The side scuttle has a hinged thick glass light (also sometimes called a sidelight) which, when closed by butterfly nuts, makes a watertight joint with the frame; and has a hinged deadlight which is lowered and clamped over the light to darken ship .
Izikroba ezisemacaleni zinesibane esineglasi etyebileyo (maxa wambi sibizwa ngokuba sisibane sasecaleni) esithi, xa sivalwe ngemortyisi ebubhabhathane, eyenza umdibaniso wokuthintela amanzi angangeni; kwaye inehenjisi ehlisiweyo yaza yacinezelwa phezu kokukhanya ukwenza mnyama ngaphakathi enqanaweni.