The specifications section is hilarious. They were a tad optimistic…

Estimated maximum speed: 480km/h (300mph) Actual maximum speed: 56km/h (35mph)

Estimated range: 1,601km (995mi) Actual range: 127km (79mi)

Estimated service ceiling: 3,000m (10,000ft) Actual service ceiling: 0.91m (3ft)