The sightseeing helicopter that crashed in Pigeon Forge last week, killing all five people aboard, sounded as if "the engine was wound tight" and that it "lost the rotor sound," a witness told ...

The main rotor hub and attached parts were found about 39 yards away. The debris surrounded those items and the fuselage, which suffered "intense fire damage." ...

In 2015, the tail rotor driveshaft on another one of the company's Bell 206 helicopters detached, which caused a loss of control and hard landing in New Jersey, according to the NTSB. The pilot ...

Marenco Swiss Helicopter is making tweaks to the main rotor hub of the SH-09 light-single based on data from flight tests that began last October.

The FAA issued a second emergency airworthiness directive (AD) this week that requires operators of additional models of Bell helicopters to inspect their main-rotor hubs for potentially faulty ...

Mast bumping is a condition that may occur with a teetering rotor system when excessive main-rotor flapping results from low “G” (load factor below 1.0) or abrupt control input.

The U.S. Federal Aviation Administration (FAA) on Wednesday issued an emergency directive requiring main rotor inspections for some Bell model 212, 204 and 205 helicopters after a fatal crash in ...

The U.S. Federal Aviation Administration (FAA) on Wednesday issued an emergency directive requiring main rotor inspections for some Bell model 212, 204 and 205 helicopters after a fatal crash in ...