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

Rolls-Royce 250-C18

1 aircraft on the U.S. register carry a Rolls-Royce 250-C18 engine, rated at about 317 horsepower. The Hughes 369 500 series helicopters 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 Rolls-Royce 250-C18. FAA spelling: 250-C18.

Fitted to model families

Hughes 369 500 series helicopters1

Hughes 369 500 series helicopters

Where they are owner's state

Wyoming1

Kind of aircraft

Helicopters1 (100%)

When the aircraft were built by decade

0001111970

What the FAA has certified, ordered and been told about the Rolls-Royce 250-C18 the component layer

The design is held under 1 type certificate (E4CE, held by Rolls-Royce Corporation). The FAA has issued 15 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 15 airworthiness directives · newest first

2018-08-162018-13-01 · Turbine Governor · 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
2005-01-052004-24-09 · Fuel nozzle · engine
1999-01-0798-24-28 · Main Fuel Control Bellows · engine
1982-11-2682-24-05 · Control Assembly and Power Turbine Governor Assembly · engine

All orders naming the Rolls-Royce 250-C18

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-c18.json · about the eFlight graph.

Aircraft newest certificates first · 1

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N488NS Hughes
369HS
Rotorcraft Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-23 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.