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 missing? Were there any signs of struggle or distress on the boat?
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location
Lead #2Why was Michael on the boat in New Stuyahok Slough, and what was the family's intended activity or destination?
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evidence
Lead #3Were there any physical traces, debris, or clothing recovered from the water or surrounding area despite negative search results?
Michael Jack Acovak, a 25-year-old Alaska Native male, 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 with no explanation. Despite extensive search efforts, no trace of Michael has been found in over three decades, leaving his fate unknown.
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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 #4What were the water conditions, weather, and visibility on May 24, 1989, and could they have contributed to an accidental 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
unknownMichael Jack Acovak goes missing
Michael was discovered missing from his parents' boat in New Stuyahok Slough when his brother awoke. He was last known to be aboard the vessel.
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1989-05-24
Search efforts initiated
All search efforts following the disappearance were met with negative results.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:May 24, 1989 at Invalid Date
Last Updated:June 3, 2026
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Phone: 9072695511
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Case Information
Incident:May 24, 1989 at Invalid Date
Last Updated:June 3, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9072695511
You can remain anonymous