题名: |
Loss of Control, Sundance Helicopters, Inc., Eurocopter AS350-B2, N37SH, Near Las Vegas, Nevada, December 11, 2011. |
摘要: |
This report discusses the December 7, 2011, accident involving a Sundance Helicopters, Inc., Eurocopter AS350-B2 helicopter, N37SH, operating as a Twilight tour sightseeing trip, which crashed in mountainous terrain about 14 miles east of Las Vegas, Nevada. The pilot and four passengers were killed, and the helicopter was destroyed by impact forces and postimpact fire. The safety issues identified in this accident are the improper reuse of degraded self-locking nuts, maintenance personnel fatigue, the need for work cards with delineated steps, and the lack of human factors training for maintenance personnel. Safety recommendations concerning these issues are addressed to the Federal Aviation Administration. |