Watertight Door Procedure

Periodical Testing of Watertight Doors

Operational tests of watertight doors, shall take place weekly. For Yachts in which the voyage exceeds one week in duration, a complete set of operational tests shall be held before the voyage commences, and others thereafter at least once a week during the voyage.

REG code 2021

I like this YouTube video. It would be good material for anyone studying GSK, Seamanship or Orals