[citation needed] In 1500, the Bruneian Royal Navy engaged in a conflict in Luzon, against Tondo, acting as a landing force.

In 1521, Antonio Pigafetta documented that Brunei's navy had a fleet of over one hundred boats, these were involved in an attack with a faction in the south, possibly modern day Kalimantan.

To enhance Brunei's naval capabilities, forty Javanese blacksmiths were paid, potentially paving the way for the introduction of cannon casting.

[3] On 15 April 1578, a Spanish armada comprising forty galleons[citation needed] appeared off the coast of Brunei, following the Sultan's rejection of a treaty with the Spaniards in 1573.

[6][7] It is clear that Brunei's navy was completely crumbled or was less active by the 19th century, due to the sultanate's defensive nature after the civil war and piracy.