Ku dhammaystiro weedhan soo socota: Sannadkii 1925, labada markab ayaa dib loo hagaajiyay, iyadoo kuleylka dib loo rogay oo loo beddelay isticmaalka saliida. Sanadkii 1932-kii
Dagaal ayaa ka dhex qarxay Peru iyo Kolombiya, kaas oo lagu qabsaday dhul kuyaala kaymaha Amazon. Bishii Maajo 1933, "Almirante Grau", oo ay wehliyaan laba markab oo hoostiisa mara, ayaa loo diray kanaalka Panama ilaa webiga Amazon si ay u taageeraan hawlgallada maraakiibta dagaalka ee Peru ee Amazon. Si kastaba ha ahaatee, dagaalka ayaa dhamaaday ka hor inta aysan imaan, sidaas darteed "Almirante Grau" iyo labadii maraakiibta hoostiisa mara waxay ku noqdeen Pacific.