Before revision: Order of battle Spanish fleet Name Commander Type Displacement Armament Villa de Madrid Claudio Alvargonzález Frigate 4.731 Tm 31 cannons of 68 lb 6 cannons of 32 lb 5 cannons of 16 cm 2 cannons of 12 cm Blanca Juan Bautista Topete Frigate 3.800 Tm 10 cannons of 68 lb 26 cannons of 32 lb 3 cannons of 12 cm Allied fleet Country Name Commander Type Displacement Armament Perú Apurímac Manuel Villar Frigate 1.666 Tm 8 cannons of 68 lb 20 cannons of 32 lb 1 cannon of 130 lb 1 cannon of 68 lb Unión Miguel Grau Corvette 2.016,66 Tm 12 cannons of 70 lb 2 lower cannons América Manuel Ferreyros Corvette 2.016,66 Tm 12 lower cannon70 lb 2 lower cannons Chile Covadonga Manuel Thomson Schooner 630 Tm 3 cannons of 68 lb 2 cannons of 18 cm Battle The frigates Villa de Madrid and Reina Blanca appeared off the inlet of Abtao on February 7, 1866, but did not enter, for fear of the shallow waters.
After revision: ReinaOrder of battle Spanish fleet Name Commander Type Displacement Armament Villa de Madrid Claudio Alvargonzález Frigate 4.731 Tm 31 cannons of 68 lb 6 cannons of 32 lb 5 cannons of 16 cm 2 cannons of 12 cm Blanca Juan Bautista Topete Frigate 3.800 Tm 10 cannons of 68 lb 26 cannons of 32 lb 3 cannons of 12 cm Allied fleet Country Name Commander Type Displacement Armament Perú Apurímac Manuel Villar Frigate 1.666 Tm 8 cannons of 68 lb 20 cannons of 32 lb 1 cannon of 130 lb 1 cannon of 68 lb Unión Miguel Grau Corvette 2.016,66 Tm 12 cannons of 70 lb 2 lower cannons América Manuel Ferreyros Corvette 2.016,66 Tm 12 lower cannon70 lb 2 lower cannons Chile Covadonga Manuel Thomson Schooner 630 Tm 3 cannons of 68 lb 2 cannons of 18 cm Battle The frigates Villa de Madrid and Reina Blanca appeared off the inlet of Abtao on February 7, 1866, but did not enter, for fear of the shallow waters.