Nyorai kupfuurira kweiyi ndima - "Ambuscade" yakashanda sehwaro hwekugadzirwa naYarrow kwema s ayo akashanda muPortuguese Navy ("Marinha Portuguesa") kubva muna 1933 kusvika muna 1967. Ngarava shanu dzakarayirwa nePortugal muna 1932. Yokutanga miviri, NRP "Douro" uye "Tejo", iyo yakaiswa pasi musi wa 9 June 1932, yakatengeswa kuColombia Navy vasati vapedza muna 1933. Ikoku kwakanga kuri kupindura Hondo yeColombia nePeru
. Zita uye "Caldas" zvichiteerana, ivo vakashandira maColombia se. Dzimwe ngarava mbiri dzakarayirwa nePortugal Navy kuti dzivatsive. Zvikepe zviviri zvakavakwa paYarrow's shipyard muClydebank, Scotland, uye zvimwe zvose muLisbon nemichina yeYarrow.