> I'm a private pilot > Nate Nate, do you have any experience with TLS ? A flying acquaintance asked recently if I could help him put one together at a rural airport / airstrip for both landings and pilot training http://en.wikipedia.org/wiki/Transponder_Landing_System -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist