• 53-2800 US Army #1343 L-20 No: 344 Command A-4. Delivered 07-Jan-1954. Built as L-20A and re-designated U-6A in 1962.
• 53-2800 Served with IAGS-5 937th. In Panama.
• HK-**** A.E. Colombia - ntu?
Note: Reported as sold to Colombian Government.
Note: This aircraft was believed to be stored at Tucson, AZ 1978-1979 in A.E Markings with one other. Several persons have reported seeing these aircraft but apart from a reference to having the serial numbers prefixed by “SA” e.g. SA592 we have little information. Were the aircraft supposed to be delivered to Aerolineas Especiales de Colombia Ltda? "A.E." was the approved government abbreviation for this air taxi operator.
• See " The Tucson Twins "