Click to expand Tap to zoom Bell Helicopter Observation OH-13 Technical Manual by Bell Helicopter old Sale $58.00 | / SKU 7893:R Printed - $58.00 Download - $58.00 Printed Download Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Helicopter 1963 OH-13E,G,H,S, O-335-5,5A,5B, O-435-23,23A,23B,&25 Field and Depot Maintenance Repair Parts and Special Tool Lists