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

CIVIL AVIATION DEPARTMENTHONG KONG, CHINAAirworthiness Notice1 IntroductionTHIS NOTICE GIVES DETAILS OF A MANDATORY ACTIONEMERGENCY FLOOR PATH LIGHTING SYSTEMNo. 56Issue 431 January 2002This Notice provides additional information on the installation of an Emergency FloorPath Lighting System required by the Air Navigation (Hong Kong) Order 1995Schedule 5, scale Z(iii), as amended.2 Interpretation of Requirements2.1 The following guidance information is provided with the objective of ensuring aconsistent and uniform interpretation of the emergency floor path lighting systemrequirements.2.2 The markings and illumination provided should enable the passenger to visuallyidentify the escape path along the cabin aisle floor.NOTE: It is not necessary to provide visual guidance to enable passengers to move fromtheir seat to the cabin aisle.2.3 The illumination should be of sufficient intensity to enable the passenger toidentify features bounding the cabin aisle.2.4 Where exits are to be found in one direction only, the system should not tend tolead the passenger towards the end of the cabin where there are no exits.2.5 The escape path markings, coupled with exit markings, should be so arrangedthat a passenger will not tend to proceed along the cabin aisle past anyavailable exits. It is recommended that conspicuous markers be placed at thepoint of access from the cabin aisle to the exit.2.6 Exit Identification2.6.1 Only those exits which are either 'designated' emergency exits or'excess' emergency exits should be identified by the emergency floorpath lighting system.AN-56 P.131 January 2002