ASN Wikibase Occurrence # 322727
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Date: | Friday 14 November 2003 |
Time: | 12:50 |
Type: | Boeing 747-422 |
Owner/operator: | United Airlines |
Registration: | N178UA |
MSN: | 24385/820 |
Year of manufacture: | 1990 |
Total airframe hrs: | 57337 hours |
Engine model: | Pratt & Whitney PW4056 |
Fatalities: | Fatalities: 0 / Occupants: 356 |
Aircraft damage: | Substantial, repaired |
Category: | Accident |
Location: | San Francisco International Airport, CA (SFO) -
United States of America
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Phase: | Take off |
Nature: | Passenger - Scheduled |
Departure airport: | San Francisco International Airport, CA (SFO/KSFO) |
Destination airport: | Hong Kong-Chek Lap Kok International Airport (HKG/VHHH) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:United Airlines Flight 805, a Boeing 747-422, N178UA, experienced a tail strike on rotation at San Francisco, California, USA.
The first officer was the Pilot Flying (PF), and the airplane departed on runway 10L. The winds were 180 at 16, gusting to 22 knots. The takeoff roll was normal, and the PF utilized control wheel input to correct for the crosswind. A few seconds after rotation, the PF noted the stick shaker annunciate, and responded by gently easing back pressure off the control yoke. The captain and a relief pilot felt a nose wheel vibration following the takeoff.
The air traffic control tower contacted the flight crew alerting them of a possible tail strike after observing smoke from the airplane at rotation. The crew returned to land at San Francisco. Evaluation of the damage resulted in structural repair to two structural members.
A tail strike due to a combination of the wind shifting from a headwind to a tailwind during rotation, and the pilot's control inputs for the crosswind condition.
Accident investigation:
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Investigating agency: | NTSB |
Report number: | LAX04LA050 |
Status: | Investigation completed |
Duration: | 3 years and 5 months |
Download report: | Final report |
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Sources:
Revision history:
Date/time | Contributor | Updates |
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