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 of Michael's disappearance—did he fall overboard, leave voluntarily, or was there foul play involved?
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witness
Lead #2Were there any other witnesses on or near the boat that night who could provide details about Michael's final hours?
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location
Lead #3Why were extensive search efforts in the slough unsuccessful—what conditions existed that may have hindered recovery?
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 questions about whether he fell overboard, left the boat voluntarily, or met another fate.
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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 #4Michael was wearing distinctive blue knee-high rubber boots and dark corduroy clothing—have any of these items ever been recovered?
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Even the smallest detail could be the key to solving this case.
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 Acovak goes missing
Michael Jack Acovak, age 25, was found missing from his parents' boat in New Stuyahok Slough. His brother awoke to discover him gone with no explanation.
Key Locations
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Case Information
Incident:May 24, 1989
Last Updated:July 16, 2026
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Case Information
Incident:May 24, 1989
Last Updated:July 16, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9072695511
You can remain anonymous