I think Corsairs posted link to the AAIU report of an identical incident to the question posed is excelent reading
It is not just the heat and condensation but the fact that the stream is less than a 1/3 of the recommended safe oxygen content for turbine (or for that matter piston) operation. Note though the AC was very close and in a low forward speed.
Perhaps all exhaust flues should be painted red and white as is the norm in the Eastern block countries
There is a nice new gas turbine plant with very high flue stack right alongside the East side of the A74m 1 mile north of Lockerbie Dumfries. I point this out as it is a popular transit route for low level rotarys following the A74m North to South on VFR running from Carlisle to Scotland, however at cruise speed and at a FL of 1000ft or greater I doubt that the contact time with the depleted air would ever be enough to cause a flameout.
Last edited by staplefordheli; 20th March 2009 at 14:47.
Reason: forgot some text