You can legally transmit for any emergency, regardless of licensing status. The emergency definition is purposefully left ambiguous so as to apply to many situations. Lost in the woods? Go ahead, transmit; the FCC isn't going to knock on your door if you live. Every HAM should know this already.
This is the correct info. Anyone in an emergency is allowed to use the amateur frequencies. Just got my technician license a couple weeks ago, emergency use is even actually on the test!