Emeryville Update: Pics of the unoccupied “boat”/homemade sub that was initially reported as a downed aircraft at 12:39PM & visible from the rear of ACFD Station 34. Rescue Boat 10 towed the vessel to the Emeryville Marina. The vessel was registered & tagged by Emeryville PD. pic.twitter.com/byJ0EuMARu

— Alameda County Fire (@AlamedaCoFire) April 30, 2018