Abstract: In this letter, we present a novel bi-modal bi-copter robot called Skater, which is adaptable to air and various ground surfaces. Skater consists of a bi-copter moving along its longitudinal ...

Abstract: Coaxial bi-copter autonomous aerial vehicles (AAVs) have garnered attention due to their potential for improved rotor system efficiency and compact form factor. However, balancing efficiency ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. This photo combo shows from left, trooper Hunter R ...

Aerotor APUS 60 – the base platform of the Fire Storm 250 – was designed in a collaboration between IAI and Aerotor Unmanned Systems after the two companies signed a memorandum of understanding ...

FLAGSTAFF, Ariz. -- An Arizona Department of Public Safety helicopter crashed in an accident, killing the pilot and a trooper who was on board, after responding to a gun battle between police and a ...

An Arizona Department of Public Safety helicopter went down Wednesday night while it was responding to a shooting, killing both people on board. The helicopter was assisting the Flagstaff Police ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. The helicopter was responding to assist officers ...

A law enforcement helicopter responding to an active shooting incident crashed in Arizona the evening of Feb. 4, killing the pilot and trooper on board, authorities said. The Arizona Department of ...

A pilot and trooper-paramedic for the Arizona Department of Public Safety died in the tragedy in Flagstaff, Ariz., police confirmed Thursday, while video shared online captured the helicopter ...

The Canadian Urban Transit Association (CUTA) celebrated the achievements of its members at the annual CUTA Awards Ceremony on Nov. 15, in Edmonton, Alberta. The ceremony recognized organizations and ...

This article was featured in New York’s One Great Story newsletter. Sign up here. One year ago, on January 29, 2025, two Army pilots strapped into a Black Hawk helicopter for a training mission out of ...

WASHINGTON, Jan 27 (Reuters) - The U.S. National Transportation Safety Board found on Tuesday that a series of systemic failures by the Federal Aviation Administration led to a devastating mid-air ...