The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 5, 2026

Continental O-300-D

31 aircraft on the U.S. register carry a Continental O-300-D engine, rated at about 145 horsepower. The Cessna 172 Skyhawk is the model most often fitted with it (24 aircraft). The aircraft carrying it were built between 1946 and 2015.

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-D. FAA spelling: 0-300-D.

Fitted to model families

Cessna 172 Skyhawk24Cessna 1702Globe GC-1 Swift1Meyers MAC-1451Reims Aviation S.A. CESSNA F172H1Temco GC-11Williams Timothy L HATZ CLASSIC1

Cessna 172 Skyhawk · Cessna 170 · Globe GC-1 Swift · Meyers MAC-145 · Reims Aviation S.A. CESSNA F172H · Temco GC-1 · Williams Timothy L HATZ CLASSIC

Where they are owner's state

Texas3Florida3California3Nevada2Wyoming1Wisconsin1South Carolina1Ohio1New York1New Mexico1

Kind of aircraft

Piston singles31 (100%)

When the aircraft were built by decade

06111622319402195022196012010

What the FAA has certified, ordered and been told about the Continental O-300-D the component layer

The design is held under 1 type certificate (E-253, held by Continental Aerospace Technologies, INC.). The FAA has issued 11 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 87 failure reports with the FAA since 1995, 7 of them in the last ten years.

FAA orders 11 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
1998-10-1998-17-11 · Crankshafts · engine
1996-02-1394-05-05 R1 · Cylinder Rocker · engine

All orders naming the Continental O-300-D

Failure reports 87 since · what operators and shops told the FAA

0369129500061118125

Parts most often reported as the reports name them

Cylinder10Spar9Piston4Blade3Engine3Bracket2Control Wheel2Crankshaft2Door Frame2Elt2

Latest reports

2025-07-14Filter Adapter: backed out
2023-05-10Cylinder: damaged
2022-11-23Exhaust Valve: stuck
2022-01-08Yoke: broken
2019-05-21Fuel Line: chafed

Certificates and bulletins

E-253Type certificate held by Continental Aerospace Technologies, INC. · 8 models listed · revised September 19, 2022

Safety bulletins 3 · advice, not orders

2018-09-10NE-18-27 · POWERPLANT Rocker Shaft Boss Inspection
2016-03-08NE-16-13 · Powerplant - Prohibited use of sealant
2012-10-31NE-13-04 · Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection

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
Where they are
Biggest operators
Airworthiness

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

Aircraft newest certificates first · 31

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N6945X Cessna
172B
Fixed-wing, single engine A Team Motors LLC DBA
Henderson, Nevada
Standard 2026-10-01 ValidFAA registration status code V: Valid registration. All codes
N1338F Cessna
172G
Fixed-wing, single engine Vogel Auto Repair LLC
Palmer, Nebraska
Standard 2026-09-03 ValidFAA registration status code V: Valid registration. All codes
N111HS Cessna
172G
Fixed-wing, single engine Macav Flight Training LLC
Abilene, Texas
Standard 2026-07-01 ValidFAA registration status code V: Valid registration. All codes
N226WF Reims Aviation S A
CESSNA F172H
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-11 ValidFAA registration status code V: Valid registration. All codes
N7529U Cessna
172C
Fixed-wing, single engine 20 Awesome LLC
Albuquerque, New Mexico
Standard 2025-07-02 ValidFAA registration status code V: Valid registration. All codes
N5451R Cessna
172F
Fixed-wing, single engine Youngstown Warren Development Partners
Vienna, Ohio
Standard 2025-07-01 ValidFAA registration status code V: Valid registration. All codes
N7509X Cessna
172B
Fixed-wing, single engine Individual owner
Maine
Standard 2024-02-19 ValidFAA registration status code V: Valid registration. All codes
N708RF Cessna
172E
Fixed-wing, single engine Individual owner
Florida
Standard 2023-11-28 ValidFAA registration status code V: Valid registration. All codes
N2464Y Cessna
172D
Fixed-wing, single engine Co-owned owner
California
Standard 2023-08-27 ValidFAA registration status code V: Valid registration. All codes
N1874Y Cessna
172C
Fixed-wing, single engine Co-owned owner
California
Standard 2023-08-22 ValidFAA registration status code V: Valid registration. All codes
N415TR Williams Timothy L
HATZ CLASSIC
Fixed-wing, single engine Co-owned owner
Georgia
Experimental 2023-05-26 ValidFAA registration status code V: Valid registration. All codes
N8629U Cessna
172F
Fixed-wing, single engine Individual owner
Minnesota
Standard 2022-08-18 ValidFAA registration status code V: Valid registration. All codes
N17ZS Cessna
170B
Fixed-wing, single engine Continental Title Trust CO Trustee
Wichita, Kansas
Standard 2022-04-01 ValidFAA registration status code V: Valid registration. All codes
N4242C Cessna
172C
Fixed-wing, single engine Cas LLC Trustee
Ballinrobe CO Mayo,
Standard 2022-01-24 ValidFAA registration status code V: Valid registration. All codes
N3820S Cessna
172E
Fixed-wing, single engine Individual owner
California
Standard 2021-11-10 ValidFAA registration status code V: Valid registration. All codes
N1172F Cessna
172G
Fixed-wing, single engine Individual owner
Alaska
Standard 2021-05-11 ValidFAA registration status code V: Valid registration. All codes
N77753 Temco
GC-1B
Fixed-wing, single engine Co-owned owner
Texas
Standard 2021-03-13 ValidFAA registration status code V: Valid registration. All codes
N1365F Cessna
172G
Fixed-wing, single engine Individual owner
Mississippi
Standard 2021-02-25 ValidFAA registration status code V: Valid registration. All codes
N4265V Cessna
170
Fixed-wing, single engine Individual owner
South Carolina
Standard 2020-08-05 ValidFAA registration status code V: Valid registration. All codes
N974SF Cessna
172B
Fixed-wing, single engine Aerospace Trust Management LLC Trustee
Wilmington, Delaware
Standard 2019-05-16 ValidFAA registration status code V: Valid registration. All codes
N7745U Cessna
172E
Fixed-wing, single engine Individual owner
Missouri
Standard 2019-04-16 ValidFAA registration status code V: Valid registration. All codes
N2424Y Cessna
172D
Fixed-wing, single engine Individual owner
Florida
Standard 2018-03-20 ValidFAA registration status code V: Valid registration. All codes
N172PS Cessna
172H
Fixed-wing, single engine Individual owner
Standard 2018-03-14 ValidFAA registration status code V: Valid registration. All codes
N172A Cessna
172C
Fixed-wing, single engine Individual owner
Nevada
Experimental 2017-07-11 ValidFAA registration status code V: Valid registration. All codes
N34374 Meyers
MAC-145
Fixed-wing, single engine Individual owner
North Carolina
Standard 2017-05-19 ValidFAA registration status code V: Valid registration. All codes
N823PW Cessna
172E
Fixed-wing, single engine Individual owner
Florida
Standard 2011-11-07 ValidFAA registration status code V: Valid registration. All codes
N885DE Cessna
172G
Fixed-wing, single engine Individual owner
Arkansas
Standard 2010-06-17 ValidFAA registration status code V: Valid registration. All codes
N5343R Cessna
172F
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2007-01-24 ValidFAA registration status code V: Valid registration. All codes
N7288T Cessna
172A
Fixed-wing, single engine Sandusky Flight Academy LLC
Sandusky, Michigan
Standard 2006-07-05 ValidFAA registration status code V: Valid registration. All codes
N5231Q Cessna
172F
Fixed-wing, single engine Individual owner
New York
Standard 2005-10-31 ValidFAA registration status code V: Valid registration. All codes
N80844 Globe
GC-1B
Fixed-wing, single engine Individual owner
Texas
Standard 2000-09-06 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.