Plane Engine Ingests Weather Balloon

Discussion in 'Weather In The News' started by Randy Jennings, Jun 11, 2018.

  1. Randy Jennings

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    April 29, 2018: Air India flight AI825, an Airbus A321-211, returned to land at Delhi's Indira Gandhi International Airport, India after one of the engines had to be shut down shortly after takeoff. The flight landed safely about 21 minutes after departure. According to the pilot the engine had ingested a weather balloon.

    https://aviation-safety.net/wikibase/wiki.php?id=210164
     
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  2. MClarkson

    MClarkson EF5

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    Woa. Thats unusual. Its a big sky but I suppose with the number of sounding balloons and aircraft it had to happen eventually. I'm a little surprised the engine was that affected... thought weather balloons were on the light side. Wonder how damaged the engine actually was... how precautionary that shutdown was verse how much functionality the engine actually had?
     
  3. Jeff Duda

    Jeff Duda Resident meteorological expert
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    Balloons are launched an hour before their nominal valid time (so that the sounding will be completed by the nominal valid time and the data can be assimilated into that model cycle's forecast with little/no lag), so it makes total sense that the craft flew over a launch site 6 minutes after balloon launch and intercepted it at about 3000 ft AGL. Also, apparently there is an Indian Meteorological Department office 6 km away from the end of one of the runways at the airport.
     
  4. Brian Brachel

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    Sounds like a NOTAM failure


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