According to http://www.pilotmix.com the Tierra manufacturer is Golden Circle Air, Inc; and their details can be found at -
http://www.google.com.au/url?sa=t&source=web&ct=res&cd=4&ved=0CBEQFjAD&url=http%3A%2F%2Fexp-aircraft.com%2Faircraft%2FpagesAir%2FGolden-Circle-Air.html&ei=t7D7Sp-mOZHwsQOk0aR5&usg=AFQjCNGUPHbsWM5RzTirI5DolLGMoVdeSw&sig2=NQ0Y6h3COXklTN7kHTZK3Q
Just copy & paste this last url into your browser.
Hope this is what you are looking for, otherwise come back and post again perhaps with a photo.
