Nearly 300 passengers perish when their plane is shot out of the sky. Airlines suspend flights to Israel's largest airport after rocket attacks. Two airliners crash during storms. Aviation has suffered one of its worst weeks in memory, a cluster of disasters spanning three continents.
Industry analysts and safety experts shake their heads at the seeming randomness of the tragedies, saying they can find no common themes. Nor do they think the events indicate that flying is suddenly becoming less safe.