the problem is it's so close it can be dangerous. and now it's turned deadly. it's a major tourist draw on the caribbean island of st. martin. tourists line up on the beach with only a chain link fence between them and an active runway at princes juliana international airport. the blast from the jet engines on passenger planes about to take off literally knock thrill seeking tourists off of their feet. on wednesday, the blast from one passenger plane sent a 57-year-old woman flying into the retaining wall, killing her. the police force of st. martin said in a statement the airport authorities and other local authorities have taken all necessary measures such as placing of signs to warn the general public not to stand in the path of the jet blast of a departing aircraft because of the danger involved.