FergWorld: Airplanes : Bell 206B Jetranger 4/25/24    Home | Articles | Training | Instructor's Corner | Airplanes | Travelogues | PIREPS | For CFIs | ATPs | Pilot for Hire Resources for the Bell Jetranger will be found here over time. For now, here is the 206B checklist. Bell 206B Checklist (PDF format) Read my article on Flying the Bell Jetranger. Allison 250-C18/T63-700 Specification (note: this engine is not found in the B2 model, Jetranger II. That helicopter features a 250-C20 engine.) Power Output.....................................317 Bhp (C18) 420 Bhp (C20) RPM...................................................52,000 (Compressor) 35,000 Power Turbine, O/P Shaft 6,000 rpm Compressor.......................................6 Stage Axial with Bleed Valve + Centrifugal Impeller Combustion Chamber.........................Single Can with Single Burner, Rear Mounted Side Entry Compressor Turbine...........................2 Stage Axial Power Turbine....................................2 Stage Axial with 5.8:1 reduction gear Layout...............................................Twin Spool Turboshaft with combined accessory and output gearbox Starting..............................................Starter Generator Ignition..............................................High energy igntor Fuel System......................................Separate Fuel Pump, Gas generator Governor and Power Turbine Governor Oil System.........................................Return System with Pressure and Scavenge pumps, External Oil Cooler and Tank. Oil Spec.............................................MIL-L-7808, Aeroshell 390 Weight...............................................158 Lbs Dimensions.........................................L 41in, W 21in, H 24in Applications.......................................Helicopters: Jet Ranger, OH58, AS355, BO 105, A109 Also Turbo-prop A/C