Sikorsky reported successful flight tests for its 115-pound, battery-powered twin prop-rotor unmanned aircraft.

This article is published in Advanced Air Mobility part of Aviation Week Intelligence Network (AWIN), and is complimentary ...

But Sikorsky built a compound helicopter with a coaxial main rotor system: two four-blade rotors, set one atop the other and rotating in opposite directions so there are advancing blades on both ...

The TD550D coaxial unmanned helicopter system has received its type certificate from the Civil Aviation Administration of China (CAAC), the first of its kind to have obtained such certification in ...

All-new sub-250g Coaxial nano drone fills a durability and ... in realizing that vision," said David Smith, CEO of Robinson Helicopter Company. With an MSRP of $4,499, HELIUS is available for ...

The TD550D coaxial unmanned helicopter system has received its type certificate from the Civil Aviation Administration ...