H3R Aviation, Inc., makers of halon and halon-alternative portable fire extinguishers, teamed with Aviall at October’s NBAA to promote a halon-alternative fire extinguisher. The H3R Aviation Model 674 ...

We haven't actually used an H3R Halon extinguisher yet, and hopefully we won't have to, but having used Halon in the past, we know how well it works. Those of you who have used a dry chemical ...

NEW CENTURY, Kan., Dec. 4, 2025 /PRNewswire/ --Butler National Corporation (OTCQX: BUKS), a leader in the growing global market for aircraft modification, maintenance, repair and overhaul (MRO) and a ...