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Georger wrote True, but Boyle's law applies. Less pressure, less O2 molecules per unit volume. That's why I need supplemental O2 on high alt jumps and the plane, if piston engined, needs turbocharging or supercharging to have enough power to climb at those alts. O2 in properly maintained tanks is actually pretty safe. Smoking around one isnt very risky, but it's a better practice not to. You said "oxygen rich" and I challenged it. I hate to be a nit picker but it's a rare day when I can dispute Georger on a science issue and win. I couldnt resist the temptation. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Not entirely a good thing according to my friend who worked on World Airways and United 727 maintenance. Cabin smoke was a useful marker for pressure leaks. Light brown stains gave the workers a big head start on finding and patching them. He also told me an amusing story that United had calculated what areas of their planes were closely visible to boarding passengers and had "appearance zone maps" for the maintenance workers. Dents, scratches, chipped paint was repaired quickly in those "appearance zone" areas, but not in others. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Jo wrote Whew. Thanks Jo. Too much information can be really dangerous. Always the tease, but we are all used to it by now. Calling that stuff Duane had "parachute hardware" is unsupported. I sent you catalog and rigger manual photos of every piece of hardware that was ever used on post 1940 bailout rigs, sport rigs, etc and (to your credit) you found no match. I have seen ZERO evidence that puts Duane in a chute. The prison smoke jumper article I think is a false memory, a mixing of desire, bias and similar info like perhaps an article on prisoner ground based firefighting activities. Your stubborn insistence that the article did exist shows bias. Smoke jumper history is richly documented. Nowhere is the program you refer to mentioned. No smoke jumper I corresponded with had ever heard of prisoner smoke jumpers. Didn't you attend a smoke jumper convention or was that just a plan? Have you ANY evidence of prisoner smoke jumpers besides your memory of an article that nobody can find? 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Georger wrote Typical airliner pressurization systems couldn't even achieve sea level pressure at cruising altitudes. No supplemental O2 was added to cabin air. How do you see that as oxygen rich? Smoking on airliners was common in the 70s and pretty awful for non smokers like me, especially on long overseas flights. Cabin air circulation assured that everyone on those flights inhaled a lot of second hand smoke. I was ecstatic when smoking was finally banned. 377 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Blevins wrote It's obvious Robert The company selling printed matchbooks had attractive blondes in sales positions. Maybe Marla could do that kind of work. 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Farflung wrote You must teach Blevins how to tell a fish story Farflung. I mean the guy goes camping, posts pix of a fishy looking stream right next to his tent, and when I inquire about the fishing he says he didn't fish, just hiked and listened to old radio mysteries. Talk about a lost opportunity. If you won't take on the task I am hoping Amazon will. She never gets skunked and never catches anything under 25 lbs. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Jo wrote: CLASSIC bias. And if the FBI won't prove Duane Weber was not DBC, then he probably is. Sigh... I thought I'd take over Orange's job for a few days and give her a rest. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Georger wrote: No, I just read it in the book. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Tom K wrote: Thanks Tom. Geoff seems to have pissed off a few people by revealing stuff that they thought would be kept confidential. I don't know how it works in the writing and reporting world, but some of his interviewees think he crossed the ethics line. BTW, things are always "going in the wrong direction " here. Welcome to the Cooper Vortex. Newton, Coriolis and Einstein are ignored every day. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Farflung wrote: "all I care about is the truth" = If evidence points to Duane as DBC, it's the truth. If it points away, it's FBI or JT misinformation, false, irrelevant, etc. Jo's work presents a classic case of biased research. It's hard to recognize your own bias. Not just for Jo but for everyone, myself included. Poor Marla. Her star burned so bright, but so briefly. I really don't know what's left for her. Will her book even be printed? It will go straight to remainders if it is. I might buy it for 99 cents. I do blame Snowmman for leading Marla astray with the Dan Cooper comics. My DBC walkie talkie speculation is far less blameworthy. She could have easily made that up on her own, just like I did. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Who continues to toil for the benefit of the group, even when permabanned by Q? Snowmman of course. Come on Quade. Life without parole for rudeness is just too extreme. Let Snowmman back and see how it goes. He adds a lot of value which, IMO, offsets the negatives by a huge margin Snowmman writes: 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Good work on those big Kings Amazon. BBQ'd Chinook is the BEST. I remember coming into Astoria in the early 70s plugged with tuna after 30 days at sea. Back then fish canneries were going full blast and buyers were fiercely competing to buy your catch. I remember one time when the competition was so fierce that the buyers would meet you at the docks with a limo. "Come on boys, hop in, we'll give you top dollar for your fish, a great steak dinner and little fun afterwards." "We'll even throw in a few cases of prime belly meat tuna that you can send home to the wife. Whaddya say, we got a deal?" Now not a single cannery remains in Astoria as far as I know. The tuna are transhipped in freezer conatiners to Puerto Rico or Samoa for processing. Geoff's book has tantalizing info on titanium sponge found on the alleged Cooper tie. It could be from an aircraft factory (it was used on Boeing SST work) or it could possibly be from paint. You are left hanging as to the source. Does anyone have better info on the titanium, residue? Sluggo? I know the paint possibility will get Jo going. Remember her Boeing paint connection? I thought titanium in paint was titanium dioxide powder. I don't know anything about titanium sponge material. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Nice river pix Robert B. But where are the fish pictures? I like radio dramas too. I few up listening to Suspense. We didn't get TV until 1964. CBS Radio Mystery Theater was the last gasp of the genre. There were some good episodes but a lot of mediocre ones. Is Marla's story still getting media and FBI attention or is it stone cold dead? I wanted some details on LD Coopers's "expensive walkie talkies." That Marla sure knows how to put together a story. Clever girl indeed. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

I too raised the same question way back. Radio Shack made a tunable VHF AM transistor radio in the 60s. Cost about $20. Small. I had one. No proof Cooper had ANY radios, but I so want him to have used radios. I've made some radio jumps with low power walkie talkies to show what could be done. Comms to over 60 miles from 10,000 ft. Almost 100 mile comms on an 18,000 ft hop and pop. Once On the ground no problem reaching fellow hams on peaks 20 miles away with both of us using walkie talkies. Still, it's just wishful thinking. Cooper sure would have benefitted from radios. I push radios and Snowmman introduced Dan Cooper comics. The astute Marla Cooper included both in her LD Cooper story. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

We are all guessing about what made the holes in the Tena Bar money, but there has to be someone out there who is better qualified than we are. My guess is aquatic borers, but it's just a guess. I don't think it's mold. I think its a bug or worm of some kind. It looks a lot like holes that worms make on wooden boat hull planks, My only experience is with salt water wood boring worms. I don't know if they have fresh water cousins. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Jo wrote Great grandma plea: QUILTY. I love it. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Jo wrote Of course Duane got away with a few crimes but his dense arrest and conviction record says one thing to cops, criminal lawyers, judges, parole and probation officers: dumb, incompetent, not very good at his trade. Duane might have been a big success as an insurance salesman but he was a flop at crime. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Jerry wrote No worries Jerry. Bruce isn't prospering. Nobody has made any serious money off of chasing or writing about DB Cooper. I do not think it is a prosperous pursuit for anyone. The results range from poverty to low profit margins at best. These financial fates are part of the curse. Ask Gayla. Ask Gray's publisher. Ask Bruce. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Thanks Bruce. Interesting info. The alleged disappearance if the cig butts is puzzling, but maybe it's not so important if DNA samples were already obtained from them and the results preserved. Their disappearance however would be jumped on by a Cooper defense lawyer asking for dismissal based on "spoliation of evidence". Keep us posted. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Funny smokin99, I have pity too and keep searching for an article that Jo swears she has seen which details a prisoner smoke jumper program. That might put Duane near a chute, but not in one. I do not think the article or program ever existed. I think it demonstrates Jo's bias combined with a partial memory about something roughly similar, like perhaps a movie poster or an article about prisoners fighting fires as parts of ground crews, which certainly did happen. Duane's inability to evade arrest for even a $5 cash theft is telling. Is this a guy who could plan and successfully execute one of the most innovative and risky crimes of the 20th century? I sure do not think so. He seems to be a pathological thief. $5 here, some Kool Aid there. No way would any confederates with any brains trust him with $200K in cash. I found another aero error in Geoff's book. He writes about a rear stair on a DC 8. I do not think that is correct. Perhaps he meant to write DC 9 which does have a rear stair. Any publisher with a manuscipt that has aviation tech details in it needs to have it fact checked. I volunteer to do it on Gray's next book. Still, I like the book a lot. It's a lot like a multi part New Yorker article I read years ago called the Deltoid Pumpkin Seed, about a weird aircraft being developed for missionary flights and the people involved in the quest. It disappointed aero nuts but it was a great piece. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

JT wrote: What makes Nuttall think you know who Cooper was and are hiding it? How about posting a copy of the March 24 2011 letter he wrote to the FBI or at least tell us what the basis was for his conclusion. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

All this name calling and copyright policing is pointless. Let's get back to the case. Just loosen up about all this copyright stuff. Gray's publisher is not going to sue Jerry for posting a few excerpts, I'd bet on it. If you are worried Jerry, just paraphrase (rewrite it in your own words) and you don't have to worry about a thing. Jo, you say you hid things from Gray. Jerry, on the other hand, apparently opened his life up to a journalist, exposing the good, the bad and the ugly. We now know that Jerry drinks and suffers from combat PTSD. We know that he has a kid with a drug problem and we know he is volatile. It takes some courage to do what Jerry did, so don't gloat over so called dirty laundry that got aired. You get all upset about Gray commenting on how your bed was made and your wardrobe while Jerry now has the world seeing the full spectrum of his complicated life. I know you despise Jerry for his relentless branding of you as a liar, but have a little compassion. You don't have to be mean too. Do you think Jerry is lieing about his military service, decorations or instructor qualifications? I don't. I also don't doubt that Duane told you he was Dan Cooper when he was dying and that he took you on a sentimental journey through the Norjack area before that. I still havent seen a shred of credible evidence that puts him in a chute or in the plane. I think dredge deposit of the Tena bar money, even by one using a big centrifugal pump, is possible. I've seen a lot of dredge spoils from those kinds of dredges and they don't act like blenders. Some pretty good sized chunks of wood and rocks get passed through intact. Some of the tree parts have fairly delicate branches that emerge intact. I can't say for sure what it would have done to piles of money though. Snowmman thinks the dredge used in that area during the relevant period is still around, so a test could be done. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Farflung wrote: Thanks Farflung. We've long needed a written protocol for Cooper "science" and now we have it. Man do I wish Snowmman could join the dredge discussion. He dug pretty deep on that subject. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

Jerry, Gray did write about your various credentials, experience and military instructor certifications. I heard Geoff speak at a book signing. He didn't trash anyone. He even had nice things to say about Jo who he presented as an obsessed but highly organized person. Jo may want to portray herself as a ditzy blonde from time to time, but Gray said she is an immaculate housekeeper with well organized filing system on all things Cooper. Geoff is smart guy, nice person and a skilled writer. If you are looking for a fact packed thorough investigation of the Cooper case you will find the book somewhat lacking, but if you are looking for a thoughtful and entertaining presentation and analysis of the lore of Cooperology, this book will be a real treat. I found myself wishing he would write a sequel, I'd buy it for sure. I wish I could have proofread the book before it went to print. He has Barb Dayton siphoning "jet fuel" out of her Cessna to put in her car to make it go faster. Ouch. He may have been told that "jet fuel" story by her friends, but it makes aviators cringe to read stuff like that. Cessna piston engines do not run on jet fuel and neither do cars, although I bet a diesel car could run OK on JP4. I bought the book and I consider it money well spent. Its a good read and insightful. It makes you laugh at yourself if you are in the midst of the phenomena he writes about. Snowmman gets some respect in the book and from the author in person. I liked that. Quade might have mixed feelings. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.

I like the part of the aft stair system description which refers to "freefall". It is referring to the unpowered gravity drop method of stair deployment. When a jumper sees "freefall" he doesn't care about technical context. It always evokes thoughts of jumping. Maybe Sheridan Peterson noticed this while working in tech documents at Boeing and an idea was born. 377 2018 marks half a century as a skydiver. Trained by the late Perry Stevens D-51 in 1968.