Entwistle has manufactued retractable
bitts and chocks for the United States Navy and its
shipbuilding prime contractors for over fifteen years.
The bitts and chocks can be fully retracted into
a flight deck during flight operations thereby allowing
ships mooring equipment in the area of the flight
deck of the ship. The retractable bitts and chocks
meet the requirements of NAVSHIPS Drawing 805-1843362.