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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13904 Credit: 208,696,464 RAC: 304 ![]() ![]() |
speaking of damage, looks like the front bumper isn't a twisted mangled mess and even the license plate is intact.On triples and B-doubles, they can have dedicated third and second trailers that don't have tow hitches on them (same for single trailer semis), and the rear bumper is set back from the end of the tray/load, so a bus rear ending a refrigeration unit or shipping container will look like this one does- front pushed back, but depending on speed, no damage lower down . And the bus bumper is quite low down, possibly below level of trailer bumper which on a flat top is often very small vertically, or quite high as below. eg ![]() as to speed, posted limit and dead stopReports are the hit truck was climbing the hill, which would explain the relatively light damage. Bus doing 100km/h, other truck 60km/h. 40km/h impact. Front of bus pushed back 75cm-1m, bus bumper undamaged. If the hit truck was stationary, the damage (and casualties) would have been way, way worse. Grant Darwin NT |
![]() ![]() ![]() ![]() ![]() Send message Joined: 25 Dec 00 Posts: 31179 Credit: 53,134,872 RAC: 32 ![]() ![]() |
No underride guard? Or is there a requirement the rear tandem be right at the rear to do the same function? |
![]() ![]() Send message Joined: 24 Jan 00 Posts: 37592 Credit: 261,360,520 RAC: 489 ![]() ![]() |
No underride guard? Or is there a requirement the rear tandem be right at the rear to do the same function?It's pretty rare these days Gary to see any overhang after the rear axle on a semi's trailer (large trucks as well) here and those that do their underride guard is very unlikely to do much with a 13+ tonne bus hitting it at any speed. As an ex bus driver I was always conscience of what would happen to me should I hit a heavy truck (thankfully never happened, though a had to dodge quite a few idiots to avoid such a thing happening). Their is absolutely nothing up front in a bus that protects the driver in such a collision and it's very likely that a bus' chassis will underride most heavy vehicles' lifting the rear of them up into the driver anyway. |
![]() ![]() ![]() ![]() ![]() Send message Joined: 25 Dec 00 Posts: 31179 Credit: 53,134,872 RAC: 32 ![]() ![]() |
Wasn't suggesting it would stop a bus as they are only intended for idiots in low slung sports cars. But it would have left a mark on the bus bumper. I'm kind of surprised you don't see a nice tire rubber transfer onto the bumper. If the trailer tire was rotating and the bus bumper hit it I'd expect some kind of skid mark. Anyway that's all for the investigators as they have any roadway skid marks, etc.No underride guard? Or is there a requirement the rear tandem be right at the rear to do the same function?It's pretty rare these days Gary to see any overhang after the rear axle on a semi's trailer (large trucks as well) here and those that do their underride guard is very unlikely to do much with a 13+ tonne bus hitting it at any speed. Trailers are a bit different here. https://www.youtube.com/watch?v=4HXwCgsFqfA&list=PL5RxiGTHpKTEmzICxZ2ITX2zJAgBYQOze |
![]() ![]() Send message Joined: 24 Jan 00 Posts: 37592 Credit: 261,360,520 RAC: 489 ![]() ![]() |
It came down fast and hard. A plane carrying 62 passengers and five crew members has crashed during an emergency landing. An Azerbaijan Airlines passenger jet has crashed during an emergency landing near Aktau in south-west Kazakhstan. |
![]() ![]() Send message Joined: 24 Jan 00 Posts: 37592 Credit: 261,360,520 RAC: 489 ![]() ![]() |
Another of PooTin's rust buckets becomes an environmental hazard. Russian cargo ship sinks in Mediterranean Sea after engine room explosion. A Russian cargo ship has sunk in the Mediterranean Sea between Spain and Algeria, leaving two crew members missing, according to Spain's maritime rescue agency and the Russian Ministry of Foreign Affairs. |
![]() ![]() Send message Joined: 24 Jan 00 Posts: 37592 Credit: 261,360,520 RAC: 489 ![]() ![]() |
And then there's those bridges that just collapse. Chemical spill concerns after deadly bridge collapse in Brazil. Brazilian authorities are assessing the risks of water contamination after trucks carrying sulphuric acid and agricultural pesticides plunged into a river in a deadly bridge collapse. |
Scrooge McDuck ![]() Send message Joined: 26 Nov 99 Posts: 1454 Credit: 1,674,173 RAC: 54 ![]() ![]() |
It came down fast and hard.Azerbaijani government sources say: plane was shot down by Russian missile, emergency landing in Russia denied. Source: Euronews |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13904 Credit: 208,696,464 RAC: 304 ![]() ![]() |
It came down fast and hard.Looking at the video, and the flight data showing altitude & air speed, it looks like they lost the use of their elevators- the plane was doing Phugoid Oscillations (aircraft would gradually climb until the air speed dropped off so much that lift was lost (stall), the nose would pitch down, aircraft descend, and as the air speed increased the lift would increase, the nose would pitch up, the aircraft would climb until it stalled, and so on). Mostly level flight can only be done by manipulating the throttle(s). Landing without significant damage is pretty much impossible- the most famous example of what can be done was UA Flight 232 at Sioux CIty, July 1989. 296 occupants, 184 survived only due to the amazing efforts of the flight crew. Grant Darwin NT |
![]() ![]() Send message Joined: 24 Jan 00 Posts: 37592 Credit: 261,360,520 RAC: 489 ![]() ![]() |
The cause of a fiery horror plane crash that killed 179 people in South Korea has been revealed. The likely cause of a deadly South Korean plane crash that killed 179 people has been revealed.But there are a few questions that still need to be answered. Experts baffled by detail in South Korean plane crash that killed 179. |
W-K 666 ![]() Send message Joined: 18 May 99 Posts: 19547 Credit: 40,757,560 RAC: 67 ![]() ![]() |
I'd say lots of questions. Landing with the loss of one engine shouldn't be a problem. If hydraulic pressure had been lost, the undercarriage can be released and will lock into place by gravity. And why were the antenna for the localizer mounted on a massive prestressed concrete block. It was that, that the plane hit, not the relatively flimsy block wall. Pilot Blog | Airline Pilot about Crash of Jeju B737 at Muan | No gear | Bird Skrike | Concrete wall, at about 3m:30s edit] blancolirio's responce, starts with that large concrete structure |
![]() ![]() ![]() ![]() ![]() Send message Joined: 25 Dec 00 Posts: 31179 Credit: 53,134,872 RAC: 32 ![]() ![]() |
After seeing 3 pilot videos on the sequence, I'd say the reason for the crash is panic. They did not take enough time to go through the check lists to make sure the aircraft was in landing configuration. The video of the compressor stall on the original approach shows flaps down. (I don't see the gear down on that video, but my eyes are fallible.) The second approach the flaps are up. That means a switch was manually changed. Likely part of the go around. I just wonder if the bird strike happened just about where gear down should have been called and on the second attempt they lost track of the checklist items that had been done and still needed to be done. As Juan Browne points out the bird could have caused considerable smoke in the plane. He also points out the thrust reverser is deployed on that engine but not the other side. Damage from the strike? That could put some real panic in the flight crew. I also agree with him that the engines are producing power as the plane is sliding down the runway. All in all far too many things that seem wrong. The ILS antenna only comes into play after it has hit the fan and just makes it worse. |
Admiral Gloval ![]() Send message Joined: 31 Mar 13 Posts: 21723 Credit: 5,308,449 RAC: 0 ![]() |
Definitely a SHTF moment. Know more later. ![]() ![]() |
![]() ![]() Send message Joined: 24 Jan 00 Posts: 37592 Credit: 261,360,520 RAC: 489 ![]() ![]() |
Add to that that the plane came in the wrong indicated way (with the wind instead of into it) and touched down well long on the runway, both of which greatly increase the chance of calamity as well. |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13904 Credit: 208,696,464 RAC: 304 ![]() ![]() |
Add to that that the plane came in the wrong indicated way (with the wind instead of into it) and touched down well long on the runway, both of which greatly increase the chance of calamity as well.I checked it out with Google Earth, and the aircraft touched down almost 2/3rd of the way down the runway- even with the landing gear down, full flaps & slats & air brakes & reverse thrust it still wouldn't have been able to stop before the end of the runway, but probably (maybe) would have stopped before hitting the light array. There appears to have been a whole lot of things that went wrong with that flight- such as the ADSB data cutting out before the initial attempt to land. There's got to be way more to it than just a bird strike & landing gear problems. Grant Darwin NT |
W-K 666 ![]() Send message Joined: 18 May 99 Posts: 19547 Credit: 40,757,560 RAC: 67 ![]() ![]() |
Pilot Blog | Update on Crash of Jeju B737 at Muan, Crew was in a Rush | Long Landing | Why no Gear? |
rob smith ![]() ![]() ![]() Send message Joined: 7 Mar 03 Posts: 22720 Credit: 416,307,556 RAC: 380 ![]() ![]() |
The whole second/final approach was done in far too much of a hurry, about seven minutes before the "bird strike" and the fatal landing. Perhaps if they'd taken a bit more time, even by extending the legs of the go-around by a couple of minutes each they would have gained some vital time to get the aircraft into a better state. All I can think is that they were in a blind panic to get onto the ground.... Bob Smith Member of Seti PIPPS (Pluto is a Planet Protest Society) Somewhere in the (un)known Universe? |
![]() Send message Joined: 25 Nov 01 Posts: 21669 Credit: 7,508,002 RAC: 20 ![]() ![]() |
... A blind panic due to smoke in the cockpit?... At least on the 737 with the Leap engines (and other planes/engines?), I understand that a bird strike to the engine being used for the aircon can well push in blinding smoke and oil... Was there other damage causing a blizzard of alarms and warnings?... Or merely 'just' "inadequate training"?... Hopefully details will be published very soon... A few stray ducks shouldn't kill a plane full of people... Fly safe folks? Martin See new freedom: Mageia Linux Take a look for yourself: Linux Format The Future is what We all make IT (GPLv3) |
![]() ![]() Send message Joined: 24 Jan 00 Posts: 37592 Credit: 261,360,520 RAC: 489 ![]() ![]() |
A close call. Harrowing footage shows near miss on LAX runway. Harrowing footage captured the moment two US planes nearly collided with each other on the tarmac. |
![]() ![]() Send message Joined: 24 Jan 00 Posts: 37592 Credit: 261,360,520 RAC: 489 ![]() ![]() |
Now that is crazy. The CEO of a tech start-up has shared the terrifying moment his self-driving Tesla veered onto light rail tracks in the US. The CEO of a tech start-up was left “literally shaking” when his self-driving Tesla veered onto light rail tracks in Santa Monica, in the US, just as a train began barrelling down on the EV, footage shows. |
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