Heinkel HD 27
# Heinkel HD 27

The Heinkel HD 27 was a mail-carrying transport built in Germany in the 1920s.

## Operational history

The HD 27 flew in 1925 and carried mail until 1928, when it was destroyed in a tornado. No more airframes were built, but the HD 27 formed the basis for the HD 39.

## Specifications

Data from

General characteristics

* Crew: one
* Capacity: two mail compartments
* Length: 8.80 m (28 ft 10 in)
* Wingspan: 12.40 m (40 ft 8 in)
* Powerplant: 1 × Liberty L-12 V-12 water-cooled in-line piston engine, 300 kW (400 hp)
* Propellers: 2-bladed fixed pitch propeller

Performance

* Maximum speed: 178 km/h (111 mph, 96 kn)
* Cruise speed: 155 km/h (96 mph, 84 kn)
