research using an extensive technical archive, design of parts where original drawings no longer exist, and production of single parts, short runs, and complete structural assemblies. Retrotec also provides maintenance services such as engine overhauls, magneto repair, brake valve work, and specialist sheet metal and woodwork for rare aircraft types. The company undertakes complex engineering challenges, including the reconstruction of intricate wing spars and other components no longer supported by original manufacturers. Retrotec serves independent historic aircraft owners, vintage automobile projects, the film and television industry, and defense-related clients seeking accurate restoration and continued airworthiness of historic machines.