Evidently, DFC, you are incorrect in some cases. Did you watch the video?
Yes, it reguluarly comes up in training.
However, even the U-Tube version frequently flashed to the DME readout.
Perhaps the IO540 version would have the camera flash frequently to the GPS readout showing x miles to go which could also being ignored.
Remember that the film highlighted the fact that even after they had outside visual references which should not have appeared as they did, it took some time for them to wake up and for the brain to resolve that actually being at xxx ft close to the town was not a good place to be.
Ask an instructor about tunnel vision.
Higher than normal rate of descent, earlier than expected descent point, less power than normal, towns appearing in unusual places..........what good is an unapproved GPS that no professional would risk their aircraft on anyway be when one ignores all that?
I can just picture the meeting with the chief pilot!
So you went round (or did not go round) because your £400 unapproved handheld GPS told you to despite the copilot, the observer, the ILS, the DME, the outside visual references all saying something that your toy did not?
Boot, Door, Ass skid to the dole office for a long time!
Why is it that people who have only been flying sime GPS was established think that thre is simply no other way to fly?
Perhaps you should look up that BA incident some time ago where
map shift was a factor.
In the professional forum, this is being highlighted as a failure in corsschecking and situational awareness. Not as a "they should have had GPS" debate.
Situational awareness failure - the brain knows where it is but the mind does not recognise the problem with being there at that time.
Typical GA version is being IMC at a level below the surrounding terrain - they know where they are in a vertical and horizontal sense but for some reason the brain does not shout "idiot" loud enough.
Don't confuse situational awareness failure with being lost!
Regards,
DFC