A POWER SUPPLY INTERFACE CIRCUIT CARD ASSEMBLY (CCA). ITEM IS PART OF ISDU (INERTIAL SYSTEM DISPLAY UNIT) THAT PROVIDES DATA DISPLAY AND KEYBOARD ENTRY FUNCTIONS FOR THE IRS INERTIAL REFERENCE SYSTEM). IS CONSIDERED AS AN ELECTRONIC ASSEMBLY PART OF AN AIRCRAFT NAVIGATION SYSTEM.

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 8529 FOR PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF HEADINGS 8525 TO 8528 GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 8529 90 FOR OTHER THAN AERIALS AND AERIAL REFLECTORS OF ALL KINDS; PARTS SUITABLE FOR USE THEREWITH CN CODE 852990 65 FOR OTHER THAN PARTS OF APPARATUS OF SUBHEADINGS 8525 60 00, 8525 80 30, 8528 41 00, 8528 51 00 AND 8528 61 00: ELECTRONIC ASSEMBLIES TARIC 85299065 90 FOR OTHER THAN ELSEWHERE SPECIFIED IN THIS SUBHEADING ALSO CLASSIFIED IN ACCORDANCE WITH:- NOTE 2 (B) TO SECTION XVI COMBINED NOMENCLATURE EXPLANATORY NOTES (CNEN) TO 8529 90 65