Narrative:
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."
Controlled Flight Into Terrain (CFIT) - Mountain
accident date: 02-06-1990
type: Boeing 737-2X6C
registration: N670MA
accident date: 02-06-1990
type: Boeing 737-2X6C
registration: N670MA
| Status: | Accident investigation report completed and information captured |
| Date: | Saturday 2 June 1990 |
| Time: | 09:37 |
| Type: |  Boeing 737-2X6C |
| Operator: | MarkAir |
| Registration: | N670MA |
| MSN: | 23121/1025 |
| First flight: | 1984-05-02 (6 years 1 months) |
| Engines: | 2 Pratt & Whitney JT8D-17A |
| Crew: | Fatalities: 0 / Occupants: 4 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Aircraft fate: | Written off (damaged beyond repair) |
| Location: | 12 km (7.5 mls) from Unalakleet Airport, AK (UNK) ( United States of America)
|
| Phase: | Approach (APR) |
| Nature: | Ferry/positioning |
| Departure airport: | Anchorage International Airport, AK (ANC/PANC), United States of America |
| Unalakleet Airport, AK (UNK/PAUN), United States of America | |
| Flightnumber: | 3087 |
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:
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."
Accident investigation:
 |
|
Classification:
Premature descent Controlled Flight Into Terrain (CFIT) - Mountain
Sources:
» NTSB/AAR-91/02Follow-up / safety actions
NTSB issued 4 Safety Recommendations
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Photos
accident date: 02-06-1990
type: Boeing 737-2X6C
registration: N670MA
accident date: 02-06-1990
type: Boeing 737-2X6C
registration: N670MA
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Anchorage International Airport, AK to Unalakleet Airport, AK as the crow flies is 625 km (391 miles).
Accident location: Exact; as reported in the official accident report.
Distance from Anchorage International Airport, AK to Unalakleet Airport, AK as the crow flies is 625 km (391 miles).
Accident location: Exact; as reported in the official accident report.
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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