Avionics
Butler National STCs ADS-B for Older Learjets
The solution is approved for the Lear 35, 35A, 36 and 36A models.

Kansas-based aircraft special-mission and avionics modification specialist Butler National has been awarded an FAA STC for its ADS-B OUT solution for TCAS II-equipped Learjet 35s, 35As, 36s and 36As.