en_tn_condensed/act/27/02.md

We boarded a ship from Adramyttium which was about to sail along the coast of Asia

If your language requires a person to act here, you can add human actors: "We boarded a ship that people had brought from Adramyttium; they were about to sail it along."

a ship from Adramyttium

Possible meanings are 1) a ship that had come from Adramyttium or 2) a ship that was registered or licensed in Adramyttium.

about to sail

"soon going to sail" or "would depart soon"

went to sea

"began our journey on the sea"

Aristarchus

Aristarchus came from Macedonia but had been working with Paul in Ephesus. See how you translated his name in Acts 19:29.