• 53-2811 US Army #1354 L-20 No. 355 Command A-4. Delivered 19-Feb-1954. Built as L-20A and re-designated U-6A in 1962.
• 53-2811 Iowa National Guard.
• N9777Z Kenmore Air Harbor Inc., Kenmore, Washington. Regd 25-Aug-1972.
FAA Shows date of manufacture-as 1972. I.e. a Kenmore rebuild.
Note: Sep-2012. Neil Aird comments “After contact with Kenmore it is reported that “at the moment there is a data-plate awaiting an aircraft".