No. It was past its use by date, which does not mean it was any of the above. At worst, it possibly had a shorter operating life.
John
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At worst, it didn't work at all.
No matter how good the battery is , I think the locator beacon battery would be flat by now, I can't recall the operating time, but think its only a month. The time has come to accept it's lost. To me it seems a waste of resources now. The sonar search ship is probably $100K/day. Australia has fulfilled their SAR obligation.
Maybe a glimmer of hope with this unopened MAS towelette found on Cervantes beach in WA:
No Cookies | Perth Now
One towelette pack, probably dropped by tourist walking in Cervantes, who happened to keep it from a MAS flight. More likely explanation.
Right from the start the sensible money has been on a scenario similar to Helios 522 - either loss of pressure or smoke/fire.
Helios Airways Flight 522 - Wikipedia, the free encyclopedia
Again, the problem with that theory is the total lack of ANY washed-up wreckage...anywhere. An aircraft out of controlled flight hitting the water is like hitting concrete. A considerable amount of wreckage would float, as was shown by the Air France flight 447 disaster. Some of the wreckage from Malaysia 370 would have been found by now, no doubt about it.
I thought the only way there would be no wreckage is if the pilot did a textbook controlled gear up landing .
heres another possibility.
Mathematicians think they've worked out what happened to Flight MH370 - ScienceAlert
I still think they landed on diego garcia !
The southern Indian Ocean is very large, and has little traffic. Furthermore, many of the coastlines are very sparsely populated, and much of them are very uninviting for beachcombing.
Even if some wreckage has come ashore, it is quite possible nobody has ever seen it, let alone recognised it. AF 447 was lost in a far more accessible area of the globe, where there is a lot more traffic and much better weather. And it took a long time to find.
John