The
development of the Scorpion aircraft was commenced in January 2012, with the
objective of producing the most economical jet-powered light attack aircraft in
the world. The
first prototype was unveiled during the Air Force Association Air & Space
Conference and Technology Exposition in September 2013. The first flight was
conducted at the McConnell Air Force Base in Kansas in December 2013.
The Scorpion Intelligence, Surveillance and Reconnaissance (ISR)
/ Strike aircraft is being developed by Textron AirLand, a joint venture
between Textron and AirLand Enterprises.
The aircraft is capable of
performing air defence, irregular warfare, border patrol, maritime security,
disaster relief and counter-drug missions.
The Scorpion aircraft features an all-composite
airframe and structure powered by twin turbofan engines. Its fuselage
integrates a tandem cockpit, retractable sensor package, internal payload bay
and external mounts for precision and non-precision munitions. The
corrosion-resistant airframe offers 20,000 hours of service life.
The aircraft is designed to integrate globally-available
commercial components for reducing the total cost of ownership. The modular
architecture of the aircraft allows for future integration of various sensors
and weapon systems with reduced integration costs.
The internal payload bay is
designed to deliver critical operational flexibility, by quickly accepting new
payloads for different operational requirements. It can house various modules
of sensors, fuel and communications in desirable combination to achieve high
performance during a wide range of missions.
The Scorpion has a length of
13.25m, wing span of 14.42m and height of 4.26m. The standard weight of the
aircraft is 5,352kg. The internal payload bay can accommodate a weight of
1,360kg, while the aircraft can carry a maximum payload of 4,286kg.
Engines and performance of Textron
AirLand's aircraft
The Scorpion is powered by two Honeywell TFE731-40AR-3S turbofan
engines, each developing a thrust of approximately 4,000lbf (18kN).
The engines are controlled by a
digital electronic engine control system. The electrical and hydraulic systems
are powered by the accessories mounted above the engine gearbox. The aircraft
has the capacity to carry a fuel load of 2,721kg. The engines burn Jet-A, JP-5
and JP-8 jet fuels. The aircraft can fly at a maximum speed of 450KTAS. The
certified service ceiling is 45,000ft. The aircraft will have a ferry range of
2,400nmi. It will be able to remain on-station for more than five hours.
Weapon
Systems, Sensors and Radars on the Scorpion Aircraft
The Scorpion ISR / Strike
aircraft can be armed with a range of scaled munitions for indulgent military
and homeland security environments. The aircraft can carry an array of weapons
systems on its external hard points under the wings. Three under-wing hard
points on either side of the fuselage can hold precision guided munitions
(PGMs) and general purpose munitions.
The Scorpion can be integrated
with a variety of sensors, electro-optical / infrared devices and communication
packages to perform various missions.
The aircraft will be offered
with dedicated mission sensor systems, for conducting boarder security,
maritime patrol, irregular warfare support, law enforcement, counter narcotics
and humanitarian assistance / disaster response missions.
Scorpion
Strike / ISR Aircraft Cockpit and Avionics
The Scorpion aircraft
accommodates two pilots in tandem layout. The two cockpits are equipped with
advanced multifunction colour displays, providing the details of flight
characteristics, aircraft operation, navigation and armament data.
The avionics suite integrates
inherent Flight Management System (FMS), Class-B Terrain Awareness and Warning
System (TAWS), engine indication and crew alerting system (EICAS), dual Air
Data, Attitude and Heading Reference Systems (ADAHRS), dual GPS/Satellite Based
Augmentation Systems (SBAS) and integrated moving maps. The nigh-vision
compatible cockpit also offers instrumentation for weather radar control,
display of external video and digital flight data recording.
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