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

(3) An unrestricted Category B1.2 or B3 sub-category permits the holder toissue Certificates of Release to Service for simple light aeroplanes after abase maintenance check in the case that such aeroplanes are maintained in aHKAR-145 organisation,4.4 HKAR-66 Category B1 certification authorisations allow the holder to issueCertificates of Release to Service under HKAR 145.50 for line maintenanceon aircraft which are endorsed as individual types on the licence and thecorresponding authorisation. HKAR-66 Category B1 licences to the fullHKAR-66 standard include scope to allow the issue of a certificationauthorisation covering work on a combination of the following disciplines:• airframe and their related systems;• engines and their related systems (including Auxiliary Power Units);• electrical power generation and distribution systems (power distribution inrespect of airframe and/or engine systems) including lighting systems (thisincludes all electrical components in mechanical systems such as sensors,motors and control units);• avionic line replaceable units (LRU).In respect of avionic LRUs, the work is limited to cases where theserviceability of the system can be established by a simple self test facility(BITE) or by using simple test equipment and it is expected that, for referencepurposes, a list of such components will be prepared for each aircraft type bythe HKAR-145 approved maintenance organisation. (Defect rectification onavionic systems which requires an element of decision making in itsapplication – other than a simple go/no go decision – cannot be certified).NOTE: The HKAR-66 Category B1 licence holder is not entitled to certify for any overhaulwork.4.5 The certification authorisation can only be issued by a HKAR-145 approvedmaintenance organisation when the HKAR-66 Aircraft Maintenance holderhas the appropriate basic sub-category listed and the aircraft type ratingendorsed on the licence. The type training for a HKAR-66 Category B1 typeendorsement, conducted under a HKAR-147 approval, will represent theappropriate technologies as specified in HKAR-66. The certificationauthorisation will specify the privileges for the individual, giving due regardto the company scope of approval and any associated procedures agreed withthe Director-General, and will specify any limitations to the authorisationaccordingly.NOTE: A HKAR-66 licence issued on the basis of 'protected rights' may contain technicalrestrictions equivalent to the limitations of any HKAR-AMEL licence or companyauthorisations previously held. These 'protected rights' under HKAR-66 are a30 May 2008 AN-3 P.8