Inflatable sib.

[Seastoke]

The SIB bit had me confused too so had to look it up. A per hate of mine is all this use of acronyms particularly when they are not necessary - is it just laziness that people can't be bothered to write/type/speak things out in full?

God everybody uses abbreviations FFS .Fully Fitted Sib.

 

[Bodach na mara]

Self Inflatable Boat? Small Indicator Buoy? Tell us what it is! Please.

 

[Mark-1]

is it just laziness that people can't be bothered to write/type/speak things out in full?

IDK.