We ended up on a private flight early the next morning, as the airfield last night had to cancel all flights back to Manhattan for several hours because of a helicopter pilot crashing on one of the runways. Someone poisoned the poor pilot with pistachio cake, not realising he had a severe nut allergy and almost killed the man. A bloody helicopter crash due to cake poisoning has to be one of the most farfetched reasons to delay a flight I have ever heard, and it put the airfield out of use ...