On the foggy night of 23rd September 1965,
the Esso Wandworth was bound from Thames Haven with fuel oil
for Littlebrook power station at Dartford on the River Thames.
At 1050 pm, when in the vicinity of the Ovens Buoy, Lower Hope reach,
sshe was in collision with the Dutch motor vessel Moerdyk (11,127 gt, 1965),
which was outward bound from the Royal Docks for Havre and Vancouver.
The Esso Wandworth was holed in the port side of No 1 tank,
being cut thru to the centerline with the cargo tank,
ballast tank, pump rooms and store rooms flooded.
There was also extensive deck damage
and some 800 tons of her cargo were lost into the river.
The vessel was beached on the mudflats upstream of trhe buoy,
with four tugs in attendance
The Moerdyk, holed in the forepeak
and split on her starboard waterline,
anchored off Alpha Jetty, Cliffe for inspection.
She later proceeded to Rotterdam, discharged her cargo,
and was repaired by the Rotterdam Dry Dock Company.
The Esso Wandworth was refloated on 26th September
and towed to Purfleet where she was discharged.