booking a holiday it is easy to be confused when it turns out your flight to vancouver in canada goes to airport code yvr for london heathrow , others can leave passengers baffled - or in fits of laughter .
while many main airports have codes which make sense , such as jfk for john f. kennedy international airport in new york .
two aviation fans set out to document the world 's airport codes and explain how they were chosen with their website airport codes .