Multi turbines have also been known to suffer catastrophic failures, check out the Gimli Glider for Details Gimli Glider - Wikipedia, the free encyclopedia So you can never say your'e 100% safe. But you can argue any angle using selective statistics. In the end it just comes down to "Do you feel luck punk?", to quote one of my favourite lines
alistairP,
The Gimli glider did not have any catastrophic failures. It simply ran out of fuel.
No matter how many engines you have (there s always the 4 v. 2 debate regarding oceanic crossings), completely running out of fuel is going to turn any aircraft in a glider.