Under which helicopter readiness condition are flightcrews and mission-required personnel not required to be in the helicopter, and rotor blades may be folded or tied down?

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Readiness conditions define how quickly a helicopter can be launched and what level of crew presence and rotor configuration is allowed. In this level, the aircraft can be recalled within 15 minutes, but flightcrews and mission-required personnel are not required to be in the helicopter. That flexibility is paired with the ability to fold or tie down the rotor blades, which helps secure the aircraft and reduce its footprint while still enabling a rapid departure. This combination—15-minute recall with no mandatory crew on board and blades that may be folded or secured—best matches this scenario. Higher readiness levels would require crews to be aboard and/or would not permit blade folding, while lower levels would generally impose longer preparation times.