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
N3534C	Cessna 170B	Fixed-wing, single engine	Hausback Brian Trustee Sacramento, California	Standard	2026-07-23	Valid
N6166E	Cessna 172	Fixed-wing, single engine	Individual owner Florida	Restricted	2026-07-23	Valid
N6869X	Cessna 172B	Fixed-wing, single engine	Individual owner South Carolina	Standard	2026-07-23	Valid
N170CP	Cessna 170B	Fixed-wing, single engine	Co-owned owner Tennessee	Standard	2026-07-22	Valid
N4265L	Cessna 172G	Fixed-wing, single engine	1515 Aviation LLC Burleson, Texas	Standard	2026-07-22	Valid
N4280L	Cessna 172G	Fixed-wing, single engine	Shellbourne Aviation LLC Ormond Beach, Florida	Multiple	2026-07-22	Valid
N318R	Cessna 172	Fixed-wing, single engine	Individual owner New Hampshire	Standard	2026-07-21	Valid
N7266T	Cessna 172	Fixed-wing, single engine	Co-owned owner Louisiana	Standard	2026-07-21	Valid
N7952B	Cessna 172	Fixed-wing, single engine	Emaw Properties LLC Afton, Oklahoma	Standard	2026-07-21	Valid
N6626A	Cessna 172	Fixed-wing, single engine	Individual owner Arizona	Standard	2026-07-18	Valid
N7552T	Cessna 172A	Fixed-wing, single engine	Individual owner Kentucky	Standard	2026-07-18	Valid
N7916U	Cessna 172F	Fixed-wing, single engine	Individual owner Texas	Standard	2026-07-15	Valid
N8691B	Cessna 172	Fixed-wing, single engine	Individual owner Texas	Standard	2026-07-15	Valid
N7013T	Cessna 172	Fixed-wing, single engine	Individual owner Michigan	Standard	2026-07-14	Valid
N5696R	Cessna 172F	Fixed-wing, single engine	Magnolia Flight Aviation LLC Pontotoc, Mississippi	Standard	2026-07-13	Valid
N7528X	Cessna 172B	Fixed-wing, single engine	Individual owner Florida	Standard	2026-07-13	Valid
N8841B	Cessna 172	Fixed-wing, single engine	Individual owner Texas	Standard	2026-07-10	Valid
N9726T	Cessna 172A	Fixed-wing, single engine	Individual owner Nebraska	Standard	2026-07-10	Valid
N4006F	Cessna 172	Fixed-wing, single engine	Big Sky Fkyers LLC Billings, Montana	Standard	2026-07-07	Valid
N4141L	Cessna 172G	Fixed-wing, single engine	Individual owner Washington	Standard	2026-07-06	Valid
N7067E	Cessna 175A	Fixed-wing, single engine	5 Am Equipment LLC Casper, Wyoming	Standard	2026-07-06	Valid
N7747U	Cessna 172E	Fixed-wing, single engine	Coastal Zoom LLC Davenport, Florida	Standard	2026-07-06	Valid
N789S	Cessna 172E	Fixed-wing, single engine	Summit Aircraft LLC Seattle, Washington	Standard	2026-07-04	Valid
N8687B	Cessna 172	Fixed-wing, single engine	Self Aviation LLC Hayden, Idaho	Standard	2026-07-04	Valid
N2464U	Cessna 172D	Fixed-wing, single engine	Fly By Faith LLC Laurel Springs, North Carolina	Standard	2026-07-03	Valid
N3544S	Cessna 172E	Fixed-wing, single engine	Co-owned owner California	Standard	2026-07-01	Valid
N3988L	Cessna 172G	Fixed-wing, single engine	Wind Walker LLC Tucson, Arizona	Standard	2026-07-01	Valid
N5017A	Cessna 172	Fixed-wing, single engine	Individual owner California	Standard	2026-07-01	Valid
N6041R	Cessna 172G	Fixed-wing, single engine	Co-owned owner Louisiana	Standard	2026-07-01	Valid
N8505B	Cessna 172	Fixed-wing, single engine	Individual owner Texas	Standard	2026-07-01	Valid
N8464U	Cessna 172F	Fixed-wing, single engine	Individual owner Indiana	Standard	2026-06-30	Valid
N6925X	Cessna 172B	Fixed-wing, single engine	Individual owner Washington	Standard	2026-06-29	Valid
N2890U	Cessna 172D	Fixed-wing, single engine	Individual owner Tennessee	Standard	2026-06-28	Valid
N3955L	Cessna 172G	Fixed-wing, single engine	Individual owner Alaska	Standard	2026-06-28	Valid
N6172E	Cessna 172	Fixed-wing, single engine	Co-owned owner New York	Standard	2026-06-28	Valid
N9DB	Globe GC-1B	Fixed-wing, single engine	Individual owner New Hampshire	Standard	2026-06-27	Valid
N3829R	Cessna 172H	Fixed-wing, single engine	Individual owner Ohio	Standard	2026-06-26	Valid
N31FC	Cessna 172	Fixed-wing, single engine	International Air Services INC Trustee Carson City, Nevada	Standard	2026-06-25	Valid
N5571R	Cessna 172F	Fixed-wing, single engine	Co-owned owner Idaho	Standard	2026-06-25	Valid
N3991S	Cessna 172E	Fixed-wing, single engine	Soaring Comets LLC Camarillo, California	Standard	2026-06-24	Valid
N5563T	Cessna 172E	Fixed-wing, single engine	Individual owner Florida	Standard	2026-06-24	Valid
N5611A	Cessna 172	Fixed-wing, single engine	Individual owner Ohio	Standard	2026-06-24	Valid
N5781R	Cessna 172G	Fixed-wing, single engine	Feauto Aviation INC Saint Cloud, Florida	Standard	2026-06-24	Valid
N7327T	Cessna 172A	Fixed-wing, single engine	Individual owner Montana	Standard	2026-06-24	Valid
N1149F	Cessna 172G	Fixed-wing, single engine	Individual owner Washington	Standard	2026-06-23	Valid
N7535T	Cessna 172A	Fixed-wing, single engine	Co-owned owner Kansas	Standard	2026-06-23	Valid
N7246T	Cessna 172A	Fixed-wing, single engine	Individual owner Alaska	Standard	2026-06-22	Valid
N8395X	Cessna 172C	Fixed-wing, single engine	Accurate Aviation LLC Spring City, Utah	Standard	2026-06-21	Valid
N2740L	Cessna 172H	Fixed-wing, single engine	Lightsey Aviation LLC Jacksonville, Florida	Standard	2026-06-20	Valid
N3266L	Cessna 172H	Fixed-wing, single engine	Wolverine LLC Roanoke, Virginia	Standard	2026-06-20	Valid
N17TB	Cessna 170B	Fixed-wing, single engine	Co-owned owner Florida	Standard	2026-06-19	Valid
N4642L	Cessna 172G	Fixed-wing, single engine	Individual owner Maine	Standard	2026-06-18	Valid
N5541T	Cessna 172E	Fixed-wing, single engine	Youngstown Flight School INC Youngstown, Ohio	Standard	2026-06-18	Valid
N7404T	Cessna 172A	Fixed-wing, single engine	Raptor Flight LLC Fort Worth, Texas	Standard	2026-06-18	Valid
N8476U	Cessna 172F	Fixed-wing, single engine	Smith Gordon J Manhattan, Kansas	Standard	2026-06-18	Valid
N5948A	Cessna 172	Fixed-wing, single engine	Individual owner Indiana	Standard	2026-06-17	Valid
N7370A	Cessna 172	Fixed-wing, single engine	Sunrise Aero INC Ocala, Florida	Standard	2026-06-16	Valid
N1947C	Cessna 170B	Fixed-wing, single engine	Individual owner Georgia	Standard	2026-06-12	Valid
N5876A	Cessna 172	Fixed-wing, single engine	Individual owner California	Standard	2026-06-12	Valid
N8806Z	Cessna 172H	Fixed-wing, single engine	Individual owner Arizona	Standard	2026-06-12	Valid
N5011A	Cessna 172	Fixed-wing, single engine	Individual owner Ohio	Standard	2026-06-11	Valid
N2356U	Cessna 172D	Fixed-wing, single engine	Individual owner Maryland	Standard	2026-06-10	Valid
N7135A	Cessna 172	Fixed-wing, single engine	Individual owner North Carolina	Standard	2026-06-09	Valid
N7074A	Cessna 172	Fixed-wing, single engine	Individual owner Colorado	Standard	2026-06-08	Valid
N5512T	Cessna 172E	Fixed-wing, single engine	Individual owner Nevada	Standard	2026-06-07	Valid
N8294X	Cessna 172C	Fixed-wing, single engine	Individual owner Illinois	Standard	2026-06-07	Valid
N2764D	Cessna 170B	Fixed-wing, single engine	Individual owner Washington	Standard	2026-06-05	Valid
N3785F	Cessna 172H	Fixed-wing, single engine	Individual owner Georgia	Standard	2026-06-04	Valid
N172JK	Cessna 172E	Fixed-wing, single engine	Hillman Aviation LLC Bossier City, Louisiana	Standard	2026-06-03	Valid
N2595L	Cessna 172H	Fixed-wing, single engine	Piper Capital Growth Fund LLC Scottsdale, Arizona	Standard	2026-06-03	Valid
N821RM	Cessna 172H	Fixed-wing, single engine	C&C Aero LLC Billings, Montana	Standard	2026-06-03	Valid
N3640S	Cessna 172E	Fixed-wing, single engine	Individual owner Alaska	Standard	2026-06-02	Valid
N1618F	Cessna 172H	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2026-06-01	Valid
N6272E	Cessna 172	Fixed-wing, single engine	Feauto Aviation INC Saint Cloud, Florida	Standard	2026-06-01	Valid
N8392U	Cessna 172F	Fixed-wing, single engine		Standard	2026-05-31	Valid
N4410L	Cessna 172G	Fixed-wing, single engine	Co-owned owner Michigan	Standard	2026-05-30	Valid
N4468B	Cessna 170B	Fixed-wing, single engine	Co-owned owner Alaska	Standard	2026-05-30	Valid
N9105B	Cessna 172	Fixed-wing, single engine	Individual owner Texas	Standard	2026-05-30	Valid
N356CD	Cessna 172D	Fixed-wing, single engine	Katabatic Engineering LLC Auke Bay, Alaska	Standard	2026-05-29	Valid
N8030B	Cessna 172	Fixed-wing, single engine	Individual owner New Hampshire	Standard	2026-05-29	Valid
N5786T	Cessna 172E	Fixed-wing, single engine	Bam Aviation LLC Santa Ana, California	Standard	2026-05-28	Valid
N2429U	Cessna 172D	Fixed-wing, single engine	Individual owner Louisiana	Standard	2026-05-27	Valid
N5454T	Cessna 172E	Fixed-wing, single engine	Co-owned owner Alaska	Standard	2026-05-26	Valid
N8124U	Cessna 172F	Fixed-wing, single engine	Individual owner Idaho	Standard	2026-05-26	Valid
N8800U	Cessna 172F	Fixed-wing, single engine	Wright Flight INC Tucson, Arizona	Standard	2026-05-26	Valid
N6007R	Cessna 172G	Fixed-wing, single engine	Individual owner Kentucky	Standard	2026-05-25	Valid
N6841A	Cessna 172	Fixed-wing, single engine	Smooth Flying LLC Barnwell, South Carolina	Standard	2026-05-25	Valid
N8475U	Cessna 172F	Fixed-wing, single engine	Eec Group LLC Kalispell, Montana	Standard	2026-05-25	Valid
N6090A	Cessna 172	Fixed-wing, single engine	Withheld at owner's request	Standard	2026-05-23	Valid
N7464A	Cessna 172	Fixed-wing, single engine	Individual owner Washington	Standard	2026-05-23	Valid
N7862X	Cessna 172B	Fixed-wing, single engine	World Sky Academy INC Deland, Florida	Standard	2026-05-22	Valid
N7017T	Cessna 172	Fixed-wing, single engine	Individual owner North Carolina	Standard	2026-05-20	Valid
N4677L	Cessna 172G	Fixed-wing, single engine	Jet Airways Express INC Aventura, Florida	Standard	2026-05-19	Valid
N1158F	Cessna 172G	Fixed-wing, single engine	American Pride Aviation LLC Newport Beach, California	Standard	2026-05-18	Valid
N1477F	Cessna 172H	Fixed-wing, single engine	Co-owned owner Georgia	Standard	2026-05-18	Valid
N2734U	Cessna 172D	Fixed-wing, single engine	Withheld at owner's request	Standard	2026-05-16	Valid
N3010U	Cessna 172E	Fixed-wing, single engine	Westfly LLC Kalispell, Montana	Standard	2026-05-16	Valid
N3760S	Cessna 172E	Fixed-wing, single engine	Individual owner Texas	Standard	2026-05-16	Valid
N6435E	Cessna 172	Fixed-wing, single engine	Forte Aviation Parts INC Fort Lauderdale, Florida	Standard	2026-05-16	Valid
N7281A	Cessna 172	Fixed-wing, single engine	Windsock Capital LLC Bertram, Texas	Standard	2026-05-14	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.