Correct use of pitot heat

[Kit d'Rection KG]

Originally Posted by IO540

it seems that the pilots concerned lacked the most basic systems knowledge.

Pitot/static problems are possibly the most unpleasant things to encounter in a large transport aircraft, and are not well trained in many operations. It may be very difficult indeed to comprehend what is going on, and it may be almost impossible to dismiss visual cues which are deeply ingrained as reliable.

That accident had precious little to do with systems knowledge, in my opinion.

On the plus side, I'm sure the bereaved relatives will be most heartened to read your analysis...