Elias TA-1
 The Elias TA-1 was a 1920s American biplane training aircraft built by Elias. Only three aircraft were built for evaluation by the United States Army Air Service.The TA-1 (a United States military designation Trainer Aircooled No. 1) was designed to meet a United States Army requirement for a training aircraft for the air service. The TA-1 was a conventional two-seat biplane.