A few years back on a flight to Italy the ‘ding’ suddenly went off about ten minutes into the flight and the emergency exit lights went back on. Being still a nervous flyer, I was convinced something was terribly wrong with the plane.

We flew along like this with the gear down for what seemed like an age before the wheels went back up again. Pilot then came on to say the wheels were too hot, so he had lowered them to cool down.

You live and learn.