Helicopter Engines





Allison 250






Originally developed by Allison as the T63 250 shp turboshaft for the US Army, has spawned an entire family of small turbine engines. Rolls-Royce acquired Allison in 1995. The Model 250 (M250) powers a large number of helicopters and small aircraft. With nearly 30,000 built is one of the highest-selling engines


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SHP:
Type: Turboshaft


News


New MRO Helicopter Center in Vancouver, 18-Nov-19 : #Vancouver StandardAero opened a new 24,000 square foot facility for helicopter Maintenance, Repair and Overhaul (MRO) in Vancouver, BC, Canada. Will be focus in GE T700/CT7 engines, Rolls-Royce M250 engines and Airbus Helicopters dynamic components

KTS Earns Two Rolls-Royce M250 Awards, 24-Mar-19 : Heli-Expo 2019 Keystone Turbine Services (KTS) received two Rolls-Royce M250 superior performance awards during Heli-Expo 2019. With nearly 30,000 built, the Model 250 is one of the highest-selling engines

Rolls-Royce Hybrid Aero Propulsion Tests, 17-Mar-19 : #Hybrid Rolls-Royce takes major step towards electrifying flight with successful hybrid aero propulsion tests with a M250 gas turbine. First test flights scheduled for 2021

HQ Aviation Is RR300 Authorized Service Center, 05-Mar-19 : Heli-Expo 2019 HQ Aviation from Denham, UK named a Rolls-Royce RR300 engines Authorized Service Center during Heli-Expo 2019 in Atlanta

Custom RR/Allison 250 C20 C30 C47 Engines Stand, 27-Sep-18 : #engines S.A.F.E. Structure Designs delivered to Med Trans a custom Rolls-Royce Allison 250, C20, C30, C47 Engine Stand.

Rolls-Royce Unveils eVTOL Project, 16-Jul-18 : FIA 2018 Rolls-Royce unveiled an electric vertical take-off and landing (eVTOL) vehicle during Farnborough Airshow 2018 using a M250 gas turbine modified as part of a hybrid electric propulsion system

S.A.F.E. Structure Unveils Engine CAN All-In-One, 22-Feb-18 : Heli-Expo 2018 New “Engine CAN” universally fit the M250, PW200, and RR300 engines reducing waisted real estate hangar space occupied by multiple single purpose engine stands and engine shipping containers

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Used by


ManufacturerModel
Hughes OH-6A Cayuse


Versions


EngineSHP
250
250-C18 (T63A-700)317
250-C20400
250-C20B420
250-C20F420
250-C20J370
250-C20R450
250-C20W285
250-C28C499
250-C30650
250-C30G2700
250-C30P650
250-C30R (T703-AD-700)650
250-C40B783
250-C47700
250-C47B813
RR300 (250-C300/A1)300