The only squadrons to operate out of St Athan on a regular basis are the University of Wales Air Squadron (one of fourteen RAF University Air Squadrons), flying Grob Tutors and No 634 Volunteer Gliding Squadron using Vigilant T.1s.
Missouri Route 115 | Grob G103a Twin II | Heinkel He 115 | Grob G 115 | Veľký Grob | VAW-115 | Slovenský Grob | North Carolina Highway 115 | Grob fragmentation | Grob | Colorado State Highway 115 | Chorvátsky Grob | 115 Thyra |
Hoffmann intended this aircraft to compete with sporting two-seaters such as the Grob G 115 and Robin ATL, but was unable to find the financial backing to bring the aircraft to market, despite a 30% share bought in the project by German pump manufacturer ABS.