Google Maps released a relatively new feature called "Share location". It allows you to share your location with another person for a set amount of time. We successfully used this to track our XC guys this past weekend (OLC -
http://tinyurl.com/yc5d3ltc) and it was very easy to setup. The one attribute sorely lacking for glider tracking is altitude, but it should make a retrieve a snap (provided you land in cell coverage).

https://support.google.com/maps/answ...DAndroid&hl=en


Sidenote, it's also good for tracking wayward teenagers