Kopter Expands SH09 Flight Envelope | Aviation International News

Kopter Expands SH09 Flight Envelope

Kopter's SH09 P3 helicopter prototype has achieved speeds of 135 knots and a ceiling of 10,000 feet

The third prototype of Swiss helicopter manufacturer Kopter's SH09 has continued to expand its flight test envelope since its first flight in March. According to the airframer it will now return to the shop for aerodynamic modifications and a new main gearbox housing before resuming testing. Lessons learned from the improved P3 will be used in the configuration of a pair of pre-series helicopters that will fly in 2020.

By Mark Huber • Contributor

June 13, 2019

The third prototype (P3) of the Kopter SH09 single-engine helicopter had achieved forward speeds of 135 knots and flight at altitudes up to 10,000 feet during testing in Sicily, the Kopter Group announced yesterday. Since March, P3 has performed 34 flights, logged more than 100 flight-test hours, and undergone its first major inspection. The company said the aircraft will now undergo “aerodynamic refinements” and be fitted with a new main gearbox housing before returning to flight and further flight envelope expansion.

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