Thaden T-4
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TypeCabin monoplane
National originUnited States
Designer
| T-4 Argonaut | |
|---|---|
| General information | |
| Type | Cabin monoplane |
| National origin | United States |
| Manufacturer | Thaden Metal Aircraft Company |
| Designer | |
| Number built | 2 |
| History | |
| First flight | 1930 |
The Thaden T-4 Argonaut was a 1930s American four-seat all-metal cabin monoplane built by the Thaden Metal Aircraft Company of San Francisco, California.[1]


The T-4 was the third and last design of the Thaden Metal Aircraft Company which had been formed by Herbert von Thaden, a former United States Army Signal Corps pilot and engineer, to work on developing the first American all-metal aircraft. The T-4 was a high-wing monoplane powered by a 300 hp (224 kW) Wright Whirlwind radial engine.[1] It had a fixed conventional landing gear with a tailwheel.[2] Two aircraft were built.[3]