Photo of the Day: Osprey helijet from #RAFLuton passes Windermere on its way to the MacLoop in Scotland #AvGeekpic.twitter.com/i4bZJYXgfR
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I did sort of notice a slight shimmer in the sky as it passed overhead in stealth mode earlier...
*Lake Windermere
* - a mere is a shallow lake - 'Lake Windermere' is therefore a tautology.
Canberra & >FL600 then. Thanks!

it was fitted with an extendable camera pole to make those sorts of calculations impossible the Canberra may well have been submerged at the time...it's a big pole
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