Type certificate holder Definition. : The airframe designer which is usually also the aircraft manufacturer but for older aircraft where the manufacturer is no longer in existence then an alternative holder may be agreed by the State of Design.
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WSDRS receives reports from industry users. The Technical Inspectors in Continuing Airworthiness (CAW-TI) and the regional PMI’s for each company, review these reports, possibly make alterations and add notes, and when warranted they check off a box that “forwards” the report to the type certificate holder (Mfg/TCH).
ie) they notify the manufacturers of issues with their products
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