Thalman T-4 N53389

The 1953 ThalmanT-4 was a four-pace mid-wing cabin monoplane of all-wood geodetic construction. The one built, N53389, had manually retracting undercarriage. Initially powered by a 135hp Lycoming O-290, it was later converted to T-tail with a 170hp O-340.

Engine: 135hp Lycoming O-290

Wingspan: 40'0"

Useful load: 1050 lb

Max speed: 175 mph

Cruise: 155 mph

Stall: 45 mph

Range: 700 mi

Seats: 4

Undercarriage: manual retractable