With all due respect to the poster below who argues the big sky theory applies to clouds (or anywhere for that matter). While not a highest time pilot, I have multiple thousands of hours between gliders, airplanes and helicopters I have actually swapped paint once with another aircraft and have at least 10 near collisions (20 feet or less of separation). Three times were while ATC was providing separation! One time is a story in itself and only a miracle/angel kept it from being a tragedy that would have killed 110 people (this one was on take off, same controller cleared two aircraft to fly into each other). I am not a big fan of the big sky theory, I frankly think it is as out dated as Flat earth.



On Wednesday, April 22, 2015 at 5:16:31 AM UTC-7, Martin Gregorie wrote:
3) Clouds are much bigger than gliders so the chances of a collision
are relatively low (the big sky theory of collision risk): its
your choice whether you take that risk or stay out of cloud.

[1] In the UK 130.4 MHz is reserved for XC message passing and cloud
flying. I don't know if other countries have similar arrangements.


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martin@ | Martin Gregorie
gregorie. | Essex, UK
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