MD 600N, Vicksburg, Miss., Feb. 6, 2007–The NTSB said the loss of engine power on the MD 600, which landed hard on a logging road, was due to fuel starvation because the fuel transfer check valve was stuck in the closed position. The pilot was en route to refuel the helicopter, cruising at 115 knots at 500 feet agl, when the engine quit. The pilot autorotated and landed on the road, surrounded by tall trees.
CANADAIR CL-600-2B19, COLORADO SPRINGS, COLO., APRIL 17, 2004. After America West Express Flight 412 landed at Colorado Springs, Colo., and was taxiing to the gate, the cabin filled with smoke. The captain stopped the airplane and evacuated the airplane. The NTSB blamed the incident on a failed air conditioning fan bypass check valve and the subsequent overtemperature of the air conditioning pack.
Four reported incidents of in-flight loss of hydraulic fluid led to an emergency AD being issued Friday for the 139 in-service Premier Is. None of the incidents led to any mishaps, according to Raytheon Aircraft. The problem has been traced to the failure of a hydraulic tube assembly in the left engine. The directive requires a visual inspection of the affected part before further flight and thereafter at intervals of 50 hours.
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