Link front for M149?

• A. 90
• B. 75
• C. 20
• D. 3

Answer: (B)

In sling-load rigging, the front link length sets how the load sits relative to the helicopter, controlling the load’s attitude and the clearance it has from the aircraft and the ground. For an M149 water trailer, the standard front-link length is 75 inches. This length provides the proper balance and geometry so the trailer remains level in flight, maintains safe clearance, and avoids contact with rotor wash or aircraft structures. Using a longer length would upset the balance and clearance, while a shorter length would risk grounding or instability. So 75 inches is the appropriate setting to achieve safe, stable lift.