The Daily Telegraph travel section has an interesting piece today on the effects of engine gas contamination in commercial aircraft cabin air systems . It's on
http://www.telegraph.co.uk/travel/75...g-us-sick.html
In the frame are British Aerospace 146, the Boeing 757, the Airbus A319 and the Embraer 145 -though I can think of a couple of other aircraft where there's a distinct whiff of my granny's old paraffin stove. However the real menace is said to be toxic additives to engine lubricant.
..So if anyone has suffered nausea and headaches on the flight deck then the BBC's Panorama on March 3 might be worth watching.