The company has claimed for a long time that the Jetstar is TSSA certified. I have emails form several people in various departments of the TSSA which state that the Jetstar is not TSSA certified, nor would it be. In fact they categorically state that they have never had "Jetstar", "Dynamic Fuel" or "Thomas Fairfull" recorded in any documentation or files. So, beware any claim made by the 'management'.
For the record I did send a photo of the TSSA sticker used on the Jetstar to TSSA and they told me that it relates to a part which was pressure tested for TrentFab a few years back. This component is used in the Jetstar. Reminds me of a company in England who used to put a sticker on their product which gave a BS (British Standards) approval number, giving the impression that their product was BS certified. In fact the BS number quoted related to the adhesion qualities of stickers!