This is possibly the most idiotic action I've seen in 20+ years in the industry. He is either mentally impaired or a top shelf d$head.
Why?
Similar to what skipper1981 said. 40 yonks ago we were all taxying up to the Birdsville pub in our Aztrucks and Twin Apaches as a matter of normal course.
The Shell Road Maps have better detail on them than the crappy WACs etc anyway.
A Shell road map was essential during the same period when navigating around the Top End and Central NT