SH-60B variant for Spanish Navy designated HS.23 List of Operators of Sikorsky S-70B-1 Seahawk From Organisation with model S-70B-1 Seahawk 1989 Arma Aerea de la Armada EspaƱola S-70 H-60 14 1989/ Construction Numbers on database of S-70B-1 Seahawk 12s-70b-1 Construction Numbers Help Us C/NYearHistory 70-481 HS.23-01 70-482 HS.23-02 70-483 HS.23-03 70-484 HS.23-04 70-485 HS.23-05 70-487 HS.23-06 70-2616 HS.23-07 70-2660 HS.23-08 70-2663 HS.23-09 70-2665 HS.23-10 70-2673 HS.23-11 70-2680 HS.23-12 12 C/N.