tag:blogger.com,1999:blog-6060827553081940333.post7495118763538188377..comments2024-03-28T21:15:11.065-04:00Comments on Kathryn's Report: Van's RV-4, N87LW: Fatal accident occurred November 26, 2020 near Telluride Regional Airport (KTEX), San Miguel County, ColoradoUnknownnoreply@blogger.comBlogger39125tag:blogger.com,1999:blog-6060827553081940333.post-55942688411494864752020-12-31T17:57:29.839-05:002020-12-31T17:57:29.839-05:00"A Nose heavy airplane is hard to fly, but a ..."A Nose heavy airplane is hard to fly, but a tail heavy airplane, ..Flies once"Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-34882437181260872062020-12-31T17:47:13.742-05:002020-12-31T17:47:13.742-05:00since 1984, when the "mountain village scare ...since 1984, when the "mountain village scare port" I call it, was built to service skiers at the Doral Hotel, there have been 26 NTSB reports, most of them include many destroyed airplanes of every type, and at least 10 deaths, and many more, if you count, "scared shitless" passengers, and 26 "errors", most could have been avoided if the fbo at MEX would have been Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-36372857514766145372020-12-17T19:27:28.147-05:002020-12-17T19:27:28.147-05:00Chart1 and Chart2 in the report show true airspeed...Chart1 and Chart2 in the report show true airspeed greater than ground speed for the base leg, indicating a headwind on base.<br /><br />If the charting is correct, turning final eliminated the headwind, immediately reducing available lift as he began the turn. <br /><br />Report states:<i>"An airport security camera captured the final moments of the flight. The airplane is observed to enterAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-57985163479793630652020-12-16T14:42:41.530-05:002020-12-16T14:42:41.530-05:00in conclusion, "we know that a spin results f...in conclusion, "we know that a spin results from uncoordinated flight and stalled wings, and inadvertent spins often don’t end well." https://www.aopa.org/news-and-media/all-news/2019/april/pilot/technique-taming-the-stall<br /><br />the report states that "The airplane decelerated to about 52 knots CAS (60 mph CAS) during the left turn from the base leg to the final approach gretnabearhttps://www.blogger.com/profile/17532199082129778356noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-46639843618972909532020-12-13T22:35:01.481-05:002020-12-13T22:35:01.481-05:00At first glance I thought was "just" a s...At first glance I thought was "just" a stall spin- but knowing just a bit about mountain flying and that giant descent rate at the end- likely he encountered a downdraft and did not have enough altitude/airspeed margin to counter. Very scary and unfortunate. With a little extra of both it might have been ok. Over flat land at lower altitude the same altitudes and airspeeds would likely Rocahttps://www.blogger.com/profile/12023548506198486232noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-49396966461336156842020-12-13T15:46:26.635-05:002020-12-13T15:46:26.635-05:00Nope... from the radio call he was startled by som...Nope... from the radio call he was startled by something, or maybe realized his approach was way too low and he was to close to the ground at that point. Just like the stall/spin of the newly wedded couple a few weeks ago there was no post impact fire as stalls are generally low velocity, but just enough to kill you. Same also as the stall/spin in Hatch, NM of an overloaded 172 a few years back.MarcPilotnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-57280933977780425342020-12-12T20:43:12.305-05:002020-12-12T20:43:12.305-05:00No evidence of post impact fire...perhaps out of f...No evidence of post impact fire...perhaps out of fuel, failure to maintain air speed while attempting to glide to runway?123gohttps://www.blogger.com/profile/11353316001927297921noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-48078197700165246172020-12-11T15:18:38.993-05:002020-12-11T15:18:38.993-05:0052 knots, banked, at or near gross, @9000+ msl.
W...52 knots, banked, at or near gross, @9000+ msl.<br /><br />With or without a puff of tailwind, DMMS physics.<br /><br />No mystery here.<br /><br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-90869339005388842422020-12-10T13:41:43.270-05:002020-12-10T13:41:43.270-05:00"11/26 13:00 hours, 8 mph @ 249 degrees"..."11/26 13:00 hours, 8 mph @ 249 degrees" WU station KCOTELLU17 gretnabearhttps://www.blogger.com/profile/17532199082129778356noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-55067848316042293012020-12-09T00:35:27.524-05:002020-12-09T00:35:27.524-05:00Did he have a tailwind on base leg??Did he have a tailwind on base leg??Jay Vegahttps://www.blogger.com/profile/03885335242820652494noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-43318475537645717642020-12-08T20:52:47.142-05:002020-12-08T20:52:47.142-05:00I am not so sure it's a CG issue given he was ...I am not so sure it's a CG issue given he was 500 below TPA while entering/on downwind. I've never flown into that airport but looking at the profile of the area/canyon I have to wonder if he was just distracted, too low from dwnd to base, and didn't realize it till it was too late. Almost seems like 500 low when entering the TP, standard decent rate/pattern. <br /><br />Would be Unknownhttps://www.blogger.com/profile/15259881359395323577noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-32874355302061825782020-12-08T08:06:48.397-05:002020-12-08T08:06:48.397-05:00See example RV-4 W&B at link below for 215lb s...See example RV-4 W&B at link below for 215lb solo pilot with 50 lbs behind the rear seat and another 15 lbs "optional baggage" added aft of that. No passenger in his calculation, but moment arm for passenger position is listed, so you can plug in a guess for passenger weight and recalculate.<br /><br />Adding a 120 passenger approaches but does not exceed rear cg limit in that calc Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-14856188442309110252020-12-08T02:29:17.076-05:002020-12-08T02:29:17.076-05:00How do you listen to his final radio call outs ?? ...How do you listen to his final radio call outs ?? Mouser485https://www.blogger.com/profile/07310339093597452465noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-31527736962591827832020-12-07T21:15:31.494-05:002020-12-07T21:15:31.494-05:00Folks, I've been giving this one a lot of thou...Folks, I've been giving this one a lot of thought. I ferried an RV4 from SC to California so I'm somewhat familiar with them. <br />Mr Kill picked up a female passenger for transport back to Telluride. I presume she was staying overnight or maybe longer. You and I both know women pack heavy even if just overnight. With that being said, for those of you that are not familiar with the RV4 Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-54296837985246412192020-12-06T13:31:47.227-05:002020-12-06T13:31:47.227-05:00read about the RV-4 and you'll likely read thi...read about the RV-4 and you'll likely read this, "the RV4 has almost no pre-stall buffet."<br />and this "I had a hard time discerning any prestall buffet, at any speed, flaps up or down. If stalled at 1g, the airplane will break without warning." @ vansairforce.netgretnabearhttps://www.blogger.com/profile/17532199082129778356noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-53459644426672103742020-12-06T05:58:06.925-05:002020-12-06T05:58:06.925-05:00Keyed the mic to announce final, but stall pitchov...Keyed the mic to announce final, but stall pitchover changed the verbalization.<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-55280471819439908072020-12-06T02:54:47.051-05:002020-12-06T02:54:47.051-05:00Hypoxia? Apparently he was surprised by something ...Hypoxia? Apparently he was surprised by something unexpected at the end.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-37554438197309980912020-12-05T19:38:04.965-05:002020-12-05T19:38:04.965-05:00“oh [expletive].”“oh [expletive].”gretnabearhttps://www.blogger.com/profile/17532199082129778356noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-16395780294125441392020-12-05T01:30:02.766-05:002020-12-05T01:30:02.766-05:00The plane did not flt for two years and the first ...The plane did not flt for two years and the first flight after that period was 11/25/19. It got a new engine and a panel upgrade. It was then IFR equipped. <br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-28364235560524513772020-12-05T01:09:54.715-05:002020-12-05T01:09:54.715-05:00First Officer at Envoy Air. Several pics flying i...First Officer at Envoy Air. Several pics flying in the Rocky Mountains days before. <br /><br />https://www.facebook.com/blkillAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-87572128669175453612020-12-04T20:29:46.691-05:002020-12-04T20:29:46.691-05:00There are actually several "V" speeds th...There are actually several "V" speeds that apply here.<br />VS= Stall speed or minimum steady flight speed for which the aircraft is still controllable.<br />VS0= Stall speed or minimum flight speed in landing configuration. <br />VS1= Stall speed or minimum steady flight speed for which the aircraft is still controllable in a specific configuration<br />VSR= Reference stall speed<br /Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-10176030886664138912020-12-04T09:52:53.553-05:002020-12-04T09:52:53.553-05:00DMMS Defined Min Maneuvering Speed violation and r...DMMS Defined Min Maneuvering Speed violation and resultant stalling of the aircraft in the pattern senselessly claims the lives of many pilots EVERY month. Juan<br />https://www.youtube.com/watch?v=m_tKShlf_gUvisualizerenthttps://www.blogger.com/profile/05448911875822855469noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-84198350327354486442020-12-03T21:39:46.993-05:002020-12-03T21:39:46.993-05:00Stalled turning final. Dang.
Stalled turning final. Dang.<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-21708358248022068472020-12-02T11:54:01.728-05:002020-12-02T11:54:01.728-05:00Really unfortunate. I wonder if that will impact i...Really unfortunate. I wonder if that will impact insurance coverage.Rocahttps://www.blogger.com/profile/12023548506198486232noreply@blogger.comtag:blogger.com,1999:blog-6060827553081940333.post-1404574330772038972020-12-01T13:53:38.900-05:002020-12-01T13:53:38.900-05:00"The Iowa Environmental Mesonet (IEM) collect..."The Iowa Environmental Mesonet (IEM) collects environmental data from (many) cooperating members with observing networks. The data are stored and made available on this website." is great site https://mesonet.agron.iastate.edu/gretnabearhttps://www.blogger.com/profile/17532199082129778356noreply@blogger.com