UK CAA Design – Sub part J
The company carries UK CAA design-Subpart J approvals. H4 Aerospace senior engineering team hold UK CAA CVE status covering both mechanical and electrical disciplines.
DOA Approval = UK.21J.0087
EASA, FAA, TCCA, ANAC and other certification authorities
The company over the years has established good working relationships and has been involved on many certified programs with other worldwide aviation authorities in its task to design and approve a modification etc.