Click to expand Tap to zoom Piasecki Helicopters HUP-1,2, H-25A Helicopter 1954 Maintenance Instruction Handbook (1H-25A-2) by Piasecki Helicopters Sale $103.00 | / SKU 8071:R Printed Manual - $103.00 Download - $103.00 Printed Manual Download Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Revised Nov. 1957