All At Sea!

I, without any help of any kind, moved a 350 tonne ship!
This came about, at aged 19, i was in the merchant navy
And for fun, i decided to board the ship pirate style
I started to pull myself along the main line rope, all seemed okay at first
but the nearer i got close to half way across, i felt the rope slacken
and as it slackened, i began to get closer, and closer to the water
not realising that my 10.5st weight could cause a 350 tonne ship to move!
I felt myself begin to panic. the ships life boat was already in the water
as we tested it regularly. a couple of crew rowed towards me
as by now, i was in the water, the panic increasing, as i'm a non swimmer
anyway, i clambered aboard the lifeboat, glad to feel safe
and was greeted by uproarous laughter from the French dockers!
meh!

by Jemia