The Hopfner HV-3/27 (also written as HV.3/27) development of the HV-2 was a small airliner built in Austria. It was a conventional, single-engine high-wing cantilever monoplane with a fully enclosed cabin and fixed undercarriage.
A single example was built in 1927 and used by Hopfner’s own airline until 1934.
Engine: 1 × Heiro, 170 kW (230 hp)
Wingspan: 16.40 m (53 ft 10 in)
Wing area: 36.0 sq.m (388 sq.ft)
Length: 10.50 m (34 ft 5 in)
Height: 3.30 m (10 ft 10 in)
Empty weight: 1,380 kg (3,040 lb)
Gross weight: 2,080 kg (4,580 lb)
Endurance: 6 hours
Crew: One pilot
Capacity: 4 passengers
All Aero 