Click to expand Tap to zoom Hughes Helicopters OH-6A 1971 Maintenance Repair Parts and Special Tools List (55-1520-214-20P) by Hughes Helicopter Manuals Sale $77.00 | / SKU 8058:R Printed Manual - $77.00 Download - $77.00 Printed Manual Download Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Helicopter, Observation