Analysis: EC635s in the Alpine skies
The Swiss Air Force used to operate 32 Alouette IIIs and when the time came to change the fleet, the EC635, also known as the H135M, was selected.
Key considerations of the model selection included a reduced maintenance cycle and more efficient capabilities.
The first four helicopters were built in Germany and delivered to the Swiss Air Force in March 2008, while the remaining 16 were locally assembled by Ruag and delivered between 2008 and 2010. After over six years of operation, the choice proved to be consistent with the requirements of the Swiss Armed Forces.
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