HAESL and TEXL have both acquired approvals from the CAAC, DCA-T, EASA and FAA, and HAECO Americas' Oscoda facility has approvals from the FAA, EASA and Transport Canada. Moreover, HAESL has also obtained airworthiness approvals from an array of other authorities around the world, including but not limited to CAAS, HKCAD and TCCA. HAESL and TEXL maintain ISO 9001:2000 quality accreditation for process control, and many major national aviation authorities have formally approved the quality standards of their operation procedures.