Overview

Data on manufacture and type

Manufacturer: Allison Engine Company

Powerplant type: Turbine

Normal Ratings

Uninstalled, ISA sea level, static

Max continuous power: 276 kW (370 hp)

Take-off / rated power: 313 kW (420 hp)

One Engine Inoperable (OEI) Ratings

Uninstalled, ISA sea level, static

Aircraft using the Allison 250-C20B (de-rated for use on Bell 206L)