The Lake LA-4 was an American single-engined four-seat amphibian aircraft first flown in 1948. The Lake LA-4 was a shoulder-wing cantilever monoplane of all-metal construction with a double-sealed boat hull. The Lake LA-4 was powered by a Lycoming O-360-A1A four-cylinder horizontally-opposed air-cooled engine providing a top speed of 217 kmh and a range of 1005 km. Research Lake LA-4
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