Built for US Army as L-20A/U-6A 53-7939. In 1989 it was operating on scheduled passenger flights on floats for Lake Union Air from Seattle's downtown seaplane base. Behind is DHC-2 N3LU (c/n 464) and at the rear is Cessna U206D N72222 (c/n 1327) also of Lake Union Air.
Built in 03.44 as R4D-5 17175 c/n 12779 for USMC. Became the first rebuild to R4D-8/C-117D "Super Dakota" standard in 10.51, retaining its BuNo but receiving new c/n 43301. Retired to Davis Monthan in 04.77. N21270 with Hawkins & Powers from 01.83. Lan-Dale Co from 10.85 and reregd to N175TD and again to N30000 (6) from 04.90. XA-TMR. N32TN from 02.02 until wrecked in storm in Florida in 2017.