On that day, a four-engine Boeing Stratoliner 307 that Knowlen and dozens of volunteers had spent six years restoring crashed into Seattle’s Elliott Bay within full view of startled diners at a ...

Boeing’s 33-passenger Stratoliner, pressurized to travel above the airways at 20,000 feet, was in her death throes, had broken up in an engineering test dive. Down the crippled ship came ...