Didn't BWoS also propose a turbofan JP replacement, which all the QFIs favoured?
There wasn't a hope in hell of the B-N Fircracker or the paper Australian design winning, so it was a straight contest between the PC9 and the Tucano. Not that 'straight' though, as the Tucano need lots of modification and was always going to win due to the Thatcher government's decision to build the things in Belfast.
When they first flew to Scampton, they had to be parked at a remote spot until it was certain that 'the boyos' hadn't left a little gift inside...
I did hear that they'd found someone's sandwiches in one of them - and that build quality was somewhat variable.