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

Certificates of Release to Service under HKAR 145.50 following thecompletion of base maintenance on aircraft which are endorsed on the licenceand the corresponding authorisation as individual types. Such persons are inessence certifying for the completion of the process associated with basemaintenance and are supported by appropriately qualified and experiencedHKAR-66 Categories B1 and B2 staff who will inspect and supervise theactual work. The scope of coverage therefore reflects the whole aircraft andis not limited to certification of solely mechanical or avionic systems.7.4 It should be noted that a HKAR-66 Category C licence holder cannot beauthorised to act as a line maintenance certifying engineer, exercising linemaintenance certification privileges, nor conducting base maintenance, in therole of an inspector or supervisor clearing individual tasks, unless the licenceis also endorsed with the appropriate HKAR-66 Category B1 and/or B2licence with the relevant type rating endorsements.7.5 The certification authorisation can only be issued by a HKAR-145 approvedmaintenance organisation when the HKAR-66 licence holder has the basicCategory C listed and the aircraft type rating endorsed on the HKAR-66Aircraft Maintenance Licence. The type training for a HKAR-66 Category Ctype endorsement, conducted under a HKAR-147 approval, will represent theappropriate mix of systems knowledge as specified in HKAR-66. Thecertification authorisation will specify the privileges for the individual, givingdue regard to the company scope of approval and any associated proceduresagreed with the Director-General.8 HKAR-66 GeneralNOTE: A person qualified to HKAR-66 Category B1 or B2 level with type endorsementswill also be eligible for a Category C type authorisation, providing the basicHKAR-66 Category C licence is held.Holders of HKAR-66 Aircraft Maintenance Licence with type endorsements may berequired to undertake appropriate differences type training where the aircraft type to beauthorised embodies significant variations in the equipment fitted or the aircraft systemsconfiguration. The responsibility for determining the training to be undertaken willremain with the HKAR-145 approved maintenance organisation.9 CancellationThis Notice cancels Airworthiness Notice No. 3 Issue 23, dated 31 January 2006, whichshould be destroyed.Norman LODirector-General of Civil AviationAN-3 P.1330 May 2008