Aviation Accident Summaries

Aviation Accident Summary DCA90MA030

UNALAKLEET, AK, USA

Aircraft #1

N670MA

BOEING 737-2X6C

Analysis

ON JUNE 2, 1990, AT 09:37 ALASKAN DAYLIGHT TIME, MARKAIR, INC., FLIGHT 3087, A BOEING 737-2X6C, REGISTERED IN THE US AS N670MA, CRASHED ABOUT 7.5 MILES SHORT OF RUNWAY 14, UNALAKLEET, ALASKA, WHILE EXECUTING A LOCALIZER APPROACH TO THAT RUNWAY. THE FLIGHT ORIGINATED AT 0828 AT ANCHORAGE INTERNATIONAL AIRPORT, ANCHORAGE, ALASKA. INSTRUMENT METEOROLOGICAL CONDITIONS EXISTED AT THE TIME, AND THE FLIGHT WAS ON AN IFR FLIGHT PLAN. THE CAPTAIN, THE FIRST OFFICER, AND A FLIGHT ATTENDANT SUSTAINED MINOR INJURIES. ANOTHER FLIGHT ATTENDANT SUSTAINED SERIOUS INJURIES. THERE WERE NO PASSENGERS ON BOARD, AND THE AIRCRAFT WAS DESTROYED. THE FLIGHT WAS OPERATED UNDER FAR PART 121. (SEE NTSB/AAR-91/02 FOR FURTHER INFORMATION)

Probable Cause and Findings

DEFICIENCIES IN FLIGHTCREW COORDINATION, THEIR FAILURE TO ADEQUATELY PREPARE FOR AND PROPERLY EXECUTE THE UNK LOC RWY 14 NONPRECISION APPROACH AND THEIR SUBSEQUENT PREMATURE DESCENT.

 

Source: NTSB Aviation Accident Database

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