(2 of 2)
The general aviation industry, meanwhile, is circling its Cessnas. Even before the Bishop incident, measures were pending in Congress that would mandate annual psychological tests for the nation's 650,000 licensed pilots; the schools are pushing to tighten only terminal security. Whatever emerges, Bishop's fatal flight may teach aviation schools a new lesson in safety.
--With reporting by Andrew Goldstein/Washington and Michael Peltier/Tallahassee
