SWITCH ALTITUDE FOR AIRBUS A320 CIVIL AIRCRAFT. FUNCTIONAL DESCRIPTION : THE ALTITUDE SWITCH 16WR, WHICH IS INSTALLED IN THE AVIONICS COMPARTMENT, STARTS THE AUTOMATIC OPERATION OF THE PASSENGER EMERGENCY-OXYGEN SYSTEM. IF THE ALTITUDE SWITCH DOES NOT WORK YOU CAN PUSH THE 'MAN ON' PUSHBUTTON SWITCH 14WR. THE ALTITUDE SWITCH CLOSES WHEN THE CABIN PRESSURE DECREASES TO A PRESSURE EQUIVALENT TO 14000 +0 -500 ft. THIS STARTS THE EMERGENCY OXYGEN SUPPLY SYSTEM.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIRS): GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 9032 AUTOMATIC REGULATING OR CONTROLLING INSTRUMENTS AND APPARATUS: GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 903289 OTHER INSTRUMENTS AND APPARATUS CN CODE 90328900 OTHER THAN HYDRAULIC OR PNEUMATIC TARIC CODE 9032890010 FOR USE IN CIVIL AIRCRAFT ALSO CLASSIFIED IN ACCORDANCE WITH:- HSEN TO CHAPTER 9032