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

Allison (Rolls-Royce) 250-C30

5 aircraft on the U.S. register carry an Allison (Rolls-Royce) 250-C30 engine, rated at about 650 horsepower. The Mcdonnell Douglas Heli Co 369 is the model most often fitted with it (3 aircraft). The aircraft carrying it were built between 1989 and 2010.

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 Allison (Rolls-Royce) 250-C30. FAA spelling: 250-C30.

Fitted to model families

Mcdonnell Douglas Heli Co 3693Md Helicopters Inc 3692

Mcdonnell Douglas Heli Co 369 · Md Helicopters Inc 369

Where they are owner's state

Delaware2Ohio1Florida1Alabama1

Kind of aircraft

Helicopters5 (100%)

When the aircraft were built by decade

0012211980219901200012010

What the FAA has certified, ordered and been told about the Allison (Rolls-Royce) 250-C30 the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 402 failure reports with the FAA since 1995, 23 of them in the last ten years.

Failure reports 402 since · what operators and shops told the FAA

012243547950005101522126

Parts most often reported as the reports name them

Bearing25Fuel Control18Blade13Governor11Engine10Nozzle10Seal10Valve10Coupling9Shaft9

Latest reports

2026-03-25Battery: unserviceable
2025-06-23Pump: failed
2024-09-02Blower Motor: odor
2024-08-06Attach Fitting: cracked
2024-07-31Stiffener: cracked

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/allison-rolls-royce-250-c30.json · about the eFlight graph.

Aircraft newest certificates first · 5

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N860MC Mcdonnell Douglas Heli Co
369FF
Rotorcraft Manatee County Mosquito Control District
Ellenton, Florida
Standard 2026-04-27 ValidFAA registration status code V: Valid registration. All codes
N19FF Md Helicopters Inc
369FF
Rotorcraft Heliservice LLC
Wilmington, Delaware
Standard 2025-03-11 ValidFAA registration status code V: Valid registration. All codes
N96KB Mcdonnell Douglas Heli Co
369FF
Rotorcraft Hlh Leasing LLC
Wilmington, Delaware
Standard 2021-02-01 ValidFAA registration status code V: Valid registration. All codes
N530X Mcdonnell Douglas Heli Co
369FF
Rotorcraft Oxford Police Department
Oxford, Alabama
Standard 2020-11-17 ValidFAA registration status code V: Valid registration. All codes
N951CP Md Helicopters Inc
369E
Rotorcraft City of Cleveland
Cleveland, Ohio
Standard 2013-09-17 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.