ASN Wikibase Occurrence # 314565
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| Date: | Thursday 11 November 2010 |
| Time: | 17:31 LT |
| Type: |  Boeing 737-832 (WL) |
| Owner/operator: | Delta Air Lines |
| Registration: | N3742C |
| MSN: | 30835/755 |
| Year of manufacture: | 2001 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | 66 NM East of Hobe Sound, Florida -
 Atlantic Ocean
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Aruba-Reina Beatrix Airport (AUA/TNCA) |
| Atlanta Hartsfield-Jackson International Airport, GA (ATL/KATL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A Boeing 737-800 operating as Delta Airlines flight DL654 (registration N3742C), and an Airbus A319 operating as Avianca flight AV287, were transiting the Miami Air Traffic Control Center Class A airspace on opposite direction crossing courses when the flight crews of both airplanes received Traffic Alert and Collision Avoidance System (TCAS) resolution advisories (RA).
DL654 was traveling northwest at FL370, and AV287 was traveling southeast climbing from FL360 to FL370. The airplanes were within the confines of ZMA sector 21, but were under the control of two different air traffic controllers. Before the flights passed each other, AV287 was instructed to climb from FL360 to FL370, placing the flight in direct conflict with DL654.
When the airplanes were approximately 66 nautical miles east of Hobe Sound, Florida, the ZMA radar data processing system generated a conflict alert to the two controllers. At about the same time, the two crews received TCAS RAs. The controllers instructed the two flights to turn, and AV287 was instructed to climb to FL390. The pilots responded to their TCAS RA commands. The airplanes passed within approximately 1800 feet vertically and 2.81 miles laterally of each other.
Probable Cause: Air traffic controllers did not maintain required awareness of available flight data and aircraft positions, resulting in issuance of an incorrect altitude clearance that caused a loss of standard instrument flight rules separation between the two aircraft.
Accident investigation:
 |
|
Sources:
NTSB OPS11IA101
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Jun-2023 18:39 | ASN Update Bot | Added |
| 04-Jun-2023 13:38 | harro | Updated |
Corrections or additions? ... Edit this accident description
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