Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Watch a helicopter fly, and the big spinning top rotor hogs the ...

A mechanical failure, specifically a problem with the main rotor, caused the fatal DPS helicopter crash in Flagstaff, according to a preliminary NTSB report.

Matt Biondich, 54, of Cook and his friend were in the helicopter that spun to the ground Saturday while giving rides during the Cook Timber Days festival. "It happened so quick," Biondich said. "We ...

The DPS helicopter that crashed last month while responding to a police situation in Flagstaff showed "no evidence of ballistic punctures" in a post-accident examination, a new report shows. The ...

LONDON (AP) — A damaged tail rotor was to blame for a helicopter crash that killed the owner of English soccer club Leicester and four others in 2018, an accident inquiry said Wednesday. The Leonardo ...

Ordinarily on a helicopter, the main (top) rotor is mechanically linked to the tail rotor, so the spinning of the former causes the latter to do likewise. An experimental new system replaces the tail ...

FRESNO, Calif. (KFSN) -- The National Transportation Safety Board is investigating a helicopter crash in southeast Fresno on Saturday morning. The NTSB's preliminary information indicates that during ...

PIGEON FORGE, Tenn. (AP) – A preliminary report on a helicopter crash that killed the pilot and four people sightseeing near the Great Smoky Mountains National Park has found indications the tail ...

One of the best things to come from the growing drone industry is the development of compact and powerful brushless motors. We’ve seen several multi-rotors capable of carrying a human, but electric ...