Because of their unique versatility in aerial transportation, helicopters are some of the most important machines of the modern era. Capable of vertical take-off and landing, helicopters are used in ...

A loophole in a 1994 federal aviation regulation enables helicopter manufacturers to skirt a requirement to put crash-resistant fuel systems in new aircraft — including the model that crashed Saturday ...

The helicopter tour company whose aircraft was in a deadly crash in the Grand Canyon this month plans to retrofit its fleet with crash-resistant fuel tanks. Boulder City-based Papillon Grand Canyon ...