Mostly the 14' beam tall rig standard model. Although there was also a capsize of the 18' tall rig turbo.

There's been quite the discussion on this (multiple threads) on Sailing Anarchy, with some taking the position of "if you're scared of it and don't have the skills, don't sail it" and others of the "this is bad behavior for such a design, you're going to get us banned and our insurance cancelled".

Some feel it is being marketed as an all around family boat when it is really too powerfull to be marketed that way.

But, given the number of boats sailing, there have been more capsizes than other designs. From those of us familiar with Farrier's boats and methodologies it seems excessive, but...

On an intersting note about perceptions - I Googled for F-27 capsizes and found a Dragonfly forum where they were discussing their feelings that the Farrier boats were too high-strung and prone to capsize...