My money is on Propane from the Galley.
My money is on Propane from the Galley.
...
The stairs and the escape hatch led to the galley so a fire there would trap them.
There is no propane or any other explosive gas / chemical / metal stored on the boat - except lithium batteries for dive and video lights - they would be on the charge overnight getting ready for the next days diving
“My money is on Propane from the Galley.”
See #7 and look at where the ladders lead up to.