Click to expand Tap to zoom Hughes Helicopters OH-6A 1969 Operator's Manual (55-1520-214-10) by Hughes Helicopter Manuals Sale $51.00 | / SKU 8057:R Printed Manual - $51.00 Download - $51.00 Printed Manual Download Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Helicopter, Observation