A 27 ft Whaler aboard HMS Rodney

A 27ft Whaler of HMS Cyclops.

Plenty to find, google Montagu Whaler.

(https://en.wikipedia.org/wiki/Montagu_whaler)

https://www.1nelson.ca/uploads/1/4/2/3/14230335/service_whaler_manual.pdf

ON BOARD THE DESTROYER HMS COSSACK DURING TORPEDO AND ANTI-SUBMARINE EXERCISES. 1940.
ON BOARD THE DESTROYER HMS COSSACK DURING TORPEDO AND ANTI-SUBMARINE EXERCISES. 1940. © IWM (A 1589)

HIGH COMMISSIONER FOR NEW ZEALAND VISITS THE TRAINING ESTABLISHMENT HMS ST VINCENT. 15 APRIL 1942
HIGH COMMISSIONER FOR NEW ZEALAND VISITS THE TRAINING ESTABLISHMENT HMS ST VINCENT. 15 APRIL 1942 © IWM (A 8275)