Click to expand Tap to zoom Bell Helicopter UH-1D,H 1971 DS and GS Maintenance Manual TM 55-1520-210-34 by Bell Helicopter Sale $109.00 | / SKU 7923:R Printed - $109.00 Download - $109.00 Printed Download Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Helicopter