Porter planned to send two boats carrying men to board Phoebe at night. Warnings reached Hillyar from the local merchant association, British merchants and agents, the Chilean governor, and other boats acting independently. More boats carried advance warnings than Porter intended to use for the attack. The number of local sources deprived the proposed boarding action of surprise.
Notable Point · 1:36:52-1:38:48
Local warnings exposed Porter's night boarding plan
Several independent warnings reached Hillyar before Porter's planned two-boat attack on Phoebe.