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Four Sikorsky SH-3H Sea-King rescue helicopters were completely refurbished, including the installation of medical interiors and new avionic instruments on the flight deck. The first of these "new" rescue helicopters went in-service in June 2000 as a replacement for the aging fleet of Sikorsky S-58T. The "Sea King" were used by the Sheriffs Department for rescue missions in the National Forest and other remote areas, to transport and insert special weapon teams, to transport personnel in the event of disasters or civil emergencies, and for marijuana eradication and removal missions. A special mission was added in the form of standby rescue and medical evacuation for the Space Shuttle crew and ground personnel in the event of Space Shuttle landings at Edwards Air Force Base.
As of 17nov12 all 5 of the below aircraft have already started the transition back to the Navy system. They are being transferred to HMX-1. 950SB is the last one currently flying. DF and DG are still at LASD awaiting transportation. HJ and 139 already transferred late 2011 and early 2012

Airframes (9)

RegModelC/NBuilt
N240HJsh-3d61-378
N307YS-61N61-2221964
N308SBch-3c61-5231964
N3173Uhss-261-1861963
N317YS-61N61-2231963w/o 1988
N8139Tsh-3d61-309
N950DFsh-3d61-360
N950DGhss-261-141
N950SBsh-3d61-372