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CRITICAL USES OF HALONS REFERRED TO IN ARTICLE 9(1) For the purposes of this Annex, the following definitions apply: 1. ‘cut-off date’ means the date after which halons shall not be used for fire extinguishers or fire protection systems in new equipment and new facilities for the application concerned; 2. ‘new equipment’ means equipment for which, by the cut-off date, neither of the following events has occurred:

(a) signature of the relevant procurement or development contract;

(b) submission of a request for type approval or type certification to the appropriate regulatory authority; for aircraft, submission of a request for type certification refers to a submission of a request for a new aircraft type certification; 3. ‘new facilities’ means facilities for which, by the cut-off date, neither of the following events has occurred:

(a) signature of the relevant development contract;

(b) submission of a request for planning consent to the appropriate regulatory authority; 4. ‘end date’ means the date after which halons shall not be used for the application concerned and by which date the fire extinguishers or fire protection systems containing halons shall be decommissioned;

5. ‘inerting’ means preventing the initiation of combustion of a flammable or explosive atmosphere by means of the addition of an inhibiting or diluting agent; 6. ‘normally occupied space’ means a protected space in which it is necessary for persons to be present most or all of the time in order for the equipment or facility to function effectively; for military applications, the occupancy status of the protected space is applicable during a combat situation;

7. ‘normally unoccupied space’ means a protected space that is occupied for limited periods only, in particular for undertaking maintenance, and where the continual presence of persons is not necessary for the effective functioning of the equipment or facility. CRITICAL USES OF HALONS Application Cut-off date (31 December of the stated year) End date (31 December of the stated year) Category of equipment or facility Purpose Type of extinguisher Type of halon 1. On military ground vehicles 1.1. For the protection of engine compartments Fixed system 1301 1211 2402 2010 2035 1.2. For the protection of crew compartments Fixed system 1301 2402 2011 2040 2. On military surface ships 2.1. For the protection of normally occupied machinery spaces Fixed system 1301 2402 2010 2040 2.2. For the protection of normally unoccupied engine spaces Fixed system 1301 1211 2402 2010 2035 2.3. For the protection of normally unoccupied electrical compartments Fixed system 1301 1211 2010 2030 2.4. For the protection of command centres Fixed system 1301 2010 2030 2.5. For the protection of fuel pump rooms Fixed system 1301 2010 2030 2.6. For the protection of flammable liquid storage compartments Fixed system 1301 1211 2402 2010 2030 3. On military submarines 3.1. For the protection of machinery spaces Fixed system 1301 2010 2040 3.2. For the protection of command centres Fixed system 1301 2010 2040 3.3. For the protection of diesel generator spaces Fixed system 1301 2010 2040 3.4. For the protection of electrical compartments Fixed system 1301 2010 2040 4. On aircraft 4.1. For the protection of normally unoccupied cargo compartments Fixed system 1301 1211 2402 2024 2040 4.2. For the protection of cabins and crew compartments Portable extinguisher 1211 2402 2014 2025 4.3. For the protection of engine nacelles and auxiliary power units Fixed system 1301 1211 2402 2014 2040 4.4. For the inerting of fuel tanks Fixed system 1301 2402 2011 2040 4.5. For the protection of dry bays Fixed system 1301 1211 2402 2011 2040 5. In land-based command and communications facilities essential to national security For the protection of normally occupied spaces Fixed system 1301 2402 2010 2025