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De Havilland Canada DHC-6 Twin Otter
The DHC-6 Twin Otter is a 20-seat STOL feederliner and utility aircraft
developed by de Havilland Canada. It is often called the most successful aircraft
program in Canada's history.
Development of the aircraft began in 1964, with a first flight on May 20, 1965.
The enhanced reliability and performance of twin engines made it an immediately
popular alternative to the Single Otter which had been flying since 1951. Twin
Otters could be delivered with floats, skis, or tricycle landing gear direct
from the factory, and became popular bush planes in Alaska and northern
Canada. Also used for MEDEVACs and cargo, many Otters still serve in the far
north, but they can also be found in Africa, Australia, Antarctica, and other
regions where bush planes are preferred.
The first aircraft produced were designated Series 100s. In 1968, the 200 series
improved the STOL performance as well as adding a sharper, longer nose
(except when fitted with floats) and reconfigured rear storage compartment.
These proved much more popular and within a year 115 had been sold — equal
to the number of 100 series airframes. The 1969 -300 series followed quickly,
further increasing performance by adding more powerful PT6A-27 engines. This
would prove the most succesful variant by far with 614 airframes sold before
production ended in 1988.
This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article "De Havilland Canada DHC-6 Twin Otter".
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