Sunday, May 23, 2010

Re: Light-Sport Aircraft Yahoo group 406



I agree, Helen.  I was just pointing out that they do monitor the freq.  As you point, as far as ELTs go, airliners are pretty worthless.  (And ELTs are the subject here)  If you ever have a problem and call on 121.5, airliners have more value because they can hear you  and act as your over the horizon relay.  Mike and Olivier used them to pass position reports during their North Atlantic crossing, for example. 

 

The problem with relying on airliners is that since these signals are line of sight, and airlines fly so high, they will here them from many miles away and have no to determine direction or location.

The problem with relying on ATC is the opposite.  Since these signals are line of sight and ATC's receivers are on the ground, unless you crash right next to their receiver, they won't hear it.

Helen



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