Originally Posted by
Bleve
Just because you can execute a visual approach, doesn't mean you should. Risk management (aka airmanship) would suggest that if operating into an unfamiliar airport when fatigued after a longhaul flight, accepting and flying a visual approach might not be the wisest choice. To quote Frank Borman (Apollo 8 Commander):
Absolutely. Still, if cleared for the visual you are are either able or you tell the controller "unable" and get vectors for the ILS. Cathay accepted and screwed up, United got an RA (they might have not followed), the controller sat and watched it happen...