PPRuNe Forums - View Single Post - A bit of ATC history please

17th Mar 2017, 07:32

#37 (permalink)

uncle8

Join Date: Jul 2006

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Quote:

and the upper limit was FL450

I can remember Learjets operating between Essendon and Sydney in the late 70s would be OCTA, above the CTA, so I think the upper limit was less that FL450.

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