AIR CYCLE MACHINE, USED WITHIN THE AIR-CONDITIONING SYSTEM OF AN AIRCRAFT. THE AIR CYCLE MACHINE FIRST COMPRESSES THE AIR AND THEN EXPANDS IT. THE COMPONENTS OF THE AIR CYCLE MACHINE INCLUDE A SHAFT SUPPORTING THE TURBINE, COMPRESSOR AND FAN WHEELS, JOURNAL AIR BEARINGS, BODY, COMPRESSOR SCROLL, VENTILLATION DUCT AND DE-ICING SYSTEM. THE TURBINE SUPPLIES SHAFT POWER TO DRIVE THE COMPRESSOR AND FAN. THE MACHINE'S FUNCTION IS TO REDUCE THE TEMPERATURE OF CONDITIONED AIR OF THE CABIN AND, IN ADDITION, WHILST ON THE GROUND TO INDUCE A COOLING AIRFLOW IN THE RAM AIR DUCT.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8414 - AIR OR VACUUM PUMPS, AIR OR OTHER GAS COMPRESSORS AND FANS; VENTILATING OR RECYCLING HOODS INCORPORATING A FAN, WHETHER OR NOT FITTED WITH FILTERS GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 8414 80- OTHER THAN ELSEWHERE SPECIFIED IN THIS HEADING CN CODE 841480 80 - OTHER THAN TURBO-COMPRESSORS, RECIPROCATING DISPLACEMENT OR ROTARY DISPLACEMENT COMPRESSORS TARIC 84818080 10 FOR USE IN CIVIL AIRCRAFT ALSO CLASSIFIED IN ACCORDANCE WITH NOTE 2 (A) TO SECTION XVI NOTE 3 TO SECTION XVI HARMONIZED SYSTEMN EXPLANATORY NOTES TO HEADING 8414