Maintenance and Modifications
Avcon Approved for Non-Halon Extinguishers in Learjets
Halotron BrX replacement units are size-equivalent and weigh about the same
Halotron fire extinguisher
© Avcon Industries

The FAA has issued a supplemental type certificate (STC) to Butler National subsidiary Avcon Industries and its affiliate Butler Avionics to replace portable Halon fire extinguishers with non-Halon units for all Learjets from the Model 24 through the Learjet 75.

Replacement portable extinguishers, manufactured by Amerex, use Halotron BrX, and they are size-equivalent, “having minimal impact on fit and compatibility,” according to Avcon.