Jag vet inte vad regelverket säger, men det stämmer med de typer jag flugit.

OPS 1.795
Crash axes and crowbars
(a) An operator shall not operate an aeroplane with a maximum certificated take-off mass exceeding 5 700 kg or having
a maximum approved passenger seating configuration of more than nine seats unless it is equipped with at least one
crash axe or crowbar located on the flight deck. If the maximum approved passenger seating configuration is more than
200 an additional crash axe or crowbar must be carried and located in or near the most rearward galley area.
(b) Crash axes and crowbars located in the passenger compartment must not be visible to passengers.