What's the name of the Ship ?

[Stirrick]

Fabulous, thank you, Hugh.

[MaecW]

I think Martin has read this record correctly.
    
World War 1 at Sea - Ships of the Royal Navy (https://www.naval-history.net/WW1NavyBritishShips-Dittmar3.htm#S) has :
STERLOCHY, hired drifter. Built 1910, 78grt, Buckie-reg BCK.65. In service 4.16-1919 on misc. service.

So it would appear that it was attached to HMS Cyclops initially and then transferred to HMS Gibraltar also at Scapa. (as opposed to the port of Gibraltar).

[AlanBoyd]

My computer blocks the link in reply #10 for some reason, but this version works, in case anyone else has the same problem:

http://www.naval-history.net/WW1NavyBritishShips-Dittmar3.htm

[NavySparker]

Small ships did not have paymasters on board so this function was conducted by a Depot ship. On Royal Navy service records these would be entered as Depot Ship (Tender Ship).  It would be the tender ship that the sailor was actually serving on.