Eligible On: Late model Cessna 180 Series Aircraft with S/N# 51313 and on as well as all Cessna 185 Series Aircraft. 

STC: SA02360AK (covers C180 only) 

FAA/PMA: Yes 

Material: 304 SS 

Purpose: Used for ski rigging installation. 

Installation: Brackets are bolted on. See copy of installation instructions here: INSTALLATION INSTRUCTIONS 

Additional Information: Commonly used for straight wheel ski replacement installations under FAA field approval.