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Old October 5th 17, 12:50 PM posted to rec.aviation.soaring
Bruce Hoult
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Default Glider near miss with Airliner (emergency climb) near Chicago yesterday?

On Thursday, October 5, 2017 at 2:05:08 PM UTC+3, Tango Eight wrote:
On Wednesday, October 4, 2017 at 5:21:37 PM UTC-4, Charlie M. (UH & 002 owner/pilot) wrote:

ATC wants them below 10k' so they are below the 250kt limit. This is to handle busy airspace and help with workload.


Interested to know if this can be confirmed.


It doesn't make sense to me.

Workload might be proportional to the number of aircraft per hour (which doesn't change), or to the number of aircraft in the air in your sector (in which case get them on the ground ASAP is better than having them pootling around under 250 knots).

The controller's displays all show where the plane is now and will be in 2 minutes (or whatever) anyway, so speed should be irrelevant.