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

Continental O-470-M

4 aircraft on the U.S. register carry a Continental O-470-M engine, rated at about 240 horsepower. The Cessna 310 is the model most often fitted with it (3 aircraft). The aircraft carrying it were built between 1956 and 2009.

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-470-M. FAA spelling: O-470-M.

Fitted to model families

Cessna 3103Green Earnest E BEARHAWK1

Cessna 310 · Green Earnest E BEARHAWK

Where they are owner's state

Washington1Oklahoma1Georgia1Colorado1

Kind of aircraft

Piston twins3 (75%)Piston singles1 (25%)

When the aircraft were built by decade

012233195012000

What the FAA has certified, ordered and been told about the Continental O-470-M the component layer

The design is held under 1 type certificate (E-273, held by Continental Aerospace Technologies, INC.). The FAA has issued 25 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 6 failure reports with the FAA since 1995, 1 of them in the last ten years.

FAA orders 25 airworthiness directives · newest first

2023-10-262023-17-04 · Reciprocating Engine Oil System · engine
2023-03-152023-05-16 · Reciprocating Engine Power Section · engine
2023-02-232023-04-08 · Reciprocating Engine Power Section · engine
2023-02-172023-02-12 · Engine Air Intake System · engine
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2022-03-292022-04-04 · Reciprocating Engine Oil System · engine

All orders naming the Continental O-470-M

Failure reports 6 since · what operators and shops told the FAA

01223398199101111

Parts most often reported as the reports name them

Blade2Bushing1Cam Assy1Engine1Spider1

Latest reports

2011-02-01Engine: failed
2001-07-10Bushing: separated
1999-09-14Spider: damaged
1998-11-30Blade: damaged
1998-11-30Blade: damaged

Certificates and bulletins

E-273Type certificate held by Continental Aerospace Technologies, INC. · 21 models listed · revised September 19, 2022

Safety bulletins 4 · advice, not orders

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
2009-11-20NE-10-09 · Reciprocating Engine Power Section: Hydraulic Valve Lifters
2009-01-30NE-09-08 · Reciprocating Engine Cylinder Section

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-o-470-m.json · about the eFlight graph.

Aircraft newest certificates first · 4

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N930JD Cessna
310
Fixed-wing, multi-engine 310 Aero LLC
Grove, Oklahoma
Standard 2025-09-15 ValidFAA registration status code V: Valid registration. All codes
N5052 Cessna
310
Fixed-wing, multi-engine Individual owner
Washington
Standard 2016-08-03 ValidFAA registration status code V: Valid registration. All codes
N844EE Green Earnest E
BEARHAWK
Fixed-wing, single engine Individual owner
Georgia
Experimental 2016-06-02 ValidFAA registration status code V: Valid registration. All codes
N352L Cessna
310B
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2014-07-25 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.