TT Straps
I was just reading through the blog. There were some questions about the life limits and certification of the Airwolf FAA PMA TT Straps. The life limits are currently the same for the Airwolf TT Straps as the Bell (Lord) straps at 1,200 hours/ 24 months. Airwolf is working to provide extended life straps.
As far as certification of PMA parts is concerned, the FAA put out a special airworthiness information bulletin in 2008 to address the (FUD) fear uncertainty and doubt that OEMS were spreading about PMA parts. The SAIB NE-08-40 included the following information.
"FAA-approved TC/PC holder, PMA, and STC parts are interchangeable within the certificated product since they are approved only after a full demonstration of compliance to the applicable requirements of Title 14 of the Code of Federal Regulations (14 CFR). A PMA or STC part, when FAA-approved for installation on a certificated product, is a valid replacement part to the TC/PC holder part according to 14 CFR;"
The Airwolf straps went through a complete certification process demonstrating compliance to the CFR’s before PMA approval was granted. The Airwolf straps are considerably less expensive and are in stock. Airwolf’s website is “airwolfaerospace.com”