One thought on “Disappearing Airliners

  1. The technology Budd Davisson ponders has in fact been available and in use for quite a while on offshore helicopters. It’s called Automatically Deployable Emergency Locator Transmitter (ADELT), and is similar in function to current ELTs except that it’s externally mounted, and automatically deploys (hence the name…) due to g-force or water contact, and can also be manually deployed. An internet search will turn up a fair bit of info on this technology, including one apparent reason why it’s not mounted on airliners – it’s not very aerodynamic! Also, the number of airliners that ditch or crash into the ocean is extremely low, the chances of survivors is also low, usually the general position is known, it will drift away from the crash site, and so the benefit is pretty limited.

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