250-C20 250-C20B 250-C20F 250-C20J 420 hp (310 kW) 250-C20R 250-C20R/1 250-C20R/2 250-C20R/4 250-C20S 250-C20W 250-C22B 250-C28 250-C28B 250-C28C 250-C30...

work, being furnished with an enlarged main rotor and more powerful Allison 250-C30 engine, capable of producing up to 425 hp. During January 1984, Hughes...

206L used an Allison 250-C20B engine, and a series of model upgrades replaced this engine with more powerful versions; the 206L-1 used a 250-C28, and the...

main rotor from Westland Helicopter's Scout rotorcraft and a pair of Allison Model 250 turboshaft engines instead of their production counterparts. Sud Aviation...

Allison Transmission Holdings Inc. is an American manufacturer of commercial duty automatic transmissions and hybrid propulsion systems. Allison products...

performed the first flight of a turboprop-powered SF.260TP, powered by an Allison Model 250 engine flat-rated at 350 shp. This variant was marketed towards the...

initial production aircraft, these engines were Allison 250-C30s, a variant of the popular Allison 250 engine that was developed specially for the S-76l...

Prototype with 317hp (236kW) Allison 250-B15C turboprop engine, one built SM.1019A Production with 317hp (236kW) Allison 250-B15G 400hp turboprop engine...

MX-7-180C Millennium MX-7-250 Starcraft MX-7 with Allison 250 turboprop engine MX-7-420 Starcraft Turboprop MX-7-235 with Allison 250 turboprop engine MXT-7-160...

long, retractable gear AP68TP-600 "Viator", with two 328 hp (245 kW) Allison 250-B17C turboprops, has a 2850–3000 kg (6283-6614 lb) MTOW and was certified...