au where it was the water tribe who attacked, katara and sokka still found aang in the iceberg 100 years later, but then, kind of tried to kill him. luckily aang escaped in time to team up with a pair of plucky young fire nation siblings who ought to have
I mean I get the second opinion, but the boat obviously was docked safely. Which tells me they had the skills to go to port but were being overly cautious. Azula motivated the crew with fear, and this time, like many others, it worked out for her.