Many of the easy coast fishing smacks, worked for 70 -80 years.
I doubt any commercial vessels will be built in modern times that remain in
service that long.

The tugboat will have to be replaced in five years cos the laptop on the
bridge will be out of date


"William R. Watt" wrote in message
...

I was looking thorough regulatory filings on a company which owns some
tugboats in Freeport in the Bahamas and read that these tugboats have a
life expectancy of 5 years. That seems a bit short, esepcially after all
the hassle I've got in this newsgroup over using exterior grade plywood
with a life expectancy of maybe 10 years.

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