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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evidence
Lead #1What were the exact circumstances that led to Michael being on deck or leaving the cabin? Were there signs of struggle or distress?
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witness
Lead #2What did Michael's brother observe when he discovered Michael missing? Were there any other witnesses aboard or nearby?
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location
Lead #3Why were they in New Stuyahok Slough at that time? Were there known hazards or currents in that area?
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 with no explanation. Despite comprehensive search efforts, no trace of Michael has been found in over three decades, leaving questions about whether he fell overboard, left the boat voluntarily, or met with foul play.
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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.
💡
clue
Lead #4No body or personal effects have been recovered despite extensive searches—could Michael have survived or intentionally left?
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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's brother awoke aboard the parents' boat in New Stuyahok Slough to discover Michael was missing. All search efforts yielded negative results.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:May 24, 1989
Last Updated:July 17, 2026
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Phone: 9072695511
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Case Information
Incident:May 24, 1989
Last Updated:July 17, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9072695511
You can remain anonymous