aeajr

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I lost a plane recently. Then I learned about plane locators that connect into an open channel on your receiver. They emit a sound
to help you find your plane if it loses signal from the transmitter.

Here is a review of an Emergency Locator Beacon that illustrates its value
(this site is somewhat unreliable)
http://webhome.idirect.com/~arrowmfg...s/elb-revi.htm

Here are examples of locators for 72 MHZ flight systems.
Postings I have read say you can hear them for about 50+ feet, however if
the flight battery becomes disconnected, they lose power and don't work.
http://www.hobbico.com/accys/hcap0335.html
http://www.rcelectronics.bravepages.com/Locator.html
http://www.customelectronics.co.uk/lma.htm

If you are flying one of the 27 MHZ based ready-to-fly planes, like I am, they
are usually based on an electronics compartment that is not easy to get to unless you take the plane apart. In any case, if you don't have an open channel, I found an answer. I ordered a pair of these:
http://www.keyringer.com

They look like a small clicker for your car door locks. They work by sound.
You click one of a pair which sends out a chirp that the second one hears and
answers. Even behind a tree or other obsticle. I tested them to about 150
feet. Here are photos of a test mount on an Aerobird.
http://www.shutterfly.com/osi.jsp?i=...21b33b641c4516