The person at the center of this case
American Airlines Flight 625 passengers and crew
Cold Case · Open
42 years waiting · since 1983
AMBROSE HENRY MONTFORT
Justice for American Airlines Flight 625 passengers and crew — the trail went cold in 1983, but the truth hasn't.
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Key leads to think about
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evidence
Lead #1What was the actual nature of the device Montfort displayed (plastic box with battery and wire loop)? Was it a functional bomb or a hoax?
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suspect
Lead #2Where has Ambrose Henry Montfort been since the 1983 hijacking? Did he remain in Cuba or relocate?
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witness
Lead #3What accounts did passengers and crew provide about Montfort's behavior and the device he displayed during the hijacking?
On September 22, 1983, Ambrose Henry Montfort allegedly hijacked American Airlines Flight 625 shortly after takeoff from New York, claiming to have a bomb and demanding the plane be diverted to Cuba. The aircraft was redirected to Havana, where Montfort remained, and he was charged with aircraft piracy in absentia in 1984. Montfort's current whereabouts remain unknown, and the case remains open as he has never been apprehended.
Case
#675
Federal Bureau of Investigation (FBI); United States District Court, Eastern District of New York
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Official wording
Source Narrative
Crime Aboard an Aircraft - Aircraft Piracy Caution: Ambrose Henry Montfort is wanted for his alleged involvement in the September 22, 1983, hijacking of American Airlines Flight 625 en route from New York to St. Thomas/St.
Croix, United States Virgin Islands. Shortly after the plane took off, Montfort allegedly instructed a passenger to take a note to a flight attendant.
When the passenger read the note, Montfort allegedly announced that he had a bomb and wanted to go to Cuba. Those on board the aircraft observed Montfort holding a small, plastic box with possibly a battery taped to its side and a wire or string that had a wire loop on the end through which he had placed his finger.
Montfort's demands were relayed to the Captain of the plane, who then diverted his route and flew the plane to Havana, Cuba. A federal arrest warrant was issued for Montfort in the United States District Court, Eastern District of New York, on June 28, 1984, after he was charged with aircraft piracy.
Timeline of Events
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1983-09-22
American Airlines Flight 625 Hijacking
Ambrose Henry Montfort allegedly hijacked American Airlines Flight 625 shortly after takeoff from New York, claiming to have a bomb and demanding diversion to Cuba.
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1984-06-28
Federal Arrest Warrant Issued
A federal arrest warrant was issued for Montfort in the United States District Court, Eastern District of New York, charging him with aircraft piracy.
Key Locations
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Case Information
Incident:September 22, 1983
Last Updated:September 10, 2026
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Case Information
Incident:September 22, 1983
Last Updated:September 10, 2026