The person at the center of this case
William Raymond Robideau
Missing Person · Open
43 years waiting · since 1983
Missing Person: William Raymond Robideau
Justice for William Raymond Robideau — the trail went cold in 1983, but the truth hasn't.
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Key leads to think about
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vehicle
Lead #1Where is the aircraft? No wreckage has been located despite decades of search efforts.
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person
Lead #2What were the circumstances and condition of the three occupants at the time of disappearance?
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evidence
Lead #3Has any debris or wreckage from the aircraft ever been discovered in the remote Alaska wilderness?
William Raymond Robideau, a 38-year-old pilot, disappeared on February 1, 1983, while flying an aircraft between Melozi Hot Springs and Fairbanks, Alaska with two passengers aboard. The aircraft became overdue and has never been located, leaving the fate of all three occupants unknown. Despite decades of investigation by Alaska State Troopers, the case remains unsolved and any information about the aircraft's location or what occurred could finally bring answers to the families involved.
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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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witness
Lead #4Did anyone report seeing the aircraft or unusual activity on February 1, 1983 between the two locations?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP68181. Missing person: William Raymond Robideau.
Last known contact: 1983-02-01 in Fairbanks, Fairbanks North Star, AK. Circumstances: William was a pilot in an aircraft overdue between Melozi Hot Springs and Fairbanks.
Missing with passengers Kenneth Erlewine (MP#66715) and Susan Edmondson (MP#66547). Demographics: 38 years, Male, White / Caucasian.
Physical description: 5 ft 5 in, 160 lbs, hair: Black, eyes: Brown. Clothing and accessories: Clothing: Brown carhartts Coat Down vest; Footwear: Insulated bean boots.
Investigating agency: Alaska State Troopers | E83004421 | 1983-02-02.
Timeline of Events
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1983-02-01
Aircraft overdue
William Raymond Robideau's aircraft became overdue while flying between Melozi Hot Springs and Fairbanks with passengers Kenneth Erlewine and Susan Edmondson aboard.
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1983-02-02
Investigation initiated
Alaska State Troopers opened case E83004421 following the aircraft going missing.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:February 1, 1983
Last Updated:September 26, 2026
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Phone: 9072695511
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Case Information
Incident:February 1, 1983
Last Updated:September 26, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9072695511
You can remain anonymous