Crash of Ferry Leaves Questions On Enforcement of Safety Rules
Lack of enforcement of detailed set of rules governing Staten Island ferry may have contributed to ferry accident that killed 10 people when one of biggest boats hit pier at full speed; safety records and interviews reveal limited oversight of operations; accident could lead to major changes in ferry operations; New York City may take lead from Washington State, only ferry system larger than New York City's, where ferries use satellite navigation devices to help determine speed, count of passengers is kept and emergency procedure announcements are made regularly; photos (M)

