Think Quint was drinking too much of his own moonshine:-
Though the general details of Quint’s monologue follow the event correctly, many aspects, like the shark deaths mentioned in Jaws were modified for emotional effect. For starters, the boat sunk on July 30th, not June 29th. There was also no "Herbie Robinson from Cleveland" aboard, so Quint seeing him half-eaten was fabricated. Also, Quint believes their mission was so secretive nobody sent a distress signal, but historically a signal was sent and ignored by a drunk radio commander. The biggest discrepancy is that sharks were the main cause of death for the men in the water. Quint's story in Jaws implies 600 men were killed by sharks, whereas sharks truly only attacked a small amount; many succumbed to hypothermia, suicide, or homicide from delusion, starvation, and thirst.
Still…..they delivered the