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 ...

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

Ascent AeroSystems unveils HELIUS, a rugged, NDAA-compliant, sub-250g coaxial drone for public safety and industrial use.

GE Aerospace recently announced that Bell Textron, Inc. has approved the use of the rotor analysis diagnostic system-next ...

SHENZHEN -- The TD550D coaxial unmanned helicopter system has received its ... and verification across multiple areas, including the rotor system, power system, avionics and flight control.

The Ka-52 "Alligator" was designed as Russia’s answer to the Apache, boasting coaxial rotors, advanced targeting ... including the Ka-52M variant, can this helicopter regain its reputation ...

The counter-rotating coaxial rotors balance lift across both sides, eliminating the problem at the root. Also, traditional helicopters need a tail rotor to counteract the torque of the main rotor ...