On 10 August 1958 Bill Muncey crashed his boat "Miss Thriftway" at the Seattle Seafair unlimited hydroplane races on Lake Washington. Muncey lost rudder control and collided with a USCG 40 foot patrol boat "CG-40575". Both boats sunk within minutes, however all personnel involved were rescued and survived with relatively minor injuries. Assisting in the immediate rescue were: "CG-40378", USCG Auxiliary "Plumb Crazy" and a Coast Guard Sikorsky HO4S 2G (or3G) HH-19G helicopter. On 11 August 1958 "Fir" recovered both boats. "CG-40575 was a total loss.