What is firmly established
On November 24, 1971, a man who called himself Dan Cooper bought a cash ticket for Northwest Orient Flight 305 from Portland to Seattle. The FBI’s historical case page records the demand for four parachutes and $200,000 in twenty-dollar bills, the release of the passengers in Seattle and the aircraft’s second departure with crew still aboard. Somewhere between Seattle and Reno, after 8 p.m., the hijacker lowered the rear stairs and jumped into the night. Those points belong to the established case history. His real name, exact landing point, survival and later life remain unknown.
Sources: Federal Bureau of Investigation · FBI Vault
Flight 305 and the demand
The hijacking unfolded through notes and communication with a flight attendant rather than a public spectacle in the cabin. The man indicated that he had a bomb, displayed what appeared to be wires and red sticks in a case, and dictated his demands. After the plane landed in Seattle, the exchange was made and the passengers were released. The aircraft then departed under conditions the hijacker had specified. The official account is unusually useful because it separates the ordinary details—ticket, clothing, drink, seating—from later folklore. Those mundane observations shaped witness descriptions, investigative sketches and the early search.
Sources: Federal Bureau of Investigation · FBI Vault
The jump and the missing man
The jump created the mystery and also limited what investigators could prove. The weather was poor, the terrain below was difficult, the parachute could not be steered and the hijacker’s business clothing was badly suited to a wilderness landing. The FBI presents non-survival as a plausible theory, not a resolved fact. No body, identified equipment cache or verified later communication closed the question. That uncertainty invites confident stories, but a theory about likely survival is not an identification. The correct status remains unconfirmed even when a scenario feels physically persuasive.
Sources: Federal Bureau of Investigation · FBI Vault
What physical evidence remains
Several objects anchor the case. The hijacker left a black tie on the aircraft; the FBI later obtained a DNA sample from it, though that fact alone did not reveal a name. Parachutes left aboard and the configuration of the jump were examined. In 1980, a boy discovered $5,800 in deteriorating twenty-dollar bills near the Columbia River, and the serial numbers matched the ransom. The money proves that part of the ransom reached that location. It does not by itself prove how, when or whether Cooper carried it there. Good mystery reporting stops at the edge of what an object can establish.
Sources: Federal Bureau of Investigation · FBI Vault
Suspects versus identification
The FBI considered hundreds of people and, by the fifth anniversary, had narrowed but not solved the field. Similar crimes produced tempting candidates, including Richard Floyd McCoy, but the bureau says McCoy was ruled out based on witness descriptions and other reasons. A suspect becomes the hijacker only through evidence that survives comparison with the flight record, witnesses and physical material. Popular documentaries often reverse that order: they start with an interesting biography and interpret every ambiguity in its favor. The Vault files are valuable precisely because they reveal how much investigative work can exist without yielding a defensible identification.
Sources: Federal Bureau of Investigation · FBI Vault
Why the case remains open in culture
Even the name demonstrates how folklore grows. The man called himself Dan Cooper; ‘D. B.’ came from press reporting after investigators questioned a different person. That error became the permanent cultural label. In 2016 the FBI redirected active case resources to other priorities while preserving evidence and inviting specific physical information. The event therefore sits in two states at once: historically settled as a hijacking and culturally open as an identity puzzle. Readers can explore the FBI’s case page, image gallery and Vault files, but every proposed solution should still answer the same question—what new, testable evidence connects this person to Flight 305?
A useful way to evaluate a new Cooper claim is to make a two-column ledger. In the first column, list evidence that existed independently of the suspect’s story: witness descriptions, serial numbers, aircraft evidence and dated records. In the second, list details supplied after the person became a suspect. Strong identification must bridge the columns without relying on family resemblance, a dramatic deathbed account or a location chosen after the fact. The FBI’s archive does not forbid new evidence, but it shows the evidentiary burden any new solution has to meet.
Sources: Federal Bureau of Investigation · FBI Vault
Questions, answered
What is verified in this D. B. Cooper evidence guide?
Statements labeled as established are tied to the listed primary records. Identity claims, interpretations or outcomes absent from those records remain explicitly unresolved.