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
What the FAA has certified, ordered and been told about the Continental O-300 series the component layer
The design is held under 1 type certificate (E-253, held by Continental Aerospace Technologies INC. (Continental)). The FAA has issued 7 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 38 failure reports with the FAA since 1995, 5 of them in the last ten years.
FAA orders 7 airworthiness directives · newest first
2023-10-262023-17-04 · Reciprocating Engine Oil System · engine
2022-03-292022-04-04 · Reciprocating Engine Oil System · engine
2012-01-242011-26-07 · Engine · engine
2002-07-122002-13-04 · Magneto impulse coupling stop pin · engine
1996-02-1394-05-05 R1 · Cylinder Rocker · engine
1993-08-1293-10-02 · Missing Cylinder Valve Retainer Key · engine
Failure reports 38 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Baffle4Cylinder3Bulkhead2Connecting Rod2Stringer2Wheel2Adapter1Axle1Battery1Bearing Cage1
Latest reports
2019-11-19Line: broken
2019-05-10Cylinder: cracked
2013-02-22Counterweight: loose
2012-07-10Cylinder: cracked
2011-08-08Cylinder: broken
Certificates and bulletins
E-253Type certificate held by Continental Aerospace Technologies INC. (Continental) · revised May 4, 2020
Safety bulletins 3 · advice, not orders
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
- 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
Airworthiness
- FAA orders naming the Continental O-300 series 7 airworthiness directives
- Failure reports on the Continental O-300 series 38 reports since 1995
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 |
|---|---|---|---|---|---|---|
| N6970A | Cessna 172 |
Fixed-wing, single engine | Aeropaws Aviation LLC Front Royal, Virginia |
Standard | 2025-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N5489T | Cessna 172E |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2025-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5765T | Cessna 172E |
Fixed-wing, single engine | Rawareo LLC Warsaw, Missouri |
Standard | 2025-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5777R | Cessna 172G |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2025-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5971R | Cessna 172G |
Fixed-wing, single engine | Co-owned owner New York |
Standard | 2025-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N6101E | Cessna 172 |
Fixed-wing, single engine | Co-owned owner Minnesota |
Standard | 2025-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N6744A | Cessna 172 |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2025-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N21RP | Cessna 172F |
Fixed-wing, single engine | Individual owner South Carolina |
Standard | 2025-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N2507Y | Cessna 172D |
Fixed-wing, single engine | Gap Mountain Development LLC Jaffrey, New Hampshire |
Standard | 2025-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N4688L | Cessna 172G |
Fixed-wing, single engine | Fas Aircraft Aerowork CORP Miami, Florida |
Standard | 2025-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N7457A | Cessna 172 |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2025-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8496U | Cessna 172F |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2025-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8516B | Cessna 172 |
Fixed-wing, single engine | Individual owner Iowa |
Standard | 2025-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N99TS | Cessna 172E |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2025-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N3613S | Cessna 172E |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N5698A | Cessna 172 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N5890A | Cessna 172 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N7418T | Cessna 172A |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2025-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N5797A | Cessna 172 |
Fixed-wing, single engine | Ever Fast LLC Kalispell, Montana |
Standard | 2025-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N6242E | Cessna 172 |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 2025-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N7749L | Cessna 172K |
Fixed-wing, single engine | Double Bridges Aviation LLC Enterprise, Alabama |
Standard | 2025-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8175U | Cessna 172F |
Fixed-wing, single engine | N8175U LLC Rosemount, Minnesota |
Standard | 2025-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N9802M | Maule M-4 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2025-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N3742S | Cessna 172E |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-09-19 | ValidFAA registration status code V: Valid registration. All codes |
| N5004A | Cessna 172 |
Fixed-wing, single engine | Individual owner New Mexico |
Standard | 2025-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N2596L | Cessna 172H |
Fixed-wing, single engine | Individual owner Illinois |
Standard | 2025-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N8324X | Cessna 172C |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2025-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N5786R | Cessna 172G |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2025-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N8161B | Cessna 172 |
Fixed-wing, single engine | Individual owner Indiana |
Multiple | 2025-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N8205B | Cessna 172 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2025-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N5145A | Cessna 172 |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2025-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N7288A | Cessna 172 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2025-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N7622X | Cessna 172B |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2025-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N9134B | Cessna 172 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N2120Y | Cessna 172D |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2025-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N2527L | Cessna 172H |
Fixed-wing, single engine | Individual owner South Carolina |
Standard | 2025-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N6099A | Cessna 172 |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | 2025-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N2476U | Cessna 172D |
Fixed-wing, single engine | Five States Holdings LLC Helena, Montana |
Standard | 2025-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N4692L | Cessna 172G |
Fixed-wing, single engine | Bravo Aviation LLC Rexburg, Idaho |
Standard | 2025-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N5650T | Cessna 172E |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2025-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8567U | Cessna 172F |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | 2025-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N2TP | Cessna 172D |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2025-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N3720S | Cessna 172E |
Fixed-wing, single engine | Co-owned owner South Carolina |
Standard | 2025-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N7101A | Cessna 172 |
Fixed-wing, single engine | Chickasha Wings INC Chickasha, Oklahoma |
Standard | 2025-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N7234A | Cessna 172 |
Fixed-wing, single engine | Individual owner Utah |
Standard | 2025-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N8484G | Cessna 172H |
Fixed-wing, single engine | Aileron Aviation INC Cookeville, Tennessee |
Standard | 2025-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N3668S | Cessna 172E |
Fixed-wing, single engine | Wm Aviation LLC Moncks Corner, South Carolina |
Standard | 2025-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N4396L | Cessna 172G |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8049L | Cessna 172H |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N5646A | Cessna 172 |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | 2025-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N7176T | Cessna 172A |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N2604U | Cessna 172D |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N4263V | Cessna 170 |
Fixed-wing, single engine | Ultra Flight LLC Le Mars, Iowa |
Standard | 2025-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N8554B | Cessna 172 |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2025-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N4423B | Cessna 170B |
Fixed-wing, single engine | Co-owned owner Oregon |
Standard | 2025-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N8871U | Cessna 172F |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2025-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N1674F | Cessna 172H |
Fixed-wing, single engine | Plane Nuts Aviation LLC Livingston, Louisiana |
Standard | 2025-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N2439U | Cessna 172D |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2025-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N3663S | Cessna 172E |
Fixed-wing, single engine | Individual owner Iowa |
Standard | 2025-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N3878L | Cessna 172G |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2025-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N4469L | Cessna 172G |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2025-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N794CT | Cessna 172F |
Fixed-wing, single engine | Carolina Custom Farm Equipment LLC Wilson, North Carolina |
Standard | 2025-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N8099L | Cessna 172H |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N5862R | Cessna 172G |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N8242B | Cessna 172 |
Fixed-wing, single engine | Individual owner Maine |
Standard | 2025-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N8257X | Cessna 172C |
Fixed-wing, single engine | Gypsy Aero LLC Darien Center, New York |
Standard | 2025-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8841U | Cessna 172F |
Fixed-wing, single engine | Norcal Flight Center LLC Lincoln, California |
Standard | 2025-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N269RD | Cessna 172F |
Fixed-wing, single engine | Humphries Aviation LLC Maysville, Kentucky |
Standard | 2025-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N3442D | Cessna 170B |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N3952S | Cessna 172E |
Fixed-wing, single engine | Individual owner Rhode Island |
Restricted | 2025-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N7411T | Cessna 172A |
Fixed-wing, single engine | Individual owner Rhode Island |
Standard | 2025-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N5681A | Cessna 172 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2025-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N3057U | Cessna 172E |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N4365B | Cessna 170B |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N5954R | Cessna 172G |
Fixed-wing, single engine | Otr Enterprises LLC Broussard, Louisiana |
Standard | 2025-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N703VP | Cessna 172E |
Fixed-wing, single engine | Caribbean Air Partners LLC Winter Garden, Florida |
Standard | 2025-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8179L | Cessna 172H |
Fixed-wing, single engine | Executive Wings LLC Bolivar, Tennessee |
Standard | 2025-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N1361F | Cessna 172G |
Fixed-wing, single engine | World Media CORP Hialeah, Florida |
Standard | 2025-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N1640Y | Cessna 172C |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2025-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N7274T | Cessna 172A |
Fixed-wing, single engine | N8653U LLC Fairbanks, Alaska |
Standard | 2025-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N7431X | Cessna 172B |
Fixed-wing, single engine | Vannier Aviation LLC Sheridan, Oregon |
Standard | 2025-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8517U | Cessna 172F |
Fixed-wing, single engine | Northeast Cubs LLC Wilmington, Delaware |
Standard | 2025-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N3843R | Cessna 172H |
Fixed-wing, single engine | Harbor View Air LLC Kalispell, Montana |
Standard | 2025-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N5960R | Cessna 172G |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 2025-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N2107Y | Cessna 172D |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2025-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N460G | Cessna 172E |
Fixed-wing, single engine | Individual owner Utah |
Standard | 2025-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N8072L | Cessna 172H |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N1597Y | Cessna 172C |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2025-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N2447U | Cessna 172D |
Fixed-wing, single engine | Co-owned owner Washington |
Standard | 2025-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N5433R | Cessna 172F |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2025-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N6029A | Cessna 172 |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2025-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N9799T | Cessna 172A |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2025-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N9864T | Cessna 172A |
Fixed-wing, single engine | N9864T LLC Pawleys Island, South Carolina |
Standard | 2025-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N2696L | Cessna 172H |
Fixed-wing, single engine | Park Rapids Avionics INC Park Rapids, Minnesota |
Standard | 2025-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N1371Y | Cessna 172C |
Fixed-wing, single engine | Flightsuit Farmer LLC Imperial, Nebraska |
Standard | 2025-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N1309Y | Cessna 172C |
Fixed-wing, single engine | C747 LLC Wilmington, Delaware |
Standard | 2025-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N7473T | Cessna 172A |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2025-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N172WH | Cessna 172C |
Fixed-wing, single engine | Co-owned owner Oregon |
Standard | 2025-08-06 | ValidFAA registration status code V: Valid registration. All codes |
| N2031Y | Cessna 172C |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-08-06 | ValidFAA registration status code V: Valid registration. All codes |
| N2939U | Cessna 172D |
Fixed-wing, single engine | S & S Aviation CO Ball Ground, Georgia |
Standard | 2025-08-06 | ValidFAA registration status code V: Valid registration. All codes |
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.