Cheaper by the dozen ! A line up at Kenmore, where else !
Where are they all now ? How many are still active?  
Left to right..
1
51-16810
c/n 293
2
ES-317
c/n 1005
3
57-6144
c/n 1230
4
56-0397
c/n 1133
5
53-7939
c/n 754
6
58-2049
c/n 1381
7
56-4410
c/n 1127
8
51-16798
c/n 262
9
51-16796
c/n 256
10
53-7921
c/n 732
11
53-3726
c/n 684
N1018F (1)*
12
53-7902
c/n 710
Photo of line up: Kenneth I. Swartz © 15 October 1978
* c/n 684    53-3726 N1018F (1)*  • Delivered 23/07/54 • 53-3726 US ARMY • # 1417 • L-20 No: 418 • Command A-4 • N1018F Kenmore Air Harbor Inc., Kenmore, WA Regd 13/04/79 • Scrapped 15/02/00 • Canx 22/03/00 • Disposition unknown • Reduced to parts?