31 July 2011 C1 CIVIL AVIATION DEPARTMENT HONG KONG ...

5.5 Further to 5.1 above, users of aircraft components and spares should alsoreport to the Type Certificate holders and their regulatory authorities, of anysuspected unapproved parts in addition to the MOR procedures. Users mayapproach CAD for assistance on such reporting.6 Foreign aircraft and approved component manufacturers can be contacted by usersthrough their agent or direct, for verification that specific serial numbered itemspurported to be manufactured by them are in fact recorded in their archives.7 The Certifying Person and User Responsibility7.1 The Certifying Person (User) can be either the approved organisation, a personauthorised in accordance with that organisation's Exposition, or anappropriately Type Rated HKAR-66 Aircraft Maintenance Licence holder,who issues the Certificate of Release to Service for installation of an aircraftpart into an aircraft, its engine(s), propeller(s) or equipment.7.2 The User of an aircraft part is responsible for ensuring that the part isserviceable and conforms to the standard determined by the appropriate typecertificate holder as being suitable for the intended application. In order todischarge this responsibility to the satisfaction of the Director-General, theUser must, when obtaining an aeronautical part from a supplier, ensure thatthe purchase order contains accurate definition of the aircraft parts and fulldetails of the quality control and certification requirements to be met by thesupplier in satisfying the order. The User must also take all necessary stepsto verify that the supplier is meeting the requirements of the purchase order.This may require the User visiting the supplier’s facilities.7.3 In order to contain the serious problem of unapproved parts, Commercial AirTransport Operators (Public Transport) and associated MaintenanceOrganisations who are users of aircraft spares should ensure that their aircraftspares purchasing policy and procedures are unequivocally stated in theircompany expositions/engineering procedural documents. They should alsoensure that any deviation from that policy must be approved by the qualitymanager in accordance with procedures acceptable to the Director-General.7.4 Other organisations and private owners who purchase aircraft parts ormaterials can only be advised to exercise extreme caution and remember theywill have to convince the user of the authenticity of such spares.8 Airworthiness Notice Numbers 16, 17 and 97 provide advice on the acquisition ofaircraft or material parts for aircraft with Certificates of Airworthiness.15 February 2009 AN-19 P.4