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

Continental IO-470-R

5 aircraft on the U.S. register carry a Continental IO-470-R engine, rated at about 250 horsepower. The Cessna 180 Skywagon is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1961 and 1973.

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 IO-470-R. FAA spelling: IO-470-R.

Fitted to model families

Cessna 180 Skywagon2Cessna 182 Skylane2Piper PA-25 Pawnee1

Cessna 180 Skywagon · Cessna 182 Skylane · Piper PA-25 Pawnee

Where they are owner's state

Nevada1Nebraska1Kentucky1Florida1Alaska1

Kind of aircraft

Piston singles5 (100%)

When the aircraft were built by decade

012233196011970

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

The design is held under 1 type certificate (3E1, held by Continental Aerospace Technologies, INC.). The FAA has issued 20 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 2 failure reports with the FAA since 1995, 1 of them in the last ten years.

FAA orders 20 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
2012-02-242012-03-06 · Fuel servo diaphragm · engine

All orders naming the Continental IO-470-R

Failure reports 2 since · what operators and shops told the FAA

00011198113

Parts most often reported as the reports name them

Lifter1Nut1

Latest reports

2013-09-25Nut: backed out
1998-01-29Lifter: damaged

Certificates and bulletins

3E1Type certificate held by Continental Aerospace Technologies, INC. · 19 models listed · revised October 12, 2022

Safety bulletins 6 · advice, not orders

2020-04-06NE-20-05 · POWERPLANT - Engine Camshaft Gear Tooth Fracture
2016-03-08NE-16-13 · Powerplant - Prohibited use of sealant
2013-02-08NE-13-15 · Engine Controls: Continental Motors, Inc. (CMI) Throttle and Mixture Control Levers
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

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-io-470-r.json · about the eFlight graph.

Aircraft newest certificates first · 5

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N9203X Cessna
182E
Fixed-wing, single engine Peru Projects INC
Lincoln, Nebraska
Standard 2025-06-06 ValidFAA registration status code V: Valid registration. All codes
N8005Q Cessna
180D
Fixed-wing, single engine Individual owner
Nevada
Standard 2024-06-18 ValidFAA registration status code V: Valid registration. All codes
N6225Z Piper
PA-25
Fixed-wing, single engine Individual owner
Kentucky
Restricted 2022-07-23 ValidFAA registration status code V: Valid registration. All codes
N515CL Cessna
182G
Fixed-wing, single engine Professional Pilot Services LLC
Miami, Florida
Standard 2021-06-22 ValidFAA registration status code V: Valid registration. All codes
N393B Cessna
180J
Fixed-wing, single engine Individual owner
Alaska
Standard 2015-11-18 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.