NonStop Cyclone

NonStop Cyclone. The NonStop Cyclone is a high-altitude, long-endurance unmanned aerial vehicle designed for persistent atmospheric and Earth observation missions. Developed through a collaboration between AeroVironment and the NASA Jet Propulsion Laboratory, it entered service with the National Oceanic and Atmospheric Administration for hurricane monitoring. The platform represents a significant evolution from earlier systems like the Global Hawk, focusing on extreme weather penetration and multi-day autonomous flight.

Overview

The primary mission of the aircraft is to conduct sustained surveillance of major storm systems, particularly hurricanes in the Atlantic Ocean and Gulf of Mexico. Operated under programs like the NOAA Hurricane Field Program, it works in concert with other assets such as the Lockheed WP-3D Orion and the Gulfstream IV-SP to gather critical data. Its deployment is often coordinated from bases like MacDill Air Force Base and the NASA Armstrong Flight Research Center. The data collected directly supports forecasting models at the National Hurricane Center and research institutions like the University of Miami.

Design and Architecture

The airframe features a high-aspect-ratio wing constructed from advanced carbon composite materials, enabling efficient cruise at altitudes above 60,000 feet. Propulsion is provided by a single, fuel-efficient turbofan engine, similar to those used on the Northrop Grumman RQ-4. Its sensor suite is centered on a sophisticated radar system, the High-Altitude Imaging Wind and Rain Airborne Profiler, developed by the Jet Propulsion Laboratory. The avionics package includes an Inertial navigation system integrated with GPS and satellite communication links for beyond-line-of-sight control from stations like the NOAA Aircraft Operations Center.

Operational History

The vehicle's first major operational deployment occurred during the 2019 Atlantic hurricane season, where it successfully penetrated Hurricane Dorian. It has since been a fixture in monitoring significant events, including Hurricane Laura, Hurricane Ida, and Hurricane Ian. Missions are typically launched from facilities such as Wallops Flight Facility and often involve coordination with the United States Air Force 53rd Weather Reconnaissance Squadron. Data from these flights have contributed to studies published in journals like the Journal of the Atmospheric Sciences and have been utilized by the World Meteorological Organization.

Variants and Upgrades

Two main variants have been developed from the base platform. The Cyclone-R is a signals intelligence configuration operated in partnership with the United States Navy for missions over the Pacific Ocean. The Cyclone-S is a specialized maritime surveillance model equipped with an AESA radar for tracking vessels, used by agencies like the United States Coast Guard. A planned upgrade program, dubbed "Project Chimera," involves integrating a new lidar sensor from Raytheon Technologies and enhanced satellite communication systems through a partnership with Iridium Communications.

Specifications

* **Wingspan:** 115 feet (35 meters) * **Length:** 44 feet (13.4 meters) * **Max Takeoff Weight:** 14,950 lbs (6,780 kg) * **Powerplant:** 1 × Williams International FJ44 turbofan * **Endurance:** 48+ hours * **Service Ceiling:** 65,000 feet (19,800 meters) * **Payload Capacity:** 1,500 lbs (680 kg) * **Primary Sensors:** HIWRAP radar, dropsondes, microwave radiometer

Category:Unmanned aerial vehicles of the United States Category:National Oceanic and Atmospheric Administration aircraft