Click to expand Tap to zoom Piasecki Helicopters HUP-1,2, H-25A Helicopter 1955 Structural Repair Instructions (1H-25A-3) by Piasecki Helicopters Sale $52.00 | / SKU 8073:R Printed Manual - $52.00 Download - $52.00 Printed Manual 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. Revised Nov. 1957