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DC6
First year in service: 1947
Manufacturer: Douglas
Passenger capacity: 58
Cruising speed: 300mph
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Convair 340
First year in service: 1952
Manufacturer: Consolidated Vultee Aircraft Corp.
Passenger capacity: 44
Cruising speed: 270mph
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DC7
First year in service: 1954
Manufacturer: Douglas
Passenger capacity: 48-105
Cruising speed: 365mph
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