It is the poor or lack of training out of DTK that is the problem. Training by Bulletin or Newsletter just isn't cutting it.
The love affair with the FLCH button is a UAL thing and our FSAP stats puts us at the bottom of the industry. The other operators other than Asiana seem to have got VNAV figured out.
Let's not even have the discussion of the UAL embarrassments at LHR.
Fly Safe