Don't know where to find numbers, but searching AvHerald could give you some qualitative feel for it. Definitely happens quite a bit (no wonder, given how many

Don't know where to find numbers, but searching AvHerald could give you some qualitative feel for it. Definitely happens quite a bit (no wonder, given how many flights there are per day). http://avherald.com/h?search_term=incapacitated&opt=0&dosearch=1&search.x=0&search.y=0 http://avherald.com/h?search_term=incapacitated&opt=0&dosear... EDIT to add: fortunately, p^2 is quite small for small p. And apparently there are rules in place to prevent both pilots having the fish for dinner. https://aviation.stackexchange.com/questions/555/is-it-true-that-the-pilot-and-co-pilot-are-required-to-eat-different-meals https://aviation.stackexchange.com/questions/555/is-it-true-... http://www.traveller.com.au/why-pilots-dont-eat-the-same-meals-as-passengers-or-other-pilots-h15uof http://www.traveller.com.au/why-pilots-dont-eat-the-same-mea... EDIT 2: "More recently, a 2010 Civil Aviation Authority report suggested that between 30 and 50 pilots, operating flights to or from a UK airport, are incapacitated at the controls every year – many because of food poisoning." (from the last link above)