I was on one of these 'mentored' schemes starting back in 2007.
The original plan was for the airline to provide 100% loan guarantees, throwing the net wide open to those of the best ability (rather than filtering those of ability out who were unable to secure the funding).
However, a short time into the application process, it became clear the guarantor element would not be provided.
The reason being, the bank required the company to deposit several million pounds in cash for the lifetime of the loans.
Given the current financial situation - I would rule out any guaranteed training loans in the future
