tag:blogger.com,1999:blog-10000144.post1910153279178566464..comments2024-03-13T09:47:40.487+00:00Comments on Cockpit Conversation: Segmented WeightsAviatrixhttp://www.blogger.com/profile/13634111275860140084noreply@blogger.comBlogger7125tag:blogger.com,1999:blog-10000144.post-25055490980614531592008-12-19T03:55:00.000+00:002008-12-19T03:55:00.000+00:00Sigh. Yes you do. Now I need someone to fill in...Sigh. Yes you do. Now I need someone to fill in my hand waving over this:<BR/><BR/><I>95% confidence interval would imply a maximum absolute difference from mean weight for a population. </I><BR/><BR/>Sure it does. I think the answer is simple, but have no confidence in my answer.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-10000144.post-91830705081654442832008-12-19T02:39:00.000+00:002008-12-19T02:39:00.000+00:00you're going to be sorry you brought this upNo I'm...<I>you're going to be sorry you brought this up</I><BR/><BR/>No I'm not. Now I have the power of hundreds of worldwide geeks to tell me about the statistics involved in that little exercise.Aviatrixhttps://www.blogger.com/profile/13634111275860140084noreply@blogger.comtag:blogger.com,1999:blog-10000144.post-65280346631008897682008-12-19T01:59:00.000+00:002008-12-19T01:59:00.000+00:00Northern passengers put up with all kinds of indig...<I>Northern passengers put up with all kinds of indignities...</I><BR/><BR/>Southern passengers too. Being weighed would be a lot less intrusive than being patted down. Yes, that's happened to me once. I think it was the underwires.<BR/><BR/>But about w&b ... If you want to pursue the statistical approach, I think you would come up with a very conservative interpretation.<BR/><BR/>What comes to mind is... ( you're going to be sorry you brought this up ) ... 95% confidence interval would imply a maximum absolute difference from mean weight for a population. So you would have to consider the case for w&b where the seat is at min. weight or max weight, and all combinations. For 8 seats, this would be 2^8 = 256 possible CG locations. I can imagine a computer program that would crank out the worst cases, i.e. most rearward or most forward CG. Then you'd move someone fore or aft and run it again.<BR/><BR/>If it's that close, get out the scales!Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-10000144.post-52906483005312702502008-12-18T16:32:00.000+00:002008-12-18T16:32:00.000+00:00When I did my last instrument checkride, the FAA e...When I did my last instrument checkride, the FAA examiner was 250lbs. He told me to plan an IFR flight to KLBB (Lubbock). All his weight in the front with fuel to reach KLBB and IFR reserves put us out of the forward CG limit. I told him we could only make the flight non-stop if he sat in the back! But he didn't take umbrage and passed me anyway.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-10000144.post-37152266501403113182008-12-18T15:11:00.000+00:002008-12-18T15:11:00.000+00:00Oh, now you're just invoking stereotypes. The 2kg...Oh, now you're just invoking stereotypes. The 2kg 2L pop bottle is nothing compared to the 70kg keg of Molson that Canadian law requires each Canadian have in his or her possession at all times.dpiercehttps://www.blogger.com/profile/03397601206317363858noreply@blogger.comtag:blogger.com,1999:blog-10000144.post-48718087611121027182008-12-18T10:25:00.000+00:002008-12-18T10:25:00.000+00:00The grammar police are about early! :-) The large...The grammar police are about early! :-)<BR/><BR/> The larger Canadian baggage-weights are easily reconciled: Any of your regular readers knows that they will be carrying a gun(or two) skis, an axe or chainsaw and possibly a few large chunks of unidentified animal meat.<BR/><BR/> OTOH, the Americans will have a double hamburger and a hot-dog in each hand, a quart of ice-cream in the crook of one hand and a 2-litre bottle of pop in the other,-as these are to be consumed en route, they are consolidated as "passenger-weight" as opposed to"carry-on baggage"<BR/> -So, someone has a better explanation? :-)Unknownhttps://www.blogger.com/profile/11679310031767479691noreply@blogger.comtag:blogger.com,1999:blog-10000144.post-71917358510199326072008-12-18T08:01:00.000+00:002008-12-18T08:01:00.000+00:00Typo; thrd prgrph; frst ln.:)Typo; thrd prgrph; frst ln.<BR/><BR/>:)Anonymousnoreply@blogger.com