Allison 501 Turbo-Prop Engine (AQ501-INTRO-C) by Allison Sale $25.00 | / SKU 30617:R Printed Manual - $25.00 Download - $25.00 Printed Manual Download Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart An Introduction to Aircraft Gas Turbine Engines & Allison 501 Turbo-Prop Engine Operation, Description, Characteristics