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Author Topic: United flight near-mid-air collision, 9 May2014  (Read 1941 times)
Forum Manager
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Posts: 51

« on: May 27, 2014, 06:54:19 AM » Reply with quote

CNN reported (on 21 May 2014) that United Airlines Flights 601 and 437 each departed Houston Bush International Airport and were on a (collision course) when instructed by FAA air traffic control to immediately change course and rate of climb.
Audio from the control tower confirms that controllers asked Flight 437 to turn right immediately, while they told Flight 601 to “stop your turn, stop your climb, stop your turn.”

The NTSB is investigating the incident. FAA (sic) stated the nearest separation was  "0.87 miles laterally and 400 feet vertically, about two miles southeast of the airport.”

SMAAC Note: The story was apparently written after CNN was made aware of the recorded air traffic controller instructions days after the incident.  Typically, the FAA said as little as possible. While the least distance between the aircraft was over 4,000 feet, the urgent instructions suggest Flight 601 turned right toward Flight 437, slowing its climb and acceleration compared to Flight  437.  Very similar to the 16 September 2010 incident at MSP. 

Runways used were unavailable when this story was written. It is thought that parallel runways were used by the flights and the closing rate about 200 mph.  So the urgency in the controller instructions was not misplaced; the aircraft were less than 15 seconds from a mid-air-collision.
« Last Edit: May 27, 2014, 07:24:22 AM by Forum Manager » Logged
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