tag:blogger.com,1999:blog-6060827553081940333.post1894346351403345450..comments2024-03-26T09:35:29.969-04:00Comments on Kathryn's Report: Aircraft Structural Failure: Piper PA-28-235, N8991W; fatal accident occurred May 31, 2020 in Carlinville, Macoupin County, IllinoisUnknownnoreply@blogger.comBlogger52125tag:blogger.com,1999:blog-6060827553081940333.post-30012371311482312712023-08-22T11:25:07.756-04:002023-08-22T11:25:07.756-04:00Physical event? His buddy trying to fly to save th...Physical event? His buddy trying to fly to save them??Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-23381050369489226772023-08-10T06:09:54.900-04:002023-08-10T06:09:54.900-04:00You said it best!You said it best!FlyGirlhttps://www.blogger.com/profile/02648673049921652580noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-10823535362312928552023-08-06T11:02:24.995-04:002023-08-06T11:02:24.995-04:00you can't fix dumb...,the laws of physics canyou can't fix dumb...,the laws of physics canAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-10181295918074288302023-06-04T12:08:43.907-04:002023-06-04T12:08:43.907-04:00Josh was a friend and a colleague. At work, he was...Josh was a friend and a colleague. At work, he was pragmatic, risk mitigating, and humble. It's sad to learn that a lapse in those qualities led to the deaths of 4 people. He was a truly good guy. Yes, he f'd up- but he's not a villain and I miss my friend. If there's a paradise after this, I look forward to having out cigar together. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-12095391431087459292022-08-18T21:41:05.618-04:002022-08-18T21:41:05.618-04:00I went to school with him. He was a smart individ...I went to school with him. He was a smart individual. I’m also a pilot and I would not have expected this behavior from him. I’m really conflicted about this report.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-60639370260799299052022-05-10T08:55:38.689-04:002022-05-10T08:55:38.689-04:00Lesson is: Be careful who you trust with your life...Lesson is: Be careful who you trust with your life. I flew one time with a low-time pilot who thought he should buzz an attraction. I was ready to grab the controls at the first sign of stall. Never flew with him again. Later, he told me of taking off with an over-loaded 140, just barely getting airborne. An idiot. Some people get stuck in the idea of flying without comprehending the Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-46852249404471253412022-05-09T18:35:40.475-04:002022-05-09T18:35:40.475-04:00A statement my CFI made that's always stuck. &...A statement my CFI made that's always stuck. 'The two most dangerous words in aviation are 'Watch This''.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-46232003321881098412022-05-06T15:53:44.240-04:002022-05-06T15:53:44.240-04:00After 51 years of flying, I can relate to doing st...After 51 years of flying, I can relate to doing stupid things with airplanes.Gaffsterhttps://www.blogger.com/profile/02084231299122111480noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-29808628470240694722022-05-06T14:54:44.610-04:002022-05-06T14:54:44.610-04:00Quote:
/ AnonymousMonday, May 2, 2022 at 8:23:00 P...Quote:<br />/ AnonymousMonday, May 2, 2022 at 8:23:00 PM EDT<br /><br />The pilot had done a similar maneuver during the earlier leg from his home in Michigan on the way down... /Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-56604787213541267282022-05-06T13:51:27.926-04:002022-05-06T13:51:27.926-04:00I don't believe everything that I see on the i...I don't believe everything that I see on the internet. <br />According to the pilot's obituary, his other hobbies included skydiving, motorcycle riding and climbing buildings.<br />His Youtube channel shows steep turns in an aircraft.<br />His Facebook page shows zip-lining and bungee jumping.<br />I wonder if the mid cross country interruption of his flight was motivated by thrill Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-532340059333544052022-05-05T00:35:23.231-04:002022-05-05T00:35:23.231-04:00“Almost” only counts with horseshoes and hand gren...“Almost” only counts with horseshoes and hand grenades. The difference between what 100 hour pilots know and what they sometimes do is often large. Most survive it, learn from it and become better and wiser pilots. Sometimes the difference is written in blood.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-67014085628094942302022-05-04T15:47:50.041-04:002022-05-04T15:47:50.041-04:00@Kenneth- About the eye witnessed dips - If you sc...@Kenneth- About the eye witnessed dips - If you scroll down, there is a comment about the docket's Aircraft Performance Memorandum data plots where those dips can be seen, showing up as divergent pitch oscillation that began during the left turn.<br /><br />Of the three times the reversing direction double turn signature move shows up in ADS-B data (May 24 practice w/"Steep Turn" YTAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-38091854282471048552022-05-04T14:37:18.244-04:002022-05-04T14:37:18.244-04:00Keep in mind that a descent straight down would ha...Keep in mind that a descent straight down would have an apparent ground speed of zero even with calm winds aloft. I recommend looking at the "Aircraft Performance Memorandum" in the docket. It's a great read! Basically they calculated the winds aloft as well as total inertial speed (the combination of ground speed and vertical speed) from the ADS-B data and onboard Stratus logs toAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-50071225194949894232022-05-04T14:08:55.580-04:002022-05-04T14:08:55.580-04:00Gryder-Like Deflection?Gryder-Like Deflection?Piedmont Liftshttps://www.blogger.com/profile/04258755580086692639noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-69083132649167245952022-05-04T11:11:03.982-04:002022-05-04T11:11:03.982-04:00You're probably right, and I wasn't aware ...You're probably right, and I wasn't aware earlier of a similar maneuver during a previous flight. Still, the eye witness reports could also describe a pax having to take controls for some reason. Doesn't seem likely in this case, but until I heard of the similar maneuver profile from a previous flight, it was still suspect for me.Kennethhttps://www.blogger.com/profile/16169913695764689966noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-51019318832678485302022-05-03T20:13:51.402-04:002022-05-03T20:13:51.402-04:00Sorry, this was no "emergency descent" ...Sorry, this was no "<i>emergency descent</i>" Read the witness reports. All of them reported the engine screaming at an extremely high, loud rpm. Every pilot knows that step one for an emergency descent is reduce power to idle. Also, the aircraft made no attempt to descend at all and in fact climbed slightly during the first 2-3 minutes after the initial turn. It wasn't untilAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-83432604274054147162022-05-03T19:33:47.818-04:002022-05-03T19:33:47.818-04:00Almost all pilots with less than 100 hours know be...Almost all pilots with less than 100 hours know better than to do 60+ degree steep turns with friends in a fully loaded aircraft. My instructor always told me your #1 job when flying friends is to give them the smoothest and most comfortable flight you can, and never try to show off or scare them. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-61484328905258436062022-05-03T19:30:17.220-04:002022-05-03T19:30:17.220-04:00A rough analysis of that steep turn video shows th...A rough analysis of that steep turn video shows the bank angle was around 60 degrees at times, a full 15 degrees greater than recommended for a private pilot steep turn maneuver. https://imgur.com/a/wHCJxwE<br /><br />This extreme bank angle would impose 2 Gs of force on the aircraft (versus 1.4 Gs at 45 degrees) and increase the stall speed by a factor 40% as well as causing much higher Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-10684145986808556822022-05-03T18:05:18.224-04:002022-05-03T18:05:18.224-04:00The docket's Aircraft Performance Memorandum d...The docket's Aircraft Performance Memorandum data plots make it easy to see where the witness's description of five or six “dips” occurred. The description of dips where the airplane would “come back up” each time are pitch oscillations.<br /><br />The time period of 15:45:00 to 15:45:30 is where the dips are recognizable and they are going divergent, increasing in magnitude at each pitchAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-22748048697295265292022-05-03T16:55:25.016-04:002022-05-03T16:55:25.016-04:00I own a 235, the rough air/maneuvering speed is 13...I own a 235, the rough air/maneuvering speed is 138 mph or about 119 knots. <br /><br />Agree that the data is likely groundspeed. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-90035971558099917472022-05-03T14:36:31.363-04:002022-05-03T14:36:31.363-04:00That Steep Turn video was just a portion of a righ...That Steep Turn video was just a portion of a right turn made near Woodbridge Elementary School during a 24 May flight recorded in AdsbExchange. The right turn's location is easily confirmed by observing the distinctive ponds visible in the first seconds of the vid.<br /><br />A full length video of the entry into the left turn and continuing all the way to exit of the right turn would have Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-85997650595303210282022-05-03T12:10:13.978-04:002022-05-03T12:10:13.978-04:00Steep Turn
58 views
May 25, 2020Steep Turn<br />58 views<br />May 25, 2020Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-7242953890091353752022-05-03T11:11:04.899-04:002022-05-03T11:11:04.899-04:00I wonder if Piper has considered a spar strap, li...I wonder if Piper has considered a spar strap, like Beechcraft has done for various King Air models. While denying any fault with the design. It was a common modification for Beech 18's, also. Whether or not Piper is technically at fault for this and other wing spar failures, it doesn't look good. The last few years, I have associated "spar failure" with "Piper PA28"Lastyhttps://www.blogger.com/profile/05867696858712962108noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-88343873312605735092022-05-03T10:07:45.157-04:002022-05-03T10:07:45.157-04:00Noticing that a low-experience pilot performed the...Noticing that a low-experience pilot performed the signature reversing direction double turn move when pax were aboard was not offered as an assertion that the earlier double turn demo of 5/29 overtaxed the airframe.<br /><br />A maneuvering crash like this is reminiscent of the N8849V crash by an experienced pilot who posted videos of performing a signature move. It's fun, but only until youAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-84154564628774058122022-05-03T09:46:15.275-04:002022-05-03T09:46:15.275-04:00"Steep Turn" video posted by the pilot a..."Steep Turn" video posted by the pilot a few days before the accident:<br />https://www.youtube.com/watch?v=I6IaPoIbpv4<br />Anonymousnoreply@blogger.com