If you struggle to park your car at the supermarket spare a thought for the person behind the wheel of this one.

Eastern Daily Press: Lynn Docks. Picture: Archant LibraryLynn Docks. Picture: Archant Library (Image: Archant)

In the latest look into our archives, we found these pictures of a cargo ship manoeuvring into Lynn docks in the 1970s.

The helmsman or woman has to inch their vessel through a gap barely wide enough to sail through at the top of the tide, when the River Ouse briefly stands still between the flood and ebb.

Eastern Daily Press: Lynn Docks. Picture: Archant LibraryLynn Docks. Picture: Archant Library (Image: Archant)

Today even larger ships sail in and out - usually without scratching their paintwork.

Trade at the port is booming, with a new bulk terminal and hi-tech crane the latest investment in Lynn's future.

Eastern Daily Press: Lynn Docks. Picture: Archant LibraryLynn Docks. Picture: Archant Library (Image: Archant)

But while time doesn't stand still on ther quayside, one thing hasn't changed - the skill required on the part of the crew to sail in and out of the docks.

Eastern Daily Press: Lynn Docks. Picture: Archant LibraryLynn Docks. Picture: Archant Library (Image: Archant)

Eastern Daily Press: Lynn Docks. Picture: Archant LibraryLynn Docks. Picture: Archant Library (Image: Archant)