Since 1932, when twin-engined, low-wing monoplanes became dominant in U. S. air transport, United Air Lines has steadily patronized Boeing, while its rivals, American and TWAirlines, have done most of their buying from Douglas. Last week United also became a patron of Douglas by ordering ten of the huge, 24-passenger Douglas Sleeper Transports (DST), of which American already has 20 on the way. Price: $1,000,000.
United's Douglas order brings one step nearer the scheme of five major U. S. airlines to standardize equipment. For months United, American, Eastern Air, TWA and Pan American have...