Snowbird writes:

I see no reference to jet airliners in the OP's post.

It was in the posts preceding mine.

Your opinion again. That airliner captain would have training and experience
in using a magnetic compass, so it certainly would be better than nothing to
him.

It's better than nothing in the sense that hitting dirt is better than hitting
concrete.

There are such things as proficiency check flights, where the examiner may
choose to test the pilot's knowledge on that subject. Pilots obviously want
to pass the checkride. Anyway, it's not a particularly difficult skill.

Okay, how many private pilots are compelled to demonstrate flying with just a
compass alone for proficiency check flights? And how realistic is such a
demonstration; that is, how often are pilots actually in this type of
situation in real life?

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