Country: United Kingdom.
Class, [Type]: M-15, [monitor].

Builder: William Gray, Hartlepool, U.K.
Launch date: 15 May 1915.
Commission date: 1915.
Decommission date: 29 January 1920.

Displacement ( tons ): 540 full load.
Dimensions ( metres ): 54 x 9,4 x 2.
Main machinery: Pool & Bolinder 4-cylinder semi-diesel ( 640 hp ).
Speed ( knots ): 11.
Complement: 69.

Guns: 1 x 1 234mm Mk10, 1 x 1 76mm AA, 1 x 1 57mm AA Mk1.