Effective April 6, 1998, the manufacture of the Halon 1211-1301 blend is prohibited (Federal Register, 63 FR 11084 dated March 5, 1998) except for aviation fire protection, and military, provided that the owner at the time of disposal, if there is any Halon remaining in the unit, properly returns the unit to the manufacturer for the recycling of the Halon.

Therefore, effective April 6, the Halon 1211-1301 blend will only be sold “for aviation use only” in the United States.

The rule does not prohibit:
The sale or use of Halon blends produced prior to April 6, 1998.
Halon 1211 propelled by nitrogen.
Halon 1211-1301 outside the United States.