24 Aug. 2014 From Alert to Eurika Taking advantage of the light and beautiful scenery. An evaluation of the Chinook CH147F helicopter in the Northern Domestic Airspace (NDA).The project is executed by a test team comprised of Aerospace Engineering Test Establishment (AETE) and 450 Squadron personnel. Operating under the Experimental Flight Permit (EFP). The test consists of two self-deploying Chi..