My understanding is the engine issue would of shown itself up on G109a/G109b or Viking, it's just that the Viking engineering system is a bit more robust than the BGA and it was spotted earlier
Originally Posted by
iRaven
Truly shocking. I had heard that the Vigilant was grounded again due to engine issues. Not the Grob 109B, mind, just the Vigilant because we fiddled with the engine rather than leave it 'bog standard'. Why do we insist on fiddling with commercial off the shelf purchases...