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FAA, NTSB investigate near-collision off Hawaii

Published on NewsOK Modified: May 16, 2014 at 8:12 pm •  Published: May 16, 2014

HONOLULU (AP) — Federal officials are investigating how two passenger jetliners got on potentially dangerous paths toward each other near Hawaii at an altitude of about 33,000 feet.

On April 25, an eastbound United Airlines flight received an alert from its onboard Traffic Alert and Collision Avoidance System about a westbound US Airways flight, the Federal Aviation Administration said in a statement Friday. The planes were about 200 miles northeast of Kona.

In that airspace, planes must be separated by 5 miles laterally or 1,000 feet vertically, according to the FAA.

A government official familiar with the investigation said the planes were about 8 miles apart when the United plane started descending to avoid the other plane. The vertical distance between the planes wasn't clear. About 12 seconds later, the planes were 5.3 miles apart with a vertical distance of 800 feet, said the official, who did not know the planes' speeds.

The official was not authorized to release the preliminary information and spoke on condition of anonymity.

United Flight 1205 was traveling from Kona to Los Angeles, while US Airways Flight 432 was heading to Maui from Phoenix. The airlines said they are cooperating with the investigation.

FAA and National Transportation Safety Board investigators arrived in Honolulu this week to review air traffic control procedures. The investigation team is also reviewing audio and radar data and interviewing pilots and air traffic controllers to learn "why these aircrafts came into the proximity that they were," NTSB spokesman Terry Williams said.

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