Shark attack, 1985-07-21 (Boat)
Location: Off Shelter Cover (between Fort Bragg & Eureka), Humboldt County, California, USA
Activity: Bottom fishing for lingcod & had hooked a fish
Victim: 4.9 m fibreglass boat. Occupant: Jack Siverling (, age )
Injury: No injury to occupant, shark rammed boat catapulting it out of the water
Fatal: N
Species: 5 m to 6 m [16.5' to 20'] white shark
Source: R. Collier, p.172