tag:blogger.com,1999:blog-6060827553081940333.post1502408435312480321..comments2024-03-26T09:35:29.969-04:00Comments on Kathryn's Report: Loss of Control in Flight: Commuter Craft Innovator, N257AR; fatal accident occurred March 23, 2019 near Tom B. David Airport (KCZL), Calhoun, Gordon County, GeorgiaUnknownnoreply@blogger.comBlogger22125tag:blogger.com,1999:blog-6060827553081940333.post-61735188979903926262024-03-22T23:48:41.820-04:002024-03-22T23:48:41.820-04:00Great comment!Great comment!Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-51593605993124697402021-04-03T02:30:51.123-04:002021-04-03T02:30:51.123-04:00Hillbilly "engineering".Hillbilly "engineering".Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-78123290768884216022021-03-24T15:15:22.117-04:002021-03-24T15:15:22.117-04:00Frightening! and in this day and age!!! The Wright...Frightening! and in this day and age!!! The Wright Bros. had more on the ball than this outfit..poor fellow and his family...Thankfully he just took himself out and did not stuff it someplace downtown or something RIP Sirmartin moffitthttps://www.blogger.com/profile/11812578254869426661noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-63994217342692512652021-03-23T14:35:15.716-04:002021-03-23T14:35:15.716-04:00Note the placement of the elevator on the accident...Note the placement of the elevator on the accident airplane, directly aft of the thrust centerline. I’ve seen this before, both static testing and post flight. In three cases, each had unacceptable pitch diversions.<br />More than likely this case. On the original, it had the T tail design putting the horiz stabilizer and elevator above thrust.Leohttps://www.blogger.com/profile/01754612542735454220noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-18301910235769778582021-03-23T13:55:44.653-04:002021-03-23T13:55:44.653-04:00Sound like the same kind of mentality as the desig...Sound like the same kind of mentality as the designers of the Verrückt "decapitating" waterslide had. No engineering creds, no testing besides a few runs with sandbags and no respect for the laws of physics. The first test flight was a disaster and there was 0 reason to believe the second one would have been any better. And of course no wind tunnel testing or even as much as a basic useMarcPilotnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-88897997460865609032021-03-23T06:32:41.208-04:002021-03-23T06:32:41.208-04:00Here is the video link, posted again, from the doc...Here is the video link, posted again, from the docket. Keep in mind it is not the accident day flight.<br /><br />https://data.ntsb.gov/Docket/Document/docBLOB?ID=9402945&FileExtension=mp4&FileName=First%20Flight%20Cockpit%20Video-Rel.mp4<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-27847785384193305862021-03-22T14:46:18.546-04:002021-03-22T14:46:18.546-04:00Interesting to discover that the control stick was...Interesting to discover that the control stick was not connected to surfaces on the canard. <br /><br />Movable surfaces on the canard were referred to as “trim tabs” or “flaps”. Pilot could adjust those canard surfaces as trim, but control stick pitch movements only operated the elevator at the rear between the booms.<br /><br />First version Commuter flew with the 3rd horizontal surface locatedAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-56434192352838183382021-03-22T13:02:08.291-04:002021-03-22T13:02:08.291-04:00where do you see this video?where do you see this video?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-29265417869059119102021-03-21T13:57:26.160-04:002021-03-21T13:57:26.160-04:00"On one occasion the control stick broke off ..."On one occasion the control stick broke off while trying to lift the nose...." WOT? No thank you!Cybercraighttps://www.blogger.com/profile/08164678222124970179noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-71336437722645561612021-03-21T09:27:04.989-04:002021-03-21T09:27:04.989-04:00A pilot's got to know his or her limitations.A pilot's got to know his or her limitations.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-26099287211162985462021-03-20T23:28:27.935-04:002021-03-20T23:28:27.935-04:00A quote by Dirty Harry comes to mind...A quote by Dirty Harry comes to mind...Muyokuhttps://www.blogger.com/profile/12231251280939563264noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-25950270478089150312021-03-20T22:43:57.550-04:002021-03-20T22:43:57.550-04:00yes. Basically a different version of getthereiti...yes. Basically a different version of getthereitis.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-6210993254647183192021-03-20T17:32:43.141-04:002021-03-20T17:32:43.141-04:00NTSB touched briefly on the pressure from the inve...NTSB touched briefly on the pressure from the investor. Reading the detailed statement on sheet three of the witness statement pdf reveals the full measure of those circumstances. <br /><br />Many holes in the cheese lined up all at once: running out of time & money, limited test pilot availability, weather delays, sleepless from stress, important show milestone one week out and several Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-14408652683613870852021-03-20T17:08:47.941-04:002021-03-20T17:08:47.941-04:00Shimmed the engine to reduce nose down effect from...Shimmed the engine to reduce nose down effect from power and made the canard larger after the test flight, suggesting problems went beyond weight distribution.<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-91674332491924630192021-03-20T13:42:11.596-04:002021-03-20T13:42:11.596-04:00Nose heavy???Nose heavy???Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-10266387382624182332021-03-20T13:38:56.903-04:002021-03-20T13:38:56.903-04:00^"Nerves of steel" = Kenneth Howes.^"Nerves of steel" = Kenneth Howes.<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-28155903090806538792021-03-20T11:13:45.093-04:002021-03-20T11:13:45.093-04:00Did you notice the test pilot started trying to li...Did you notice the test pilot started trying to lift the nose at 2:03 and momentarily backed off throttle at 2:10 as the nose finally came up?<br /><br />Stayed stuck to the runway, was backing off to abort when it decided to fly, so he pushed throttle up again and went with it. Nerves of steel.<br /><br />https://data.ntsb.gov/Docket/Document/docBLOB?ID=9402945&FileExtension=mp4&FileNameAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-14320729280340450492021-03-20T10:50:50.913-04:002021-03-20T10:50:50.913-04:00Watched the first flight cockpit video - it gave m...Watched the first flight cockpit video - it gave me the heebie-jeebies.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-64805884673772950262021-03-20T07:37:40.047-04:002021-03-20T07:37:40.047-04:00He should've employed the aeronautical enginee...He should've employed the aeronautical engineering services of Burt Rutan (or someone). Needless to say it would've been money well spent.Visually the horizontal stabilizer and elevator look too small for the task as do the wings.Bryannoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-58440606729945097772021-03-20T07:14:13.507-04:002021-03-20T07:14:13.507-04:00An earlier version flew okay and was exhibited at ...An earlier version flew okay and was exhibited at the 2016 U.S. Sport Aviation Expo in Sebring. Supposedly, he was developing the one that crashed toward being a LSA-compliant version. LSA one obviously did not fly as well as the first.<br /><br />Earlier version 2016 videos:<br />https://youtu.be/rWyskUjRLmA<br />https://youtu.be/p1EQwYjg_7w<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-42273819809132669932021-03-19T21:40:15.206-04:002021-03-19T21:40:15.206-04:00"The FAA confirmed the fatality in the crash ..."The FAA confirmed the fatality in the crash near Calhoun, not far from the manufacturer’s Cartersville headquarters. A March 25 preliminary accident and incident notice indicated the low-wing experimental aircraft “crashed in a field due to unknown circumstances.” https://www.aopa.org/news-and-media/all-news/2019/march/26/innovator-aircraft-crash-claims-its-designer<br /><br /><br />The gretnabearhttps://www.blogger.com/profile/17532199082129778356noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-26311357753613582392021-03-19T21:28:18.083-04:002021-03-19T21:28:18.083-04:00Quite a story. RIP. The plane doesn't look lik...Quite a story. RIP. The plane doesn't look like it would be stable at all. Short pitch coupling. I wonder if they did any wind tunnel analysis or built a scaled rc model for testing?Anonymousnoreply@blogger.com