RedactedNarrative: On Thursday June 17, 2021, a single vessel boating incident, with three occupants, occurred at approximately 7:10AM in The Rigolets, located in St. Tammany Parish. Operator (50yrs) was identified as the operator and owner of Vessel One. Vessel One was identified as a 22’8” Blue Wave RS1 bay boat. Two juvenile males onboard at the time of the incident were identified as Occupant 1 and 2. Vessel One was on plane in The Rigolets waterway heading east toward Lake Borgne when the 300 horse powered Mercury Pro Verado attached to the vessel fell off while underway. The motor began to detach from the vessel causing an abrupt starboard turn as the motor continued to run until it fully detached from the vessel and sank. All three occupants were ejected from the port side of the vessel. The two juveniles were wearing PFD's and were able to swim back to the floating disabled boat. Operator stated that the current made it difficult for him to swim back to the boat. He stated that his son was able to retrieve a PFD from the boat and swim back to him to provide the PFD. His son then swam back to the vessel and engaged the vessels trolling motor. All three occupants made it back to the vessel, assessed their injuries, and called for help via cellphone. LDWF Enforcement Agents, St. Tammany Sheriff's Office deputies, St. Tammany Fire District 1 firefighters, and Acadian EMS units responded to the incident. Alcohol or drugs are not to a contributing factor to this incident. The juveniles throughout the voyage wore PFD’s. The adult male, Operator, was not wearing a PFD at the time of the incident. The vessel is equipped with remote steering. Evidence supports that the four stainless steel bolts used to attach the motor to the jack plate failed, and the motor detached from the vessel and sank.. Contributing factors: Fault of Equipment.