Ordered by the USAAF as C-47B 43-49616. Delivered to the US Navy as R4D-6 50822 in 1944. To North Central Airlines as N2400 in 1956. Returned to the US Navy in 1962. Sold in 1966. To Missionary Flights and Services in 1984. Reregistered as N400MF in 1994. Still current on the register in 2021 owned by N400MF Inc. based at Anchorage, AK.