The Panamax freighter "Huntress", as mentioned in the beginning of the episode, is a ship that can pass through the Panama Canal.
Black Canary's sonic kiss is similar to character Sonya Blade's from the Mortal Kombat video games.
The titles of this and the next episode together form the sentence "Divided We Fall", which is the title of the 12th episode of the 2nd season of the Justice League Unlimited animated series