dt 25572

[bathchap]

Stuck on top left hand corner.
7ac Period given to R.N. formation to enter battle (9)
??????h?
3d Great frolic on the carriage (8)
???a?t??

Thanks in anticipation

[Aquagility]

7a fortnight

[bathchap]

Why fortnight? Can't see it. while you are there! . . . .
10ac Coastline seen from quarters on a ship (9) Is it headland?

2d Building on firm foundations (6) ?t???e

[kettledrum]

anag 'to RN' inside fight

[bathchap]

thanks kettledrum. Had managed to work it out!