The U.S. aircraft register, updated daily
Engines · turboshaft · data as of October 5, 2026

Rolls-Royce 250-C20S

2 aircraft on the U.S. register carry a Rolls-Royce 250-C20S engine, rated at about 420 horsepower. The Cessna U206 Stationair is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1982 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 Rolls-Royce 250-C20S. FAA spelling: 250-C20S.

Fitted to model families

Cessna U206 Stationair1Enstrom Helicopter Corp TH-281

Cessna U206 Stationair · Enstrom Helicopter Corp TH-28

Where they are owner's state

Michigan1Alaska1

Kind of aircraft

Turboprops1 (50%)Helicopters1 (50%)

When the aircraft were built by decade

000111198011990

What the FAA has certified, ordered and been told about the Rolls-Royce 250-C20S the component layer

The design is held under 1 type certificate (E4CE, held by Rolls-Royce Corporation). The FAA has issued 14 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 14 airworthiness directives · newest first

2018-08-162018-13-01 · Turbine Governor · engine
2015-03-092015-02-22 · Repetitive visual inspections · engine
2006-09-072006-16-04 · Inspection of the fuel nozzle screen · engine
2006-07-262006-13-06 · Gas producer rotor assembly tie bolts · engine
2005-06-222005-10-13 · Turbine energy absorbing ring · engine
2005-02-082004-26-09 · Compressor Adaptor Couplings · engine

All orders naming the Rolls-Royce 250-C20S

Certificates and bulletins

E4CEType certificate held by Rolls-Royce Corporation · 23 models listed · revised June 29, 2010

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
Airworthiness

These connections as data: /graph/engine/rolls-royce-250-c20s.json · about the eFlight graph.

Aircraft newest certificates first · 2

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N9711Z Cessna
U206G
Fixed-wing, single engine T Skye LLC
Yakutat, Alaska
Standard 2023-12-15 ValidFAA registration status code V: Valid registration. All codes
N28EN Enstrom Helicopter Corp
TH-28
Rotorcraft Enstrom Helicopter CORP
Menominee, Michigan
Experimental 2022-12-05 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.