Complex sentence: A 63 foot (19.2m) replica of the "Albemarle" has been at anchor near the Port O' Plymouth Museum in Plymouth since April, 2002; the ironclad replica is self-powered and capable of sailing on the river.
Split into simpler sentences: A 63 foot (19.2m) replica of the "Albemarle" has been at anchor near the Port O' Plymouth Museum in Plymouth since April, 2002. The replica is self-powered and capable of sailing on the river.