing, single engine	Withheld at owner's request	Standard	2026-08-13	Valid
N2310U	Cessna 172D	Fixed-wing, single engine	Tec Aviation LLC Euclid, Ohio	Standard	2026-08-12	Valid
N466SR	Cessna 172H	Fixed-wing, single engine	Kmt Alliance LLC Kathleen, Georgia	Standard	2026-08-12	Valid
N4712T	Maule M-4	Fixed-wing, single engine	Individual owner Florida	Standard	2026-08-12	Valid
N8848Z	Cessna 172H	Fixed-wing, single engine	Co-owned owner Indiana	Standard	2026-08-12	Valid
N888H	Cessna 172G	Fixed-wing, single engine	Individual owner Michigan	Standard	2026-08-12	Valid
N8688B	Cessna 172	Fixed-wing, single engine	Individual owner Montana	Standard	2026-08-11	Valid
N5314T	Cessna 172E	Fixed-wing, single engine	Wynot Aviation LLC Riverton, Wyoming	Standard	2026-08-07	Valid
N5418T	Cessna 172E	Fixed-wing, single engine	Individual owner Alabama	Multiple	2026-08-07	Valid
N5947R	Cessna 172G	Fixed-wing, single engine	Dillon Aero INC Phoenix, Arizona	Standard	2026-08-06	Valid
N8616U	Cessna 172F	Fixed-wing, single engine	Individual owner Michigan	Standard	2026-08-06	Valid
N8155B	Cessna 172	Fixed-wing, single engine	Individual owner Oregon	Standard	2026-08-05	Valid
N1583Y	Cessna 172C	Fixed-wing, single engine	Co-owned owner Georgia	Standard	2026-08-04	Valid
N4271L	Cessna 172G	Fixed-wing, single engine	Co-owned owner North Carolina	Standard	2026-08-04	Valid
N3631S	Cessna 172E	Fixed-wing, single engine	Just Plane Fun 9M6 LLC Lake Providence, Louisiana	Standard	2026-08-01	Valid
N5945R	Cessna 172G	Fixed-wing, single engine	Individual owner Nebraska	Standard	2026-08-01	Valid
N8267L	Cessna 172H	Fixed-wing, single engine	Inverted Aviation LLC Atascadero, California	Standard	2026-08-01	Valid
N8863B	Cessna 172	Fixed-wing, single engine	Individual owner Texas	Standard	2026-08-01	Valid
N4274F	Cessna 172	Fixed-wing, single engine	Appalachian Bible College INC Mount Hope, West Virginia	Standard	2026-07-29	Valid
N8884B	Cessna 172	Fixed-wing, single engine	Brunson Aviation LLC Little Elm, Texas	Multiple	2026-07-29	Valid
N8667U	Cessna 172F	Fixed-wing, single engine	Hillier Ian P Hummelstown, Pennsylvania	Standard	2026-07-27	Valid
N2569U	Cessna 172D	Fixed-wing, single engine	Individual owner Colorado	Standard	2026-07-26	Valid
N2769L	Cessna 172H	Fixed-wing, single engine	Individual owner Ohio	Standard	2026-07-25	Valid
N4308B	Cessna 170B	Fixed-wing, single engine	Individual owner Washington	Standard	2026-07-25	Valid
N8133X	Cessna 172B	Fixed-wing, single engine	Individual owner Kentucky	Standard	2026-07-25	Valid
N5667R	Cessna 172F	Fixed-wing, single engine	Brazos River Aviation Group LLC Mineral Wells, Texas	Standard	2026-07-24	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.