TKS Flight Into Known Icing Approved for Bonanza G36s -  CAV Aerospace, Inc. has received amended Supplemental Type Certification (STC) approval from the FAA to install the TKS Flight Into Known Icing (FIKI) protection system in Bonanza G36 aircraft. The company is scheduling installation of the proprietary TKS system in Bonanza G36s for a base price of $47,500. Read More