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 federal ...

One week after five people were killed in a sightseeing helicopter crash in Pigeon Forge, the preliminary report from the NTSB seems to indicate the aircraft may have been having mechanical issues.

PIGEON FORGE, Tenn. (AP) — The tail rotor of a helicopter may not have had power at the moment the aircraft crashed into trees on the top of a ridge last week, killing the pilot and four people ...

PIGEON FORGE (WATE) – A witness who lived near the site of an accident where a sightseeing helicopter carrying 4 passengers crashed said the helicopter was flying in a descent and it “didn’t sound ...

Helicopter rotor systems are central to both civil and military applications, yet they continue to face challenges associated with vibration and noise. These issues not only affect passenger comfort ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...