MQ-8 Fire Scout

MQ-8 Fire Scout

infobox Aircraft
name = MQ-8 Fire Scout

caption = An RQ-8A Fire Scout takes off at the Webster Field Annex of Naval Air Station Patuxent River in 2005.
type = UAV
manufacturer = Northrop Grumman
designer =
first flight =
introduction =
retired =
status =
primary user = United States Navy
more users = United States Marine Corps
produced =
number built =
program cost=
unit cost =
developed from = Schweizer 330 and 333
variants with their own articles = Schweizer S-434

The Northrop Grumman MQ-8 Fire Scout is an unmanned, robotic helicopter under systems integration and development in Rancho Bernardo, California for use by the United States armed forces.cite news
title=Autonomous Fire Scout UAV Lands on Ship
publisher=Department of Defense
date=January 24 2006
] Northrop Grumman is developing the Fire Scout to provide the U.S. Navy and Marine Corps with reconnaissance, situational awareness and precision targeting support.

The initial version was designated RQ-8A, and in August 2003, an enhanced version of the Fire Scout, the RQ-8B, was selected as the Class IV UAV for the U.S. Army's Future Combat Systems. This enhanced four-bladed main rotor version of the Fire Scout must meet 8 hour flight duration and 130 lb (60 kg) payload specifications. It is designed to give Intelligence, Surveillance and Reconnaissance (ISR) capability at the brigade level. Due to the aircraft's multi-role capability, it was renamed MQ-8B."Northrop lifts Navy to new era for unmanned flight", "Aerotech News and Review", 2006-12-22]



As the US Navy was withdrawing its RQ-2 Pioneers from service, it began to seek a second generation UAV. The Navy requirement specified a vertical takeoff & landing (VTOL) aircraft, with a payload capacity of 90 kilograms (200 pounds), a range of 200 kilometers (125 miles), an endurance on station of three hours at an altitude of 6 kilometers (20,000 ft), and the ability land on a ship in a 46 km/h (29 mph) breeze. The UAV was to fly 190 hours between maintenance.

There were three finalists in the competition, which was designated "VTOL-UAV" or "VTUAV". Bell Helicopters, Sikorsky, and a collaboration of Teledyne Ryan and Schweizer Aircraft submitted designs. The Ryan-Schweizer UAV was selected as the winner in the spring of 2000. The RQ-8A Fire Scout, as it was named, was a derivative of the Schweizer three-passenger, turbine powered 330SP helicopter, with a new fuselage, new fuel system, and UAV electronics and sensors.

The initial prototype of the Fire Scout was piloted in initial tests, flying autonomously for the first time in January 2000. The Rolls-Royce Allison 250-C20 turbine engine ran on JP-5 and JP-8 jet fuel, which is nonvolatile and safe for shipboard storage.

The Fire Scout was to be fitted with a sensor ball turret that carries electro-optic and infrared cameras, and a laser range finder. It was to be controlled over a data link derived from the Northrop Grumman RQ-4 Global Hawk UAV, operating over a line of sight to a distance of 280 kilometers (172 miles). The control system was to be fitted onto a ship, or could be carried on a Hummer light vehicle for U.S. Marine service.

In January 2006, an RQ-8A Fire Scout landed aboard the U.S. Navy warship USS "Nashville" while it was steaming off the coast of Maryland near the Patuxent River. This marked the first time an unmanned helicopter has landed aboard a moving U.S. Navy ship without a pilot controlling the aircraft. The USS Nashville, which is an amphibious transport ship, was maneuvering as fast as convert|17|mi/h|km/h|abbr=on in the tests.


Although progress on the project had been regarded as satisfactory, the Navy decided the Fire Scout didn't meet their needs after all, and cut funding for production in December 2001. However, the development program continued, and Northrop Grumman pitched a range of improved configurations to anyone who was interested. As it turned out, the U.S. Army was very interested, awarding a contract for seven improved "RQ-8B" evaluation machines in late 2003. In 2006, it was redesignated "MQ-8B".

The MQ-8B features four-blade main rotor, in contrast to the larger-diameter three-blade rotor of the RQ-8A, to reduce noise and improve lift capacity and performance. The four-blade rotor had already been evaluated on Fire Scout prototypes. They boost gross takeoff weight by 500 pounds to 3,150 pounds (by 225 kg to 1,430 kg), with payloads of up to 700 pounds (320 kg) for short-range missions.

The MQ-8B is fitted with stub wings as well. The wings will serve both an aerodynamic purpose as well as an armament carriage location, with weapons to include such as Hellfire missiles, Viper Strike laser-guided glide weapons, and in particular pods carrying the "Advanced Precision Kill Weapon System (APKWS)", a laser-guided 70 millimeter (2.75 inch) folding-fin rocket, which the Army sees as ideal for the modern battlefield. The Army is also interested in using the Fire Scout to carry up to 90 kilograms (200 pounds) of emergency supplies to troops in the field.

The MQ-8B is being modified to permit rapid swapout of payload configurations. The current sensor configuration of a day/night turret with a laser target designator will of course remain an option. Alternate sensor payloads in consideration include a TSAR with Moving Target Indicator (MTI) capability, a multispectral sensor, a SIGINT module, the Target Acquisition Minefield Detection System (ASTAMIDS), and the Tactical Command Data Link (TCDL). The Army wants the Fire Scout to operate as an element of an integrated ground sensor network as well.

Ironically, the Army interest revived Navy interest in the program, with the Navy ordering eight Sea Scout MQ-8B derivatives for evaluation.

Production of the flight test airframes was initiated in April 2006 at the Northrop Grumman Unmanned Systems production plant in Moss Point, Mississippi. First flight of the MQ-8B took place on December 18, 2006 at NAS Patuxent River.

The flight test program is underway and the Navy is expected to approve low-rate initial production. Production aircraft will eventually be to be deployed on the Navy's Littoral Combat Ships.

In February 2008, the U.S. Navy announced that they would integrate the MQ-8B Fire Scout VTUAV onto another air-capable ship before it reaches the Littoral Combat Ship (LCS). The Fire Scout is still slated to go aboard the LCS, and the Navy remains committed to transitioning the Fire Scout in that direction. The Fire Scout is a key enabler for LCS and significantly contributes to its designated warfare mission areas of anti-submarine warfare, surface warfare and mine warfare. The modular nature of the ship to accomplish the designated mission is perfectly complemented by the Fire Scout and its modular mission payload capability. However, due to changes in the LCS development schedule, the Navy intends to conduct the Fire Scout Operational Evaluation (OpEval) aboard a FFG-7, Oliver Hazard Perry class ship. This will provide the fleet with unmanned aerial system support as soon as possible.

According to the current schedule, the Navy will conduct Technical Evaluation on the Fire Scout on the FFG-7 in the fall 2008 and OpEval in the summer 2009. The Fire Scout will reach Initial Operating Capability soon after OpEval in 2009. The Navy will continue to support LCS Initial Operational Test and Evaluation (IOT&E) efforts in fiscal year 2011.


met or eng?=eng
length m=7
length ft=22.87
length in=
span m=
span ft=
span in=
rot number=1
rot dia m=8.4
rot dia ft=27
rot dia in=6
height m=2.9
height ft=9.42
height in=
wing area sqm=
wing area sqft=
rot area sqm=
rot area sqft=
empty weight kg=
empty weight lb=
gross weight kg=1,430
gross weight lb=3,150
eng1 number=
eng1 type=
eng1 kw=
eng1 hp=
max speed kmh=
max speed mph=
cruise speed kmh=
cruise speed mph=125+
range km=
range miles=
endurance h=8
endurance min=
ceiling m=6,100
ceiling ft=20,000
climb rate ms=
climb rate ftmin=

ee also

* Schweizer 330 and 333
* Schweizer S-434
similar aircraft=
* Bell Eagle Eye
* Boeing A160 Hummingbird
* List of active United States military aircraft
see also=


"This article contains material that originally came from the web article [ "Unmanned Aerial Vehicles"] by Greg Goebel, which exists in the Public Domain."

External links

* [ Unmanned copter looks shipshape] San Diego Union Tribune, January 19, 2006
* [ Northrop's page on Fire Scout] (Select "Fire Scout" from the left hand menu.)

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