Country:  United States
Class, [Type]: Stalwart, [AGI].
Builder: Tacoma Boatbuilding, Tacoma, Washington, U.S.A.
Launch date: 24 May 1989.
Commission date: 20 October 1989.
Decommission date: 01 March 2004.

Displacement ( tons ): 1,565 light, 2,535 full load.
Dimensions ( metres ): 68,28 x 13,1 x 4,57
Main machinery: 4 x Caterpillar-Kato D-398B diesel ( 3200 hp ).
Speed ( knots ): 11.
Range ( miles ): 8.000 at 10 knots.
Complement: 21 (5 officers) + 15 scientists.

Radar: Ex - Vigorous. Transferred to the U.S. Environmental Protection Agency.
Sonar: UQQ-2 SURTASS (Twin-Line version).