A CARTRIDGE, FIRE BOTTLE. THIS IS A PREPARED EXPLOSIVE IN A CARTRIDGE, USED TO ACTIVATE A FIRE SUPRESSION BOTTLE LOCATED IN THE ENGINE COMPARTMENT OF A CIVIL HELICOPTER, WITH A MINIMUM AMOUNT OF EXPLOSIVE MATERIAL. THIS IS NOT A PART OF A WEAPON OR AMMUNITION.

GENERAL INTERPRETATIVE RULES 1 & 6 TEXT TO CODES 3602 & 3602 00 00 00 HARMONISED SYSTEM EXPLANATORY NOTES TO HEADING 3602 STATE LABORATORY ADVICE (REF: R16A0118)