Orbital's Insitu ScanEagle UAS propulsion system has passed the FAR 33.49 reciprocating aircraft engine endurance test, the company announced on 11 February.
In doing so the propulsion system has become the first heavy fuel engine in its class to successfully complete the FAR 33.49 endurance test for reciprocating aircraft engines.
This test was not essential for unmanned aircraft, but Orbital and Insitu agreed to include the test as part of their development and validation testing programme for the ScanEagle engine.
The FAR 33.49 test took place the Orbital development centre in Perth, Western Australia.
This achievement is part of the development plan for the Orbital UAS business. Orbital has been working with Insitu since July 2013 as part of an initial design, development and validation contract for propulsion systems for Insitu UAS.
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