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

CIVIL AVIATION DEPARTMENTHONG KONG, CHINAAirworthiness Notice1 ApplicabilityTHIS NOTICE GIVES DETAILS OF A MANDATORY ACTIONCARGO COMPARTMENT CLASS CHANGENo. 36BIssue 230 September 2003This Airworthiness Notice is applicable to Hong Kong registered aeroplanes issuedwith a Certificate of Airworthiness in either the Transport (Passenger) or Transport(Cargo) Category.Note: Aeroplanes originally certificated to FAA 14 CFR Part 25 prior to amendment25-93 and operated under FAA 14 CFR Part 91 or Part 135 before issued with aCertificate of Airworthiness in Hong Kong are not required to comply with thisNotice.2 Introduction2.1 FAR 25.857 amendment 25-93 deleted the definition of Class D cargocompartments. FAR 25.858 was also revised to include baggagecompartments. And most significantly, FAR 121.314 was revised to requirethat all Class D cargo compartments meet the criteria for Class Ccompartments or, if an all cargo airplane, for Class E compartments. Therevised FAR 121.314 applies to transport category airplanes type certificatedafter 1 January 1958.2.2 The Director-General adopts the FAR changes in total except the due date forretrofit.3 Compliance3.1 After 1 July 2003, each Class D cargo and baggage compartment classified asper FAR 25.857, regardless of volume, must meet the standards ofFAR 25.857(c) and FAR 25.858 for a Class C compartment unless theoperation is an all-cargo operation in which case each Class D compartmentmay meet the standards in FAR 25.857(e) for a Class E compartment.3.2 After 1 July 2003, each Class D cargo and baggage compartment classified asper JAR 25.857, regardless of volume, must meet the standards ofJAR 25.857(c) and JAR 25.858 for a Class C compartment unless theAN-36B P.130 September 2003