Many Airlines (or more accurately the Trainers of the Training Department) specify a series of checks at Top Of Climb. Often there’s no basis in this from an Airline SOP’s or Manufacturers point of view – which doesn’t mean they’re not valuable for situational awareness …








![coldtemp12 Cold Temperature Altimetry Corrections [Corrected 26Jun17]](https://www.infinidim.org/wp-content/uploads/2016/11/ColdTemp12.jpg)





