In the wilderness, you can't rely on maps to the point where you lose control of the situation, or let reliance on technology override prudence and common sense.
Lose control of the situation, and the situation controls you.
We all wish the best for him and his family.
We hope that he is found by the searchers soon.
The fact that he has not identified himself with four helicopters above and with hundreds of searchers also making lots of noise on the ground ( after 4 days ? ) is not a good sign.