The purchase of halon fire extinguishers for flight line, hanger, or shop use is?

• A. Not regulated
• B. Prohibited
• C. Optional
• D. Required

Answer: (B)

Halon extinguishers are tightly controlled because they deplete the ozone layer. For flight line, hangar, or shop use, purchasing Halon extinguishers is prohibited under environmental regulations. Only approved sources and certified service providers may handle Halon stock or service existing units, and many facilities use alternative extinguishing agents. So the purchase of Halon extinguishers is not allowed, making the correct understanding that it is prohibited.