United B739 near Chicago on Sep 25th 2017, near collision with glider averted by evasive turn

Last Update: September 26, 2017 / 22:03:43 GMT/Zulu time

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Incident Facts

Date of incident
Sep 25, 2017

Classification
Incident

Airline
United

Flight number
UA-246

Aircraft Registration
N69810

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

A United Boeing 737-900, registration N69810 performing flight UA-246 from Vancouver,BC (Canada) to Chicago O'Hare,IL (USA), was on approach to Chicago maintaining 10,000 feet and 250 KIAS (about 290 knots over ground) on a southerly heading about 63nm northwest of Chicago O'Hare Airport, when the crew sighted a small glider aircraft, invisible on TCAS, on a collision course and initiated a sharp left hand turn maintaining 10,000 feet to avoid a collision. The aircraft completed a narrow 360 degrees turn, then performed a right hand turn to rejoin the arrival route and continued to Chicago for a safe landing about 30 minutes later.

The FAA reported the Boeing encountered a small aircraft just north of Rockford,IL and was forced to take an evasive maneouver to avoid a collision. The aircraft subsequently circled back onto the approach track. An investigation into the occurrence has been opened.

Passengers reported they noticed the aircraft made a sharp turn to the left, followed by another sharp turn to the right while on a relatively bumpy approach to Chicago and thought, something was wrong with the aircraft. However, the aircraft levelled the wings and continued the approach. After landing the captain announced they had to make an evasive maneouver to avoid a small aircraft in the air. The aircraft appeared to be similiar to a glider aircraft forcing them to make a split second decision.

The airline reported the crew deviated from the approach path after spotting a glider aircraft.
Incident Facts

Date of incident
Sep 25, 2017

Classification
Incident

Airline
United

Flight number
UA-246

Aircraft Registration
N69810

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

This article is published under license from Avherald.com. © of text by Avherald.com.
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