Kevin Harrison, a corrupt arms dealer, attempts to destroy an American-owned Concorde on its maiden flight after one of the passengers, reporter Maggie Whelan, learns of his weapons sales to communist countries during the Cold War.
The Concorde takes off from Charles de Gaulle Airport in Paris and lands at Dulles Airport outside Washington, D.C., despite being forced to perform a go around when environmental protestors deliberately fly a hot air balloon into its approach path.
Maggie reports on the flight the following day, which leads to a story of Harrison and his Buzzard surface-to-air missile project. A man named Carl Parker shows up to Maggie with a claim about documentation of illegal arms deals, but is shot by an assailant who chases Maggie throughout the house before a passerby triggers a fire alarm, scaring the assailant away.
Maggie is told by Harrison someone is framing him. He sends Maggie off in a limo, then plots to destroy the Concorde with Maggie on it by reprogramming an attack drone test with the Concorde as the new target. Capt. Joe Patroni and Capt. Paul Metrand board the Concorde, where they are joined by Peter O’Neill, the 2nd officer and flight engineer.
Harrison surprises Maggie at the airline check-in desk to see her off. He asks whether the documents have shown up, but they have not. As he is walking away, Parker’s wife delivers the documents to Maggie as she steps into the mobile lounge. She looks them over and realizes that Harrison has lied to her.
As the Concorde is approaching the European coastline, an F-4 Phantom II sent by Harrison engages the Concorde as French Air Force Mirage F1s scramble to help. The Concorde evades the F-4’s missiles, but the explosion of one of them damages the plane’s hydraulics. The Mirages shoot down the F-4 before the Concorde reaches the French coastline to continue towards Paris.
Due to hydraulic system damage, the plane lands at Le Bourget Airport instead of Charles de Gaulle. The Concorde barely stops at the last safety net. Metrand and Isabelle invite Patroni to dinner.
Harrison promises Maggie to go public with the documents but attempts to bribe her into “polishing” his statement. After being paid by Harrison, a mechanic places a device in the Concorde’s cargo door control unit, timed to open during flight.
En route to Moscow, the automatic device opens the cargo door, causing a sudden decompression, damaging the aircraft as it spirals towards the ground. The pilots attempt to land on a mountain-side ski area in the Alps for an emergency landing, successfully saving the passengers.
While passengers are being rescued, Maggie reports on the accident to a news reporter and mentions a major story she is about to release. Harrison, en route back to Washington, sees the newscast in his private plane and commits suicide. The last of the crew leaves the Concorde shortly before the fuselage explodes from leaking fuel.
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