Quasi derelict
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
When a vessel, without being abandoned, is no longer under the control or direction of those on board, (as where part of the crew are dead, and the remainder are physically and mentally incapable of providing for their own safety,) she is snid to be quasi derelict.
Sturtevant v. Nicholaus, 1 Newb. Adm. 449, Fed. Cas. No. 13,578.