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| Date: | Thursday 20 May 2010 |
| Time: | 23:10 LT |
| Type: |  Airbus A319-132 |
| Owner/operator: | US Airways |
| Registration: | N810AW |
| MSN: | 1116 |
| Year of manufacture: | 1999 |
| Engine model: | IAE V2524-A5 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Other fatalities: | 0 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Anchorage, Alaska -
 United States of America
|
| Phase: | Approach |
| Nature: | Unknown |
| Departure airport: | Anchorage-Ted Stevens International Airport, AK (ANC/PANC) |
| Chicago-O'Hare International Airport, IL (ORD/KORD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airport was configured to use runways 14 and runway 25R, which intersect. An Airbus
A319 had been cleared for a visual approach to land on runway 14 but executed a missed
approach. During the missed approach procedure and follow-on instructions by air traffic
control, the flight paths of the A319 and a Boeing 747, departing from runway 25R, converged.
The crew of the A319 received a traffic collision avoidance system resolution advisory during
the incident. According to radar data, the A319 and the 747 came with 100 feet vertically and
.33 miles laterally.
Postincident investigation determined that the approach controller did not direct a timely
transfer of communications on the A319 to the control tower and did not account for the
aircraft's speed when he directed the A319 to turn north. The above average approach speed of the A319 resulted in the airplane overflying runway 25R instead of turning inside the runway.
Additionally, the crew of the 747 transferred radio communications to departure control prior to being directed to do so by the control tower, resulting in the 747 not receiving time-critical traffic and control information from the tower controller.
Probable Cause: The approach controller's delayed transfer of communications on the A319 to the tower controller and failure to account for the aircraft's speed when he directed the crew to turn north. Contributing to the incident was the 747 crew's transfer of radio communications to departure control prior to being directed to do so by the tower controller.
Accident investigation:
 |
|
Sources:
NTSB OPS10IA196
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Jun-2023 19:04 | ASN Update Bot | Added |
| 15-Aug-2024 06:34 | EUGENIO GRIGORJEV | Updated [Narrative, ] |
Corrections or additions? ... Edit this accident description
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