Royal Navy ranks

[fireflybob]

What Royal Navy rank is indicated by a single stripe surmounted by a small loop on the jacket cuffs?

Thanks for any help.

[paddywak]

sub lieutenant

[spursfan]

Hi fireflybob
Further to the answer given by paddywak I think a Commodore also wears a single stripe surmounted by a small loop
spursfan

[exscribbler]

It's sub-lieutenant; a Commodore's stripe is much thicker. The Navy know the loop as the executive curl...

http://www.royal-navy.mod.uk/server/show/nav.3 761