ASN Wikibase Occurrence # 365686
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| Date: | Wednesday 13 February 1991 |
| Time: | 13:39 LT |
| Type: |  Boeing 737-2X6C (Adv) |
| Owner/operator: | Markair |
| Registration: | N672MA |
| MSN: | 23123/1042 |
| Engine model: | P&W JT8D |
| Fatalities: | Fatalities: 0 / Occupants: 46 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Unalaska, AK -
 United States of America
|
| Phase: | Unknown |
| Nature: | Unknown |
| Departure airport: | Anchorage, AK (ANC |
| Unalaska, AK (DUT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE RUNWAY ALIGNS FROM THE SOUTHEAST TO THE NORTHWEST AND WITHIN 150 FEET EAST OF THE RUNWAY IS A 1,634 FOOT HIGH MOUNTAIN. THE WIND WAS FROM THE NORTHWEST AT 14 KNOTS, GUSTING TO 25 KNOTS. THE LANDING THRESHOLD FOR RUNWAY 30 WAS DIRECTLY DOWNWIND OF THE MOUNTAIN. DURING THE FINAL APPROACH, THE FIRST OFFICER NOTICED A PLUS 30 KNOT DEVIATION IN THE AIRSPEED AND CALLED FOR THE CAPTAIN TO INITIATE A GO AROUND. THE CAPTAIN HAD ALREADY APPLIED POWER WHEN THE AIRPLANE BEGAN TO SINK AND ROLL TO THE RIGHT. THE RIGHT WING TIP SCRAPED THE RUNWAY SURFACE DURING THE GO AROUND.
Probable Cause: THE WINDSHEAR ENCOUNTERED ON SHORT FINAL. CONTRIBUTING TO THE ACCIDENT WAS THE RISING TERRAIN WITHIN 150 FEET OF THE RUNWAY, THE VARIABLE NATURE OF THE WIND DUE TO THE RISING TERRAIN, AND THE PILOT'S FAILURE TO MAINTAIN LATERAL CONTROL DURING THE GO AROUND.
Accident investigation:
 |
|
Sources:
NTSB ANC91IA028
History of this aircraft
Other occurrences involving this aircraft
| 4 March 1998 | N746AS | Alaska Airlines | 0 | Reno, NV | |
non |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 12:47 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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