C-72 was a blanket designation given to a variety of privately owned

Waco Waco ( ) is the county seat of McLennan County, Texas, United States. It is situated along the Brazos River and I-35, halfway between Dallas and Austin. The city had a 2020 population of 138,486, making it the 22nd-most populous city in the st ...

enclosed-cabin biplanes pressed into service by the

United States Army Air Forces The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and ''de facto'' aerial warfare service branch of the United States during and immediately after World War II ...

in 1942. In all, 42 aircraft were taken and used for light transport duty wherever needed.

Variants

USAAF Waco UC-72 42-38271, at Hammer Field side

;UC-72 :12 impressed civil Waco SRE, powered by a Pratt & Whitney R-985-33 Wasp Junior. ;UC-72A :One impressed civil Waco ARE, powered by a Jacobs R-915-1 (Jacobs L-6-1). ;UC-72B :Four impressed civil Waco EGC-8, powered by a Wright R-760-E2 Whirlwind. ;UC-72C :Two impressed civil Waco HRE, powered by a

Lycoming R-680-9 The Lycoming R-680 is a nine-cylinder air-cooled radial engine, the first aero engine produced by Lycoming. The engine was produced in two types, the E and B series; both are essentially the same. The B4E was available in a trainer version wit ...

. ;UC-72D :Two impressed civil Waco VKS-7, powered by a Continental R-670-3 ( Continental W-670-3). ;UC-72E :Four impressed civil Waco ZGC-7, powered by a Jacobs R-830-1 (Jacobs L-5-1). ;UC-72F :One impressed civil Waco CUC-1, powered by a Wright R-760E Whirlwind. ;UC-72G :One impressed civil Waco AQC-6, powered by a Jacobs R-915-1. ;UC-72H :Five impressed civil Waco ZQC-6, powered by a Jacobs R-830-1. ;UC-72J :Three impressed civil Waco AVN-8, powered by a Jacobs R-915-1. ;UC-72K :Two impressed civil Waco YKS-7, powered by a Jacobs R-755-1 (Jacobs L-4-1). ;UC-72L :One impressed civil

Waco ZVN-8 The Waco N series is a range of 1930s United States, American-built cabin biplanes with a fixed tricycle undercarriage produced by the Waco Aircraft Company. Design and development Waco introduced the luxury N-series biplane in 1937. It was bas ...

, powered by a Jacobs R-830-1. ;UC-72M :Two impressed civil Waco ZKS-7, powered by a Jacobs R-830-1. One later factory retrofitted with a Lycoming R-680-13. ;UC-72N :One impressed civil Waco YOC-1, powered by a Jacobs R-830-1. ;UC-72P :Two impressed civil Waco AGC-8, powered by a Jacobs R-915-1. ;UC-72Q :One impressed civil Waco ZQC-6, powered by a Jacobs R-830-1.

References

;Notes ;Sources * {{USAF transports Waco C-072 C-72