The person at the center of this case
Michael Jack Acovak
Missing Person · Open
37 years waiting · since 1989
Missing Person: Michael Jack Acovak
Justice for Michael Jack Acovak — the trail went cold in 1989, but the truth hasn't.
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Key leads to think about
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witness
Lead #1What did Michael's brother observe when he discovered Michael was missing? Were there any signs of struggle or distress?
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evidence
Lead #2Were there any search and rescue operations conducted in the slough, and what areas were covered?
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location
Lead #3Why was Michael on the boat at that location, and what was the purpose of the family outing?
Michael Jack Acovak, a 25-year-old Alaska Native man, disappeared on May 24, 1989, while aboard his parents' boat in New Stuyahok Slough near Dillingham, Alaska. His brother awoke to find Michael missing from the vessel, and despite extensive search efforts, no trace of him has been recovered. The circumstances of his disappearance remain unexplained, and investigators continue to seek information about what happened that night.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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clue
Lead #4Were there any environmental factors such as weather conditions or water conditions that night that could explain the disappearance?
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Official wording
Source Narrative
NamUs case MP66634. Missing person: Michael Jack Acovak.
Last known contact: 1989-05-24 in Dillingham, Dillingham, AK. Circumstances: On 05/24/1989, Michael and his brother were aboard their parents boat.
Michael's brother awoke and found Michael to be missing. They were in a boat in New Stuyahok Slough at the time.
All search efforts were met with negative results. Demographics: 25 years, Male, American Indian / Alaska Native.
Physical description: 5 ft 5 in, 145 lbs, hair: Black, eyes: Brown. Clothing and accessories: Clothing: Black or blue corduroy pants Black or blue corduroy coat Dark sweater; Footwear: Blue knee high rubber boots.
Investigating agency: Alaska State Troopers | 890035617 | 1989-05-24.
Timeline of Events
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1989-05-24
Michael Jack Acovak goes missing
Michael was aboard his parents' boat in New Stuyahok Slough when he disappeared. His brother awoke to find him missing from the vessel.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:May 24, 1989
Last Updated:September 29, 2026
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Phone: 9072695511
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Case Information
Incident:May 24, 1989
Last Updated:September 29, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9072695511
You can remain anonymous