What is the drop altitude for a CH-47 if the drop speed is 90 knots or greater?

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The drop altitude for a CH-47 helicopter, when the drop speed is 90 knots or greater, is set at 1250 feet AGL (Above Ground Level). This altitude is determined based on the need to ensure a safe and effective parachute deployment, as well as to allow parachutists to have sufficient time to exit the aircraft and stabilize before opening their chutes.

At speeds of 90 knots or higher, a lower drop altitude is suitable because the momentum and aerodynamic factors at these speeds provide for smoother operations. By adhering to this altitude, it meets safety protocols and allows for effective handling of the drop sequence, taking into account both the dynamics of the helicopter and the deployment of parachutists in various environmental conditions.

Understanding this altitude is crucial for ensuring effective missions involving personnel insertion or supply drops, as it directly impacts the success of the operation and the safety of those involved.

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