They didn't on the A Boats that I served in!
I'd rather be 'in it' rather than ' on it' at diving stations.
Although I was left under the casing once securing the lines, fortunately they heard my screams!
We had the in/on discussion at a SA Social evening, our President is very firm on it being in.
We sailed from Weymouth as young stoker waved is goodbye from the jetty.
Sadly he should have sailed with us but was adrift so had to face the captains table when he arrived back onboard.