"Andrew Sarangan" wrote in message
oups.com...

Example 1: pilot may not be thoroughly familiar with the navigation
equipment

Example 2: pilot may be an old timer and may not like 'modern'
technology like GPS

Example 3: pilot may have found the equipment to be flaky in the past,
and is not comfortably using it

Example 4: Just because he doesn't feel like it.


None of those examples answer the question.



Why does it matter what the reason is?


Because being unable to explain why you believe what you believe tends to
indicate there's no reason to believe what you believe.



My point was, if he chooses not to use an equipment, he should not file
it.


But you have no idea why he shouldn't file that way.