The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 7, 2026

Continental FSO-526

7 aircraft on the U.S. register carry a Continental FSO-526 engine, rated at about 270 horsepower. The Cessna 150 is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1957 and 1991.

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 FSO-526. FAA spelling: FSO-526.

Fitted to model families

Cessna 1502Beechcraft F33 Bonanza1Beechcraft J351Beechcraft V35 Bonanza1Cessna A185 Skywagon1Cessna A1881

Cessna 150 · Beechcraft F33 Bonanza · Beechcraft J35 · Beechcraft V35 Bonanza · Cessna A185 Skywagon · Cessna A188

Where they are owner's state

Virginia1Utah1Oregon1North Carolina1Illinois1Florida1California1

Kind of aircraft

Piston singles7 (100%)

When the aircraft were built by decade

0123411950419701198011990

What the FAA has certified, ordered and been told about the Continental FSO-526 the component layer

The design is held under 1 type certificate (E-292, held by Continental Aerospace Technologies, INC.). No FAA order in the current files names this engine series.

Certificates and bulletins

E-292Type certificate held by Continental Aerospace Technologies, INC. · 3 models listed · revised May 4, 2020

Safety bulletins 2 · 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

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

These connections as data: /graph/engine/continental-fso-526.json · about the eFlight graph.

Aircraft newest certificates first · 7

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N8300D Beech
J35
Fixed-wing, single engine Altitude Adjustment LLC
Solvang, California
Standard 2026-09-05 ValidFAA registration status code V: Valid registration. All codes
N7BY Beech
F33A
Fixed-wing, single engine N7By LLC
Jensen Beach, Florida
Standard 2026-02-28 ValidFAA registration status code V: Valid registration. All codes
N5436Q Cessna
150L
Fixed-wing, single engine Individual owner
North Carolina
Standard 2021-07-22 ValidFAA registration status code V: Valid registration. All codes
N667BC Cessna
A185F
Fixed-wing, single engine Withrotor Aviation INC
Lakeview, Oregon
Standard 2012-11-08 ValidFAA registration status code V: Valid registration. All codes
N3676Y Beech
V35B
Fixed-wing, single engine Yesco Administration LLC
Salt Lake City, Utah
Standard 2010-11-18 ValidFAA registration status code V: Valid registration. All codes
N704TM Cessna
150M
Fixed-wing, single engine Co-owned owner
Virginia
Standard 1998-10-31 ValidFAA registration status code V: Valid registration. All codes
N8262G Cessna
A188B
Fixed-wing, single engine Individual owner
Illinois
Restricted PendingFAA registration status code R: Registration pending. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.