Not an expert either but I found this: >Thus, if the ship was not a under command, unable to navigate or to reach port unaided, the service will be

Not an expert either but I found this: >Thus, if the ship was not a under command, unable to navigate or to reach port unaided, the service will be considered salvage even though the ship was not in imminent danger of destruction. >It was in the light of this that Gilmore posits that releasing a ship that has run aground or on reefs, breaching a ship to keep her from running on rock, raising a sunken vessel, putting out a fire, and recapture of a ship taken by pirates, are all salvage acts. The maritime salvor as a volunteer adventurer, Nzeribe Ejimnkeonye Abangwu, International Journal of Law, Volume 3; Issue 5; September 2017