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Last updated: 29 August 2015
Datum:zaterdag 2 juni 1990
Type:Silhouette image of generic B732 model; specific model in this crash may look slightly different
Boeing 737-2X6C
Registratie: N670MA
Constructienummer: 23121/1025
Bouwjaar: 1984-05-02 (6 years 1 months)
Motoren: 2 Pratt & Whitney JT8D-17A
Bemanning:slachtoffers: 0 / inzittenden: 4
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 0 / inzittenden: 4
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:12 km (7.5 mijl) van Unalakleet Airport, AK (UNK) (   Verenigde Staten)
Fase: Nadering (APR)
Soort vlucht:Ferry
Vliegveld van vertrek:Anchorage International Airport, AK (ANC/PANC), Verenigde Staten
Vliegveld van aankomst:Unalakleet Airport, AK (UNK/PAUN), Verenigde Staten
The Boeing struck the ground during a runway 14 DME approach, 12 km short of the runway. The aircraft skidded a few hundred feet, coming to rest with an engine and the tail section separated.

PROBABLE CAUSE: "Deficiencies in flight crew coordination, their failure to adequately prepare for and properly execute the non-precision approach and their subsequent premature descent."

» NTSB/AAR-91/02

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - United States of America
report status: Final
report number: NTSB/AAR-91-02
report released:23 January 1991
duration of investigation: 235 days (8 months)
download report: Markair, Inc., Boeing 737-2X6C, N670MA Controlled Flight into Terrain, Unalakleet, Alaska June 2, 1990. (NTSB/AAR-91-02)


NTSB issued 4 Safety Recommendations

Show all AD's and Safety Recommendations


photo of Boeing 737-2X6C N670MA
photo of Boeing 737-2X6C N670MA
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Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Anchorage International Airport, AK en Unalakleet Airport, AK bedraagt 625 km (391 miles).

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