Northrop Alpha - Variants

Variants

Alpha 2

six-passenger version

Alpha 3

two-passenger plus cargo version, several Alpha 2s were converted to this configuration

Alpha 4

cargo version with 2 ft (0.6 m) increased wingspan and large metal fairings encapsulating the main gear for drag reduction. All were converted from Alpha 3s

Alpha 4A

cargo version, all converted from Alpha 4s

YC-19 & Y1C-19

military VIP transport, seating reduced to 4 passengers, serial numbers 31-516 to 31-518, YC-19 had a Pratt & Whitney R-1340-7, while the Y1C-19s had the R-1340-11 engine