The person at the center of this case
William Elliott Cork (41-year-old male) and Nichol Silas
Missing Person · Open
30 years waiting · since 1996
Missing Person: William Elliott Cork
Justice for William Elliott Cork (41-year-old male) and Nichol Silas — the trail went cold in 1996, but the truth hasn't.
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Key leads to think about
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vehicle
Lead #1What caused the white Grumman Turbine G-21A Goose seaplane (N660PA) to crash in Constantine Bay when it was only scheduled for a 20-minute flight?
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evidence
Lead #2What remains of the aircraft and the two occupants, and why has the wreckage not been fully recovered or investigated?
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location
Lead #3Why was the aircraft debris found 6 miles from the intended flight path to Dutch Harbor?
William Elliott Cork and Nichol Silas departed Anderson Bay, Alaska on August 11, 1996, in a white Grumman Turbine G-21A Goose seaplane (N660PA) for a scheduled 20-minute flight to Dutch Harbor, but never arrived at their destination. Part of the aircraft was discovered on a beach in Constantine Bay, approximately 6 miles northeast of Unalaska, suggesting a crash in the remote Aleutian Islands region. Despite decades of investigation, the full circumstances of the disappearance and the fate of both occupants remain unknown, and authorities continue to seek information that could help resolve this case.
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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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person
Lead #4What was the purpose and nature of the flight, and were there any known mechanical or weather issues prior to departure?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP67268. Missing person: William Elliott Cork.
Last known contact: 1996-08-11 in Dillingham, Dillingham, AK. Circumstances: William and Nichol Silas, MP #67004 are missing in a white Grumman Turbine G-21A Goose plane with tail number N660PA that departed Anderson Bay at 1610 hours on a 20-minute flight to Dutch Harbor.
Part of plane was found on the beach in Constantine Bay about 6 miles northeast of Unalaska. Demographics: 41 years, Male, White / Caucasian.
Physical description: 5 ft 10 in, 165 lbs, hair: Brown, eyes: Blue. Investigating agency: Alaska State Troopers | 960056737.
Timeline of Events
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1996-08-11
16:10Aircraft departure
White Grumman Turbine G-21A Goose (N660PA) departed Anderson Bay with William Elliott Cork and Nichol Silas on a scheduled 20-minute flight to Dutch Harbor
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1996-08-11
Aircraft debris found
Part of the aircraft was discovered on the beach in Constantine Bay, approximately 6 miles northeast of Unalaska
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:August 11, 1996 at 4:10 PM
Last Updated:September 28, 2026
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Phone: 9072695511
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Case Information
Incident:August 11, 1996 at 4:10 PM
Last Updated:September 28, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9072695511
You can remain anonymous