Wien's first flight took place on 4 June 1924, and by the end of the month had flown 170 passengers, two at a time in the front cockpit, on a 15 minute ride.
The first flight piloted by Wien took place on 4 June 1924, and by the end of the month, it had carried 170 passengers, seated two at a time in the front cockpit, for a 15-minute excursion.