Sluggo's Northwest 305 Hijacking Research Site

Discussions about NORJAK, Northwest (Orient) Airlines Flight 305. With discussions about Dan Cooper or D B Cooper, Duane Weber, Ralph Himmelsbach, Richard McCoy, Teddy Mayfield, and others.

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Page Contents

*        Welcome

*        About This Site

*        An Overview of November 24th, 1971

*        Some of Sluggo’s Favorite Links




Welcome to Sluggo’s “NW 305 Hijacking Research Web Site”. Look around, stay awhile and come back to visit often.


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About This Site

Why It’s Here

This site is designed for the serious researcher of the NW Airlines Flight 305 Hijacking, the only unsolved domestic (USA) airline hijacking. Although there is very little known about the hijacker, the pseudonym “D. B. Cooper” or “Dan Cooper” has given rise to an entire body of speculation, conjecture, and myth. Unfortunately, in the last 20 years, the mythology surrounding D.B. Cooper has far exceeded the facts of the case.


It is the stated purpose of this web site to “set the record straight” and publish the known facts about the case. In many cases, Sluggo will discuss the popular myths, but they will be identified clearly as such.


Who Is Sluggo Anyway?

I have been interested in the Flt. 305 hijacking since just a few years after it occurred (approximately 1974 or 1975). In the early years after the hijacking, the only sources of information (mostly Sluggothe print media) were already publishing half-truths and mangled facts. Finding quality information was very difficult. At that time, the FBI (the lead agency for the investigation) was not releasing very much information to the public. Since then (beginning in November of 2007) the FBI has started releasing more and more information and revealing some of the data gained from their investigation. The only problem is the new data is being applied to the myths rather than the facts. It is my desire to build a “one-stop shopping” site to be used by anyone who wants to know more about the facts in the case. If you wish to contact me you may e-mail me at .


Additional discussions about this crime can be found at the “D B Cooper Research Yahoo Discussion Group” (registration is required), there are also some large data files and high resolution maps of the jump area in the image and files sections of that group. Hop over there and take a look!


Group Email Addresses:

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Some of my other interests are: Geocaching, NASCAR racing, Amateur Radio, Music (I play trombone), Flying (I am a Private Pilot), hiking, and watching my grandson grow. I am married (my wife is “Sugar”), 60 years old, and getting crabby in my old age. I occasionally work as a consultant to the Nuclear Power industry, and Department of Energy.


What You Will Not Find On This Site

You will not find conspiracy theories on this website. If you want to read about how the FBI arranged for Cooper to do the skyjacking, and get away with the money as payment for assassinating John F. Kennedy, or how Cooper worked for the CIA and the skyjacking was a device to distract the public’s attention from the Viet Nam war, well, you’re going to have to go somewhere else.  You won’t find that kind of stuff here.



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About the Northwest Flight 305 Hijacking

On the afternoon of November 24, 1971 a non-descript man calling himself Dan Cooper approached the counter of Northwest Orient Airlines in Portland, Oregon. He used cash to buy a one-way ticket on Flight #305, bound for Seattle, Washington. Thus began one of the great unsolved mysteries in US crime history.


Cooper was a quiet man who appeared to be in his mid-forties, wearing a business suit with a black tie and white shirt. He ordered a drink—bourbon and soda—while the flight was waiting to take off. A short time after Sketch of D B Cooper (Dan Cooper) based on witness descriptions.3:00 p.m., he handed the stewardess a note indicating that he had a bomb in his briefcase and wanted her to sit next to him.


The stunned stewardess did as she was told. Opening a cheap attaché case, Cooper showed her a glimpse of a mass of wires and red colored sticks and demanded that she write down what he told her. Soon, she was walking a note to the captain of the plane that demanded four parachutes and $200,000.


When the flight landed in Seattle, the hijacker exchanged the flight’s 36 passengers for the money and parachutes. Cooper kept several crewmembers, and the plane took off again, ordered to set a course for Mexico City.


Somewhere between Seattle and Reno, sometime around 8:13 p.m., the hijacker did the incredible: he jumped out of the back of the plane with a parachute and the ransom money. The pilots landed safely, but Cooper had disappeared into the night and his ultimate fate remains a mystery to this day.


The FBI learned of the crime in flight and immediately opened an extensive investigation that lasted many years. Calling it NORJAK, for “Northwest hijacking”, they interviewed hundreds of people, tracked leads across the nation, and scoured the aircraft for evidence. By the fifth anniversary of the hijacking, they had considered more than 800 suspects and eliminated all but two dozen from consideration.


One person left on the FBI’s list, Richard Floyd McCoy is still a favorite suspect among many. They tracked down and arrested McCoy for a similar airplane hijacking and escape by parachute, less than five months after Cooper’s flight. But McCoy was later ruled out because he didn’t match the nearly identical physical descriptions of Cooper provided by two flight attendants and for other reasons.


Perhaps Cooper didn’t survive his jump from the plane. After all, the parachute he used couldn’t be steered, his clothing and footwear were unsuitable for a rough landing, and he had jumped into a wooded area at night, a dangerous proposition for a seasoned pro, which evidence suggests Cooper was not. This theory was given an added boost in 1980 when a young boy found three rotting bundles of $20 bills ($5,800 in all) that matched the ransom money serial numbers.


Where did “D.B.” come from? It was apparently a myth created by the press. The FBI did question a man with the initials “D. B.” but he wasn’t the hijacker.


The daring hijack and disappearance remain an intriguing mystery—for law enforcement and amateur sleuths alike.


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Some of Sluggo’s Favorite Links

Northwest Flight 305 Hijacking

*    A Byte Out of History – The D. B. Cooper Mystery

*    Skyjacker at large

*    The D. B. Cooper Story – A Mystery

* (Search word “D B Cooper”)

*    Websleuths Crime Sleuthing Community (Search word “D B Cooper”)

*    D B Cooper Research - Yahoo Groups


Note: Some portions of the above articles and forums are part of the mythology rather than the facts.

GPS, Digital Maps and Geocaching:

*    The Official Global GPS Cache Hunt Web Site

*    Garmin International

*    Buxley's Waypoint

*    Magellan GPS Receivers

*    TopoGrafix - ExpertGPS

*    MapTech – Digital Charts and Maps

*    DeLorme – Digital Charts, Maps, and GPS Receivers

Auto Racing

*    NASCAR Online

*    Jayski’s NASCAR Silly Season

*    Greg Biffle Foundation


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Portions of this website contain articles that are reprinted (and sometimes edited to fit the standards of this website) under the Fair Use Doctrine of International Copyright Law as educational material without benefit of financial gain.




This proviso is applicable throughout the entire website.




This page was last revised: March 13, 2009.