That the means of ventilating the vehicle decks is in use at all times, is increased when the engines of the vehicles are running and that there is some form of indication on the bridge to show that the vehicle deck ventilation is in operation.7.
Go bhfuil na córais aeraithe ar dheiceanna na bhfeithiclí in úsáid i gcónaí, go n-ardaítear a gcumhacht le linn innill na bhfeithiclí a bheith ar siúl agus go bhfuil táscaire éigin ar an droichead a chuireann in iúl go bhfuil an córas aeraithe ar dheic na bhfeithiclí ag obair.7.