General Aviation Thread

Terran

Well-Known Member
Amazing how bombs and shells can still go boom after so many years. A shame more beneficial products can’t last as long.
The fact it went off now implies it failed to do so when intended. I doubt anyone who was involved with that particular bomb would view this as anything other than a failure. It’s the downside of Duds. To Quote Susan Ivonava form Babylon 5.
“No boom today!!!!! Boom tomorrow. always boom tomorrow... BOOM!!!”
The same for landmines, cluster munitions. These are the unintended consequences of a war often paid by those whom had nothing to do with it.
 

Sandhi Yudha

Well-Known Member
"The AW609 has a rich history..." What they actually mean is "The AW609 has a very long history of endless development".
First flight was in 2003 and the certification and entry into service was planned to be somewhere in 2024....
 

Sandhi Yudha

Well-Known Member
A bad day for the tug driver and American Airlines. Engine nr.2 of a 787 is heavily damaged by empty cargo containers.

It happened on 17 October. Looking to the damage, i don't even want to know how expensive it is.
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FormerDirtDart

Well-Known Member
A bad day for the tug driver and American Airlines. Engine nr.2 of a 787 is heavily damaged by empty cargo containers.

It happened on 17 October. Looking to the damage, i don't even want to know how expensive it is.
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Holy crap.
I simply assumed the containers hit the engines while driving by or something. I did not expect that.
I'm more surprised that an immediate engine fire didn't occur
 

swerve

Super Moderator
Driving across a taxiway between airliners with their engines running, queuing to take off - what could possibly go wrong? Shouldn't there have been some control, e.g. a red light at the crossing point?
 

Sandhi Yudha

Well-Known Member
Driving across a taxiway between airliners with their engines running, queuing to take off - what could possibly go wrong? Shouldn't there have been some control, e.g. a red light at the crossing point?
There are special rules for car traffic at airports. Aircrafts have always priority, and everything else have to wait to cross over until the aircraft is at a safe distance. If the aircraft is towed, then you do not need to wait as long as an aircraft on own power. Looking to the video it is quite obvious that the tug drivers (also the one in front of him) are the one violating the rules.
 

Ananda

The Bunker Group

As no outside verification, off course the claim can be argue. Still this shown that Russia effort to speed up production of their civilian turbofan to closing the gap with Western Turbofan is gaining momentum.

PD-8 for Regional Jet,
PD-14 for Single Aisle Medium Range,
PD-35 for Double Aisle Long Range.

If this work, then perhaps we can see IL-96 being redevelop toward double engine version. Thus IL-96 can have current quad engine PS-90A version and double engine PD-35 one.
 

Ananda

The Bunker Group


On previous post, I already link COMAC intention to rename ARJ-21 as C909. Now at Zhuhai it is offcial ARJ-21 now become C909. According to the article C909 bot just rebranding, however COMAC also make improvements on weight, noise and resistance to improve costs per seats performance.
 

SolarisKenzo

Well-Known Member
Italy and Germany reached an agreement on Lufthansa - Ita Airways (former Alitalia) deal.
The contract was sent overnight to the EU Commission for the final approval.


 

Sandhi Yudha

Well-Known Member
A tragic accident in Buenos Aires. A small aircraft tried to land but the brake system malfunctioned, which caused the aircraft ending up at nearby houses. Both persons on board didn't survived.

In English:
 
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Ananda

The Bunker Group

This Russian enthusiasts channel claim UAC already prepared SSJ-100 New as Russification of SSJ-100 with PD-8 engine and Russian system. This as UAC acknowledged to reengine existing SSJ-100 from current French-Russia engine is not practical. Thus basically this SSJ-100 New going to be new build version.

This is not new on the path Russia has taken, as MC-21 300 is also being drop with Russian version of MC-21 310. However the talk on reengine of PD-14 to A320 is contradicts to UAC talk impractical to reengine Aircraft with Western systems. If this 'rumours' being taken, then they really have problem with MC-21 310 which push them to desprete measure with reengine A320. Instead replacing them with MC-21 310 which is the purpose of MC-21 from beginning.

Either way, this situation really shown why Russia reopening and enlarging production line of Tu-214 and IL-96-400M with PS-90A engine. PS-90A off course is older design engine, as also both IL-96-400M and Tu-214. However it is proven design, regardless it is build as answer toward planes that already being taken out from production in West (A340 and 757).

Personally I do suspect to see more IL-96-400M and Tu-214 coming out from production sooner than this MC-21-310 and SSJ-100 New. I have doubt they can sort out the problem for those both new designs before later part of this decade.
 

Ananda

The Bunker Group





This is bad, so far only a handful survivor being confirmed. The 737-800 Jeju Air coming from Bangkok to Muan Airport in southern part of ROK. Have 181 passanger and judging on the wreckage, it could be significant part of passanger in casualties lists.

Base on the video, it is belly landing and crash into Airport perimeter wall. RIP, it is not a good way to die, and the fact there're still survivor is already miracle.
 
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Sandhi Yudha

Well-Known Member





This is bad, so far only a handful survivor being confirmed. The 737-800 Jeju Air coming from Bangkok to Muan Airport in southern part of ROK. Have 181 passanger and judging on the wreckage, it could be significant part of passanger in casualties lists.

Base on the video, it is belly landing and crash into Airport perimeter wall. RIP, it is not a good way to die, and the fact there're still survivor is already miracle.
My goodness...just less than 24 after a KLM 737-800 emergency landing.

Here is a small report with links to videos and images of the Jeju Air accident.
 
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Ananda

The Bunker Group
Latest update shown already 85 confirms dead and so far only 3-4 survivor (there's conflicting report on that). Not a good sign.

The belly landing seems doing relatively controllable, but the problem the plane run out space to conduct proper emergency landing and hit the wall. At least that's the video on the landing shown.


Add wiki info on Muan Airport, well on this case Wiki can be use as guidelines info. The runway is 2800 m, and should be enough for 737 even in emergency. Thus it's shoot out on the runway, potentially the plane landing speed already high enough then normal ones.

Off course this is just my amateurs assessment on the speed of belly landing. I'm no pilot or Aero engineer, but just my guess on the landing speed.
 
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Sandhi Yudha

Well-Known Member
According to Zeker tientallen doden door vliegtuigcrash bij landing in Zuid-Korea
there are only two survivors, a crew member and a passenger, both were in the aft part of the aircraft.

|"Vlucht 2216 van het Zuid-Koreaanse Jeju Air was afkomstig uit de Thaise hoofdstad Bangkok. De problemen van het toestel zouden zijn ontstaan door "contact met vogels, waardoor het landingsgestel slecht functioneerde", meldt het Koreaanse persbureau [COLOR=var(--brand-color)]Yonhap[/COLOR].|

Translated it means that according to Yonhap, there was a bird impact, which caused the undercarriage malfunctioning.


This doesn't makes sense to me that a single bird impact can cause that much damage, that it effected the operation of the Landing Gear Extension and Retraction System, Thrust Reversers, Brakes and Spoilers.

We just have to wait for the investigation and official reports.
 
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Ananda

The Bunker Group

According to Reuters one of South Korea media News1 say one of passenger text massage the relative that the plane struck birds in the wing.

passenger texted a relative to say a bird was stuck in the wing, the News1 agency reported. The person's final message was, "Should I say my last words?"
Yes seems all lost but a couple of survivor in the back of the plane. One survivor also has critical injuries. The official investigation will take months or even years to come out. Wondering if a bird stuck in the wing have possibilies damage plane speed control to land. If it's flock of bird, could that also damage hydrolics? Perhaps if birds strike is severe enough, it can damage hydrolics control to lower the gears.
 

Sandhi Yudha

Well-Known Member

According to Reuters one of South Korea media News1 say one of passenger text massage the relative that the plane struck birds in the wing.



Yes seems all lost but a couple of survivor in the back of the plane. One survivor also has critical injuries. The official investigation will take months or even years to come out. Wondering if a bird stuck in the wing have possibilies damage plane speed control to land. If it's flock of bird, could that also damage hydrolics? Perhaps if birds strike is severe enough, it can damage hydrolics control to lower the gears.
Then it would be a bird of the Struthioniformes orde.
It is highly unlikely that a bird impact/strike can damage a hydraulic system so much. Besides that there are three hydraulic systems in a 737-800, the one normally used for Landing Gear Extension and Retraction is Hydraulic System A.
If for example Engine 1 fails because of a bird impact, the Hydraulic System A Engine Driven Pump will stop operate, but then Hydraulic System A Electronic Motor Driven Pump will take over to deliver hydraulic pressure to System A.

And if the whole Hydraulic System A loose its pressure, because of a leakage, then the Manual Extension System can be used for Landing Gear extension.


But once again, we just have to wait for the official investigation and reports.
 
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