>The last time I checked, adding auto-pilot features to any mobile such >that it can navigate without human countrol makes it illegal as a model. >There is also a weight limit for models that can be flown in most >countries (USA == 5 kg ?). Israel exports model auto-pilot systems for hobby use in the USA (see Hobby Lobby online). Many autonomous robots are built here for experimental non-military use. We regularly fly models over 5Kg here, also. 5Kg is a typical model weight (11 pounds or so). Andy ================================================================== Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA ==================================================================