Description given with photograph: "Howard Hughes tests the Hughes plane. Seattle--Howard Hughes (right), millionaire aviation enthusiast and record holder, shown with Edmund T. Allen, Boeing test engineer, before they made a recent test flight in a Boeing-built Stratoliner. The huge machine was equipped with extra fuel tanks for the test. Hughes did not reveal the reasons for his interest in the four-motored, 30 passenger plane, designed for substratosphere flight."
The hull of the $20,000,000 airplane, also known as the Flying Boat or Spruce Goose, being transferred from Culver City to Terminal Island in the Los Angeles Harbor. The Flying Boat was moved to Terminal Island's graving dock where construction was completed in June of 1947.