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[i] Since the main parachutes are not interconnected and the canopies have slightly negative boyancy, they willl float in the area for only 10 minutes before sinking. Main Parachute Recovery: (a) Since safe recovery of the crew and the CM is of the utmost importance, helicopters should become involved with main parachute recovery only to the extent of deploying the grappling hook on-man lift raft packages. (b) As the helicopters approach the CM, they may deploy the grappling hook packages. An appropriate time to do this would be during CM uprighting, Under no circumstances should crew recovery be delayed for ELS (Earth Landing System) component recovery. (c) As the helicopter is hovering over a visible chute, a crew member opens the grappling hook/one-man life raft package. The raft end is secured within the helicopter and the grappling hook protective covers are removed. The hook is thrown out of the hatch to fall among or below the main parachute shroud lines, or preferably, the canopy. The raft is inflated and deployed. (d) After the flight crew has been recovered, helicopters may direct small boat crews to the snagged main parachutes. Boat crews should attempt to spill the submerged canopies but cutting half of the shroud lines or the adjacent riser extensions, NASA storage bags are provided to stow the parachutes in as they are recovered. (e) If the main parachute shroud lines have collapsed onto the CM, a one-man raft should be attached to the parachute. Then the shroud lines should be cut near the water -- the lines on the CM remaining undisturbed. Should any of the ELS components be damaged during retrieval, its is important that a NASA representative be informed.[/i]
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