Trumpeter 05816 1/48 Russian Mi-4 "Hound" helicopter model kitTrumpeter 05816 1 48 Russian Mi 4 "Hound" helicopter model kitTrumpeter 05816 1 48 Russian Mi 4 "Hound" helicopter model kit The Mi 4 was designed in response to the American H 19 Chickasaw and the deployment of U. S. helicopters during the Korean War. While the Mi 4 superficially resembles the H 19 Chickasaw, it is a larger helicopter and is able to lift more weight. The first model entered service in 1952, and replaced the Mi 1. The helicopter was