Airliners.net

dragon6172

Re: Questions about oversize door on military Cessna 560 Citation V (UC-35)

When I was stationed in Okinawa in the late 90s we would occasionally use the station UC-12 or UC-35 to "courier" a part. Also had to make trips to Atsugi a couple times to test an aircraft leaving Depot repair which required hauling a plethora of test equipment. Larger door definitely eas...

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dragon6172

Re: Highway Crash in California

Per KTLA, "It’s harvest season in the area and Macario Mora, a spokesperson for Customs and Border Protection in Yuma and El Centro, believes the passengers of the SUV could have been migrant farmworkers" The crash was 10 miles north of the border. There's a strong likelihood given what w...

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dragon6172

Re: Highway Crash in California

Just doing the cocktail napkin math, 25 people would overgross that Expedition by a lot. Commuting farm workers or not, I'm curious why the Border Patrol would allow that to cross being so overloaded. Why would you assume it was allowed thru a designated border crossing? Seems more likely the vehic...

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dragon6172

Re: UA328 engine explosion at DEN

DEN-HNL wrote:

A curiosity of mine since Saturday. What is this part?

Bleed air duct of some sort. Probably what provided bleed air for the inlet ring anti-ice

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dragon6172

Re: UA328 engine explosion at DEN

That is a very close to flight intake. It’s been painted to help with visualisation and the cowel C doors aren’t fitted but functionally it’s as the flight intake. Agreed. But you are the one that said "have to be run with production flight intake installed".... which is what I responded ...

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dragon6172

Re: UA328 engine explosion at DEN

This isn't true.... there are videos of blade off tests and I don't think I have seen one with a production flight intake installed. Not saying they don't do it, but it certainly isn't a requirement. Well if you know different, that may be the source of this problem. There’s no point in doing a fan...

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dragon6172

Re: UA328 engine explosion at DEN

Amp1 wrote:
fan blade off tests have to be run with the production flight intake fitted.

This isn't true.... there are videos of blade off tests and I don't think I have seen one with a production flight intake installed. Not saying they don't do it, but it certainly isn't a requirement.

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dragon6172

Re: UA328 engine explosion at DEN

rj777 wrote:
In those videos, it looks like the engine is about to fall off....... if it had...... would the plane have crashed or could they have made it?

The real question is if an engine falls off AND they make it to landing does it count as both?? The engine crashed.... the airframe made it??

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dragon6172

Re: UA328 engine explosion at DEN

We've had several CFM-56 failures where the detached fan blades exited the nacelle forward, then striking the airframe at or behind their original position, including the one where the passenger was killed. Perhaps the possibility is more likely than it would appear. Just to make sure we are on the...

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dragon6172

Re: UA328 engine explosion at DEN

Any chance the missing blade might be somewhere in that fairing? Doubtful. There are pics or vids showing the entire diameter of the fan shroud. There is no signs that a fan blade departed laterally. The only way you'd find a fan blade in that fairing is if it exited the back of the engine and made...

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dragon6172

Re: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff

Quick update: AV Herald has updated the news with photo of the first debris found. http://avherald.com/h?article=4e18553c&opt=0 A torn jean, wirings, and what could be some reinforcing plates or structures (the plates has so many rivet holes, hence the guess). Looks like, sadly, a catastrophic ...

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dragon6172

Re: Airbus studing aircraft flying in formation

How close of form does one have to fly to get the benefits? Can't imagine flying hours on end, at night, in close formation.
As someone else said, I'd imagine there would have to be some autopilot function for this to work.

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dragon6172

Re: Video - FX MD-11 landing incident at Mumbai

tjwgrr wrote:
Notice the compressor stall on #1?

boyspot wrote:
Is that a stall or just the strobes illuminating the spray?

There are flashes around around the #1 engine at 13, 17, and 21 second timestamps.

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dragon6172

Re: Sikorsky wins contract to build six more VH-92A ‘Marine One’ helicopters

Presumably they also transport other government officials etc, not only POTUS? Just POTUS, his family, and whomever happens to be traveling with him. Incorrect. "Today HMX-1 also supports the Vice President, Secretary of Defense, Secretary of the Navy, Commandant of the Marine Corps, and all v...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

If stuck in the clouds couldn't the pilot simply ascended up the through the clouds until he was in the clear notifying ATC while doing this? That is the safest route, and the one taught for inadvertent IMC. All this jibber jabber about hovering and turning and slowing down is all useful while stil...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

Let’s see. I am flying along the 101 and it gets real foggy in front of me. Can’t helicopters just stop, do a 180, and retrace your steps? Why make 2 left turns to do the same thing? You assume the two left turns were done purposely. I would assume both turns, but more assuredly the second left tur...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

I have been learning how to use Google Earth Studio and have been trying to fit the publicly available data to reconstruct the last moments of the crash. As others have noted, this is purely amateur work and has none of the sophistication or expertise that the NTSB will provide (I don't even play a...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

https://goo.gl/maps/QREJswACSYxs4EcB6

dragon6172

Re: Kobe Bryant killed in a helicopter crash

He presses on too fast and too steep turn. The clouds clear too late on this descent and despite a last-second attempts, they hit the ground at high speed. In other words, NOT spatial disorientation about being level vs. descending but rather severe get-there-itis for getting back to previous track...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

It is a guess, but I base it on the fact when you look at the raw data in a spreadsheet format you can see some of those weird spikes coincide with "jumps" backwards on Lat/Long, which would be impossible. I think you're right. When you look at the raw numbers and see how much time passed...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

I actually think those spikes are erroneous data, or out of order data. Is this your own guess, or you are basing it on something specific? I'm not asking to be confrontational, it's that so far these are the only hard data available on the accident, so any decision to dismiss them should not be ta...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

Thanks flybucky for the updated charts. I'm intrigued especially by what happens between t=-9.5 sec and t=-8.7 sec. In that 0.8 sec the vertical speed goes from about -1700 ft/min to -3500 ft/min (all figures are approximate because I read them off the chart, and in fact, from the earlier version p...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

Maybe not "spatial disorientation" . Could it have been a deliberate abort/u-turn to get below the cloud cover and go back the way he came? It is one thing to turn around or descend to avoid clouds while VFR... once into the fog/clouds and in IMC conditions the ONLY safe option is a wings...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

The pilot requested flight following to continue to Camarillo, but Southern California TRACON advised the pilot that they were too low for flight following. Approximately 4 minutes layer, the pilot advised they were climbing to avoid a cloud layer. When ATC asked what the pilot planned to do, there...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

Loss of situational awareness/spatial disorientation it would appear Doesn't seem to jive with NTSB saying they were only 20-30 feet short of clearing the mountains, no? I hate to say but I think some elements of the NTSB presser were painting things in an unrealistic light. I think the video does ...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

https://youtu.be/XSHpbGhy3Ko

dragon6172

Re: Kobe Bryant killed in a helicopter crash

Here is the location that audio is recorded https://www.google.com/maps/place/4304+Oak+Glen+St,+Calabasas,+CA+91302/@34.1380432,-118.7022267,186m/data=!3m2!1e3!4b1!4m5!3m4!1s0x80e820c18d3a6bef:0x9ef9917ec88e4ed8!8m2!3d34.1380432!4d-118.7016795 That Nest audio location is very close: https://i.imgur...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

Why do you say that a ‘retreating blade stall’ could not apply to this accident? Retreating blade stalls happen at high speed and are more likely with high gross weight, high density altitude, or abrupt control inputs, such as an abrupt pull up or sudden steep turn. A helicopter’s retreating blade ...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

Wow just wow https://abc7ny.com/5886910/?ex_cid=TA_WABC_TW&taid=5e30fc4aebed6f0001a56a4f&utm_campaign=trueAnthem:+New+Content+(Feed)&utm_medium=trueAnthem&utm_source=twitter Here's the direct video: https://twitter.com/ABC7Veronica/status/1222342348278906880 The reporter says you he...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

heyjoojoo wrote:
Why did the aircraft do a bit of circling before proceeding?

Waiting clearance thru the Burbank and Van Nuys airspace due to other traffic at those airports

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

https://youtu.be/XSHpbGhy3Ko

dragon6172

Re: Kobe Bryant killed in a helicopter crash

Once he was caught in "no man's land", what were his options? Could he have climbed above the clouds with instruments only? Or is that difficult to do in a heli? If not, could he have simply landed the heli in a field next to the highway? If inadvertently into the fog, with loss of site w...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

avi8tir wrote:
NTSB confirms no CVR. Per post above, it did when it was sold from the state of Illinois. Why would you ever remove that? Whether it's used or not is another story.

Money. If you remove it you dont have to maintain it.

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

[ Helicopters can stall https://www.aopa.org/news-and-media/all-news/2014/may/08/rotorocraft-rookie-helicopter-stalls Neither of the scenarios given in that article (retreating blade stall or low rotor rpm) would apply to this accident. At best you could argue dual engine failure and not entering a...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

The regulations for special VFR require the pilot to remain clear of clouds. This flight did not and had a predictable outcome. Special VFR only applied to this flight as they went thru the Burbank Class C and Van Nuys Class D airspace. Once they were following the 101 into the mountains west of Va...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

ATC recordings.... https://youtu.be/B0pQfgi9ZqU Interesting that they never contacted SoCal after being handed off from Van Nuys ATC. It would be interesting to see they radar track overlaid on Google Maps to see how closely they were following the freeways. "Helicopter 72EX, Ident" That ...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

In all of the photos I have seen, the ceiling looks higher than the crash site, unless the ceiling lifted before photos were taken. So, it seems like the helicopter would had to have hit something higher first in the fog, maybe the ridge to the North and then crashed at a lower elevation. It would ...

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

flybucky wrote:
Pardon the noob question: Helicopters follow roads to navigate? How high above the ground do helicopters typically fly when navigating by road?

IFR - I Follow Roads (see also: scud running)

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

zeke wrote:

FWIW I think that information is garbage. The S76 is a large helicopter with two turbo shaft jet engines. It will not “sputter” like a world war 1 piston radial engine.

Agreed. Personally, I feel the "sputtering" they heard was the aircraft hitting the ground.

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dragon6172

Re: Kobe Bryant killed in a helicopter crash

not saying this is what happened, I am generally curious as I know nothing about helicopters. what solutions are there if you have an engine failure at altitude In a helicopter? I’m sure the most novice traveler probably thinks if an airliner loses its engines it will fall out of the sky. Obviously...

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dragon6172

Re: A DL 772, Flying LAX-PVG, Makes Emergency Landing And Dumps Fuel On School

I get your point. But we are not talking about aerobatics here. The pilot believed there was an emergency and he dealt with it how he needed to regardless of the consequences IMO. Yep and compromised the safety of those around him...... Increased the safety of those closest to him though.... fellow...

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dragon6172

Re: A DL 772, Flying LAX-PVG, Makes Emergency Landing And Dumps Fuel On School

It's the real deal, via LiveATC. The question is whether it's complete. And that only the FAA will provide. You're right in that I shouldn't have said "never," but it's accurate to say that at present there is absolutely zero evidence that they did tell ATC. And nobody's doing much to exp...

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dragon6172

Re: A DL 772, Flying LAX-PVG, Makes Emergency Landing And Dumps Fuel On School

That's ridiculous. They declared an emergency and never told the ATC they were going to dump fuel. And if the ATC had vectored them where they did, all the pilots had to say would be "unable" or tell them they needed to dump fuel first and they'd get new vectors. Pilots fly planes, and pi...

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dragon6172

Re: A DL 772, Flying LAX-PVG, Makes Emergency Landing And Dumps Fuel On School

That's ridiculous. They declared an emergency and never told the ATC they were going to dump fuel. And if the ATC had vectored them where they did, all the pilots had to say would be "unable" or tell them they needed to dump fuel first and they'd get new vectors. Pilots fly planes, and pi...

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dragon6172

Re: A DL 772, Flying LAX-PVG, Makes Emergency Landing And Dumps Fuel On School

The pilots are not the ones deciding where they fly. They are under full ATC and ATC is giving them headings. So if you have a beef with someone it should be the FAA Controllers That's ridiculous. They declared an emergency and never told the ATC they were going to dump fuel. And if the ATC had vec...

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dragon6172

Re: A DL 772, Flying LAX-PVG, Makes Emergency Landing And Dumps Fuel On School

The kids were soaked per news reports. People on the ground said "it was raining fuel". This is not just people smelling some fumes and freaking out. News reports say a lot of things for clicks and ratings. Do you have any evidence that this was not the case? Or are you just baselessly de...

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dragon6172

Re: A DL 772, Flying LAX-PVG, Makes Emergency Landing And Dumps Fuel On School

I doubt the vapors touched unprotected skin are of any measurable quantity, assuming kids were playing outside in a short and t-shirt. The fumes might have scared them. The kids were soaked per news reports. People on the ground said "it was raining fuel". This is not just people smelling...

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dragon6172

Re: Reports of Ukrainian 737 Crash in Tehran,Iran

We need to wait for confirmation but this looks bad :/ I cannot verify location, but that is a surface to air intercept. A pretty big warhead too, it seems to be far more than a man carried rocket could have. What I don't know is where that was, when something was hit, or what was hit. Lightsaber C...

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dragon6172

Re: Reports of Ukrainian 737 Crash in Tehran,Iran

Here: https://www.foxnews.com/world/ukrainian-airplane-shot-down-by-mistake-by-iranian-anti-aircraft-missile-pentagon-officials-believe Pentagon believes that it was a missile. Lets wait for the NTSB to report it, the pentagon isn't part of this investigation AFAIK I doubt the NTSB will be a part o...

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dragon6172

Re: Reports of Ukrainian 737 Crash in Tehran,Iran

I believe the smaller flash before main impact is the aircraft breaking up. If we assume some sort of intense engine/wing fire during the initial part of the video, my guess is the flash shortly before impact is from the wing either breaking away or tearing in such a way to let a bunch of fuel out ...

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