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lithium batteries
I registered to clear up some misconceptions to the Lithium battery topic.
I work w Lithium batteries everyday. They are NOT inherently dangerous. If they were, the world / iindustry would still be using NiMh or older carbon types...that was the dark ages of batteries and modern devices / cell phones would not be possible. No, the danger lies in the PACKING of the cells. No one will ever know exactly the cause of how the fire started in the 2 flights, but, my guess is, the cells were repacked after they left china where all cells originate. I deal in secondary - rechargeable cells. They do not spontaneously ignite by themselves. The only way cells become volatile is if 2 or more are shorted across each other somehow. This would mean a very sloppy packing job. All boxes I get from china to USA are VERY well packed and inspected. each cell isolated from one another. I also pay extra attention when I reship them. The knee jerk reaction is that of the uninformed. Dont let a couple incidents, while tragic, stop u from flying batteries. and if so, yes, it would kill all electronic devices as we know them today. so, all of you on china to US flights, I would not worry about it on bulk shipments. Other flights elsewhere, there should be an inspection to assure safety. Its not that complicated. |
Battman,
No disrespect intended ... seriously. Your professional observations and opinions while quite educational do not make me feel especially safe. I have no way of confirming that they have been properly packed and they could be loaded in a position that I am unable to fight the resulting fire. We have special procedures for all sorts of other Dangerous Goods shipments, why not LI batteries also? How about if we put these lithium batteries on the flights you are on? Regards ... Mark |
ok
To that I would say. It is not up to the pilot to inspect all packages, naturally. It is the job of the shipper and those who handle the shipment on the ground before it ever gets to the aircraft. Load the lithium in the unpressurized section of cargo and isolate it , only thing i can think of. Li batteries are not dangerous with proper packing. This is a shipper issue. I suppose any dangerous thing is possible other than with batteries. Accidents happen for all sorts of reasons. If I knew there was a lithium shipment ?? yes, I would go look at the boxes. give them a good shake, see if anything moves around inside, especially if these are originating from outside china or USA, Anybody in their right mind engaged in commerce sending these batteries is not going to just dump them all together in a box. |
Originally Posted by battman
(Post 1100964)
ok
To that I would say. It is not up to the pilot to inspect all packages, naturally. It is the job of the shipper and those who handle the shipment on the ground before it ever gets to the aircraft. Load the lithium in the unpressurized section of cargo and isolate it , only thing i can think of. Li batteries are not dangerous with proper packing. This is a shipper issue. I suppose any dangerous thing is possible other than with batteries. Accidents happen for all sorts of reasons. If I knew there was a lithium shipment ?? yes, I would go look at the boxes. give them a good shake, see if anything moves around inside, especially if these are originating from outside china or USA, Anybody in their right mind engaged in commerce sending these batteries is not going to just dump them all together in a box. |
Review the ditching procedure and cross your fingers you don't have a real bad day. If those things cook off at 170W you're going to get wet--one way or the other.
With the $$ and politics involved, hard to see this changing. |
ok
If a lithium pack or cell is damaged by outside fires from something else, or penetration / crushing or brought together someway to cause a short....the resulting chemical reaction will take place in a few minutes. Long before it reaches the ramp. In the case of LiFepo4 type, it will be a little smoke, no fire. Lithium batteries do not ignite by themselves. UPS pilot lost steering control before plane crash - Transport - ArabianBusiness.com Even IF the shipment was labeled as hazardous, that would not have changed anything. The plane caught fire for other reasons. the batteries just added to it. Since the pilots had no time even for an emergency landing, that says it was an explosion, and, batteries dont explode. Also, the type lithium battery was not cleary indicated, just a big wide brush saying ALL lithium batteries are now suspect. That should answer all your Q's. |
Originally Posted by battman
(Post 1101023)
The plane caught fire for other reasons. the batteries just added to it.
Since the pilots had no time even for an emergency landing, that says it was an explosion, and, batteries dont explode. Also, the type lithium battery was not cleary indicated, just a big wide brush saying ALL lithium batteries are now suspect. That should answer all your Q's. The plane caught fire for other reasons ... HUH ? ... :confused: Have you surmised on your own that the flight "exploded" ? |
This is only the interim report ...
http://www.gcaa.gov.ae/en/ePublicati...%20Rev%201.pdf -------------------------- The investigation has centered on a probable uncontained fire on the cargo main deck as the primary significant factor. The probable location of the fire has been determined through analyzing the available data in conjunction with onsite investigation of debris and assumptions based on investigative engineering judgment. The investigation is focusing on several possible ignition sources, primarily the location in the cargo of lithium and lithium derivative batteries that were onboard. ---------------------- |
And here is a synopsis of that report:
Report on UPS B747F in-flight fire accident: captain likely incapacitated Aviation Safety Network's News Battman, you may know about Li batteries, but you evidently haven't familiarized yourself with all of the issues related to aviation and what has already happened with these batteries. |
battman
You’re entering this discussion at a disadvantage. You know plenty about batteries and how they should operate, their limits, etc. You appear to know very little about freighter aircraft operations and how that might affect these batteries. Presenting us with theoretical data on how these batteries are supposed to work is really meaningless.
The simple fact is that self-sustaining fires caused by these batteries or exacerbated by their presence have brought several freighters down. Existing fire suppression systems installed in our freighters are not effective in dealing with L-I battery fires. We operate our aircraft many hours away from any suitable runway and it’s likely an aircraft and crew in that position would be lost in the event of a battery fire. Even crews who were very close to suitable runways were unable to recover in time.
Originally Posted by battman
(Post 1100940)
I work w Lithium batteries everyday.
They are NOT inherently dangerous.
Originally Posted by battman
(Post 1100940)
No, the danger lies in the PACKING of the cells.
The only way cells become volatile is if 2 or more are shorted across each other somehow. This would mean a very sloppy packing job. All boxes I get from china to USA are VERY well packed and inspected. each cell isolated from one another.
Originally Posted by battman
(Post 1100940)
The knee jerk reaction is that of the uninformed.
Dont let a couple incidents, while tragic, stop u from flying batteries. and if so, yes, it would kill all electronic devices as we know them today. so, all of you on china to US flights, I would not worry about it on bulk shipments. Other flights elsewhere, there should be an inspection to assure safety. Its not that complicated. We do worry about these batteries, ESPECIALLY in bulk shipments. That’s the point. A large quantity of these has all the more potential to become dangerous as a result of mishandling or poor packing.
Originally Posted by battman
(Post 1100964)
To that I would say.
It is not up to the pilot to inspect all packages, naturally. It is the job of the shipper and those who handle the shipment on the ground before it ever gets to the aircraft. Your view on this is too rooted in theory and absolutes.
Originally Posted by battman
(Post 1100964)
Load the lithium in the unpressurized section of cargo and isolate it , only thing i can think of.
Li batteries are not dangerous with proper packing. This is a shipper issue.
Originally Posted by battman
(Post 1100964)
ok
If I knew there was a lithium shipment ?? yes, I would go look at the boxes. give them a good shake, see if anything moves around inside, especially if these are originating from outside china or USA,
Originally Posted by battman
(Post 1100964)
Anybody in their right mind engaged in commerce sending these batteries is not going to just dump them all together in a box.
Originally Posted by battman
(Post 1101023)
If a lithium pack or cell is damaged by outside fires from something else, or penetration / crushing or brought together someway to cause a short....the resulting chemical reaction will take place in a few minutes. Long before it reaches the ramp.
Originally Posted by battman
(Post 1101023)
In the case of LiFepo4 type, it will be a little smoke, no fire.
Lithium batteries do not ignite by themselves.
Originally Posted by battman
(Post 1101023)
Even IF the shipment was labeled as hazardous, that would not have changed anything. The plane caught fire for other reasons. the batteries just added to it.
Originally Posted by battman
(Post 1101023)
Since the pilots had no time even for an emergency landing, that says it was an explosion, and, batteries dont explode. Also, the type lithium battery was not cleary indicated, just a big wide brush saying ALL lithium batteries are now suspect.
That should answer all your Q's. As I said earlier – don’t really care what type of batteries. If they can do this to a 747, then they can stay on the ground until someone is willing to require them to be handled commensurate with the potential threat they pose. |
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