length 62.8 feet, beam 17 feet, draft 5.3 feet. Built in 1847
for the Coast
Survey. In Atlantic service 1847-1861. Named for John Y. Mason,
16th Secretary of the Navy, March 1844 to March 1845, under
President John Tyler and Attorney General and then 18th Secretary
of the Navy under President James K. Polk from September 1846
to March 1849.
length 63 feet, beam 18 feet, draft 5.5 feet. Built in 1851.
In service 1851-1872 on Atlantic coast. Named for William M.
Meredith (1799-1873), nineteenth Secretary of the Treasury.
He served under President Zachary Taylor from March 1849 to
July 1850. Meredith was interested in Coast Survey operations
and recommended a revision of laws affecting the Coast Survey.