Designer: Maritime Administration
Builder: Aerojet-General Shipyards, Jacksonville, FL
Launched: March 1967
Delivered: April 1968
Commissioned: October 1968
Hull Number: S221
Call Letters: WTEF
Home Port: Seattle, WA
Length (LOA): 70.4 m (231 ft.)
Breadth (moulded): 12.8 m (42 ft.)
Draft, Maximum: 4.4 m (14.3 ft.)
Hull: Welded steel/ice strengthened
Displacement: 1,800 tons
Gross Tonnage: 1,591
Net Tonnage: 578
Cruising Speed: 12 knots
Range: 5,898 nmi
Endurance: 22 days
Endurance Constraint: Stability


http://www.moc.noaa.gov/ra/specs/general.htm