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

Continental R-670

4 aircraft on the U.S. register carry a Continental R-670 engine, rated at about 210 horsepower. The Boeing A75 Stearman Kaydet is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1932 and 1950.

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 R-670. FAA spelling: R-670.

Fitted to model families

Boeing A75 Stearman Kaydet2Boeing E75 Stearman Kaydet1Waco PBF1

Boeing A75 Stearman Kaydet · Boeing E75 Stearman Kaydet · Waco PBF

Where they are owner's state

Oregon1Louisiana1Florida1Arizona1

Kind of aircraft

Piston singles4 (100%)

When the aircraft were built by decade

00122119302194011950

What the FAA has certified, ordered and been told about the Continental R-670 the component layer

The design is held under 1 type certificate (ATC 80, held by Continental Motors INC). The FAA has issued 2 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 3 failure reports with the FAA since 1995, 3 of them in the last ten years.

FAA orders 2 airworthiness directives · newest first

1995-11-2895-21-15 · Aviation Gasoline · engine
94-14-12 · Octane Aviation Gasoline · engine

Failure reports 3 since · what operators and shops told the FAA

00011101103107

Parts most often reported as the reports name them

Hub1Sight Glass1Spar1

Latest reports

2007-08-01Sight Glass: cracked
2003-05-21Hub: cracked
2001-03-27Spar: cracked

Certificates and bulletins

ATC 80Type certificate held by Continental Motors INC · 5 models listed

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
Airworthiness

These connections as data: /graph/engine/continental-r-670.json · about the eFlight graph.

Aircraft newest certificates first · 4

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N13029 Waco
PBF
Fixed-wing, single engine Individual owner
Louisiana
Standard 2023-05-19 ValidFAA registration status code V: Valid registration. All codes
N2563C Boeing
A75N1(PT17)
Fixed-wing, single engine Individual owner
Arizona
Standard 2015-11-10 ValidFAA registration status code V: Valid registration. All codes
N4752V Boeing
E75
Fixed-wing, single engine Individual owner
Florida
Standard 2014-06-24 ValidFAA registration status code V: Valid registration. All codes
N52724 Boeing
A75N1(PT17)
Fixed-wing, single engine Individual owner
Oregon
Standard 2011-06-30 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.