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

Continental TSIOF-550J

1 aircraft on the U.S. register carry a Continental TSIOF-550J engine, rated at about 350 horsepower. The Piper J-3 Cub is the model most often fitted with it (1 aircraft).

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 TSIOF-550J. FAA spelling: TSIOF-550J.

Fitted to model families

Piper J-3 Cub1

Piper J-3 Cub

Where they are owner's state

Wisconsin1

Kind of aircraft

Piston singles1 (100%)

When the aircraft were built by decade

0001111950

What the FAA has certified, ordered and been told about the Continental TSIOF-550J the component layer

The design is held under 1 type certificate (E5SO, held by Continental Aerospace Technologies, INC.). The FAA has issued 9 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 9 airworthiness directives · newest first

2023-07-172023-09-09 · Exhaust Turbine System (Recip) · engine
2023-02-172023-02-12 · Engine Air Intake System · engine
2020-09-212020-16-11 · SUMMARY: Reciprocating Cylinder Section · engine
2016-09-152016-16-12 · Cylinder assemblies · engine
2012-02-242012-03-06 · Fuel servo diaphragm · engine
2010-06-162010-11-04 · Hydraulic lifters · engine

All orders naming the Continental TSIOF-550J

Certificates and bulletins

E5SOType certificate held by Continental Aerospace Technologies, INC. · 12 models listed · revised March 31, 2020

Safety bulletins 4 · advice, not orders

2018-06-20NE-18-16 · POWERPLANT Alternator Drive Coupling
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

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-tsiof-550j.json · about the eFlight graph.

Aircraft newest certificates first · 1

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N99165 Piper
J3C-65
Fixed-wing, single engine Individual owner
Wisconsin
Standard 1994-03-08 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.