Mitsubishi MU-2 Marquise

The aircraft diverted from Scottsdale to a flight course to Sedona because of thunderstorms and high winds at Scottsdale, but after a radio conversation with Scottsdale tower, the pilot decided to reroute to land at Scottsdale. The pilot did not read back the weather correctly to Scottsdale tower. After descending in rain and turbulence, the pilot reported to Scottsdale at 1857 that 'we think we have the arpt at nine o'clock.' the plt was cleared to make a visual approach to rwy 21. The twr never established visual contact with the acft & was unable to make further radio contact the last recorded radar contact showed the acft at 2200 ft descending, 2 miles from scottsdale on a bearing of 075 degrees. The acft contacted the ground left wing & nose low in a landing configuration on a heading of about 300 degrees. The acft slid about 770 ft, losing the engines, wings & landing gear before stopping. A post accident examination of the wreckage showed no signs of pre-impact conditions that would have affected normal operations.

A maintenance supervisor and two pilots noted that the left engine did not respond normally while being started. Aft starting, the pilot taxied to runway 10 for an IFR departure. Since the taxiway did not extend to the end of the runway, the pilot of another aircraft waited on the taxiway, just short of the runway, approximately 2,967 feet from the end. He observed smoke coming from the left engine of the MU-2 and reported this info on the unicom frequency. He reported that the MU-2 continued and rotated for takeoff approximately 200 to 250 yards east of his position. Reportedly, the aircraft climbed to approximately 300-400 feet afl, then turned left toward higher terrain. After turning, it enter what two witnesses described as a VMC roll, then crashed and burned. An examination of the airframe revealed no preimpact mechanical failures. A teardown of the left engine revealed that a turbine bearing, pn 3101092-1, had been misaligned and subsequently began to fail, damaging the 2nd and 3rd stages of the turbine section. The airport elev was 6,597 feet. The computed takeoff roll was 1,620 feet and the computed accelerate stop distance was 3,100 feet. The landing gear and selector found in down position. The aircraft was destroyed and all six occupants were killed.

At approximately 800 feet down the left side of the runway the left engine experienced a power loss. The aircraft swerved off the left side of the runway colliding with a drainage ditch and coming to rest inverted. Examination of the fuel control unit revealed that the bellows within the assembly were found in an extended position, indicating a leak into the evacuated area. A failure was noted at the seam in the bellows. In addition, examination of the propeller revealed that the start locks were engaged and the blades were at the start lock position at impact. In order to engage the start locks, the power lever has to be moved to reverse during shutdown with the engine rpm below 50%. After engine start the pilot must again retard the power levers to reverse to disengage the start locks. The locks will not disengage after the power lever is set to the flight range.

During the weather briefing the pilot was advised that VFR flight was not recommended due to low ceilings and poor visibility. The pilot responded he had to go to Fort Payne VFR because they have no instrument approach. A Jeppesen US (lo) 29 low alt enroute chart was found at the wreckage that had a line drawn traversing southwest out of the Chattanooga VOR between V-115 and V-115e. The MEA for these airways was 4,000 ft msl. Prior to departure the pilot as advised that tops were reported 4,500 ft with another layer at 9,000 ft. The pilot responded he was going to Fort Payne and they had no approach there. Approximately 2-1/2 min after takeoff the pilot reported "...looks like about 1500 is all we're gonna get right now." About 7 min later the pilot reported they were still VFR but might want to turn around. The aircraft impacted the top of a north/south ridge line at an elevation of 2,020 feet. The copilot was part of the company's management team. A passenger was seriously injured while six other occupants were killed.

The aircraft was 20 feet agl during landing when the crew heard a propeller go into beta mode and the aircraft yawed to the right. The pilot lost control of the aircraft and it collided with a snow bank which separated the wings from the fuselage. Impact damage made it impossible to tell why the propeller went into beta mode.

Struck the slope of a mountain located near Kelowna, killing both pilots.

On final approach to Edmonton Airport runway 30, the airplane lost height and crashed on the roof of the Royal Alexandra Hospital. The airplane was destroyed and both occupants were seriously injured. A day later, the pilot died from his injuries.

While approaching Pago Pago on a flight from Honolulu, the pilot reported problems with fuel transfer. Shortly later, the airplane crashed into the ocean about 40-45 miles north of Pago Pago. The aircraft sank and the pilot was killed.

The crew departed Jacksonville for a local practice flight. En route, the twin engine airplane entered an uncontrolled descent and crashed into water off Fernandina Beach, northeast of Jacksonville. Both occupants were killed.

Following an uneventful flight from Shreveport, the crew started the descent to Eagle County Airport, Colorado. By a dark night and overcast ceiling, the crew failed to realize his altitude was too low when the airplane struck the slope of a mountain and crashed near Wolcott, about 13 miles northeast of Eagle County Airport. The airplane was destroyed upon impact and all seven occupants were killed.