From The Archives: Twin Otter Boosts Hot Climate Capability

Increased engine power would be installed in the de Havilland DHC-6 Twin Otter STOL transport, which was under development, to boost its hot weather capability and improve chances of off-the-shelf sales to the military, David A. Brown reported.

The aircraft will be the first to have United Aircraft of Canada, Ltd., PT6-A20 engines and later models of the Twin Otter may be able to accept the PT6-A21 version of the engine.

Read more from this article about the Twin Otter boosting its hot climate capability on page 72 of the January 4, 1965 issue of Aviation Week & Space Technology, including the Twin Otter performance specifications. 

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