The CAA has launched a survey to ask passengers about their disrupted travel during the snow in early December.
Click here if you want to respond
Typically of the 21st Century UK CAA, the list of airports offered - if you were inbound, at least - includes no London airport other than London City. If you were travelling to LHR, LGW or STN you have to select "Other" and then enter one of those.
Nor does it ask you to comment on the CAA's languid disinterest, as our economic and safety regulator, in the closure of the UK's 2 major hub airports for protracted periods due entirely to management incompetence. But there is a space at the end for freehand comments, if you wish to use it.