[11], In January 2017 the first X-47B departed NAS Patuxent River, Md. Particular difficulties were being experienced due to inadequate cooling in the closely packed avionics compartment.
The about-turn follows a top-level review and restructuring of the now-defunct unmanned carrier-launched airborne surveillance and strike (UCLASS) project, with the service's latest budget instead funding the MQ-25 Stingray CBARS, or carrier-based aerial refuelling system. ", "Military Contractor Agrees To Pay $325 Million To Settle Whistle-Blower Lawsuit. Group I aircraft replaced the E-2's older APS-125 radar and T56-A-425 turboprops with their successors, the APS-139 radar system and T56-A-427 turboprops. The cabin can readily accommodate cargo, passengers or both. [55] In February 2008 the U.S. Air Force chose KC-30,[56] but in September 2008 the Defense Department stopped the tanker program and in March 2010, Northrop Grumman announced it was withdrawing from the competition. On Feb. 4, 2011, Northrop Grumman and the U.S. Navy conducted the successful first flight of the X-47B, the first carrier-capable unmanned aircraft developed for the Navy’s Unmanned Combat Air System Carrier Demonstration (UCAS-D) program. In the mid-1980s, several U.S. Navy E-2Cs were made available to the U.S. Coast Guard and the U.S. Customs Service for counter-narcotics (CN) and maritime interdiction operations (MIO). Priority cargo such as jet engines can be transported from shore to ship in a matter of hours. The Japan Air Self-Defense Force bought thirteen E-2C aircraft to improve its early warning capabilities. The US Army uses Northrop Grumman's RQ-5 Hunter unmanned air vehicle, which has been in operational use since 1995. ", CS1 maint: BOT: original-url status unknown (, AN/AAQ-37 electro-optical Distributed Aperture System (DAS), Multi-Platform Radar Technology Insertion Program, Chief of Staff of the United States Air Force, United States Environmental Protection Agency, Integrated Air and Missile Battle Command System (IBCS), Director, Operational Test and Evaluation, International Traffic in Arms Regulations, Top 100 contractors of the U.S. federal government, http://investor.northropgrumman.com/node/35781/html, "Northrop Grumman 2017 Annual Report (Form 10-K)", SIPRI Top 100 Arms-Producing and Military Services Companies, "Northrop Grumman Rises 10 Spots on DiversityInc's 2011 Top 50 Companies for Diversity List (NYSE:NOC)", "Fortune 500 Companies 2018: Who Made the List", https://www.northropgrumman.com/MediaResources/Pages/CollierTrophy.aspx, Northrop launches new divisions focused on space, cyber, unmanned tech, "Acquisition of Orbital ATK approved, company renamed Northrop Grumman Innovation Systems", "About Us, Business sectors: Aerospace Systems", Northrop Grumman delivers first shipset for Australian Growler, https://www.northropgrumman.com/Capabilities/F35Lightning/Pages/default.aspx, https://www.northropgrumman.com/MediaResources/MediaKits/Space/Portfolio.aspx, "2010 CENSUS - CENSUS TRACT REFERENCE MAP: Fairfax County, VA", "Virginia Taps Northrop Grumman for $2 Billion IT Overhaul", "Britain Issues $1.2B E-3D AWACS Support Contract", "Archive: The "Invisible" U.S. War in Colombia. In 1956, the U.S. Navy developed a requirement for an airborne early warning aircraft where its data could be integrated into the Naval Tactical Data System aboard the Navy's ships, with a design from Grumman being selected to meet this requirement in March 1957. 108 on the 2020 Fortune 500 list of America's largest corporations. With 90,000 employees[4] and an annual revenue in excess of $30 billion, it is one of the world's largest weapons manufacturers and military technology providers.
[citation needed], The Technology Services sector headquartered in McNair, Virginia (with a Herndon mailing address[17]), works on "the entire life cycle of civil and defense platforms and capabilities through a range of services". This carries the E-2's primary antennas for its long-range radar and IFF systems.
[17], The APY-9 radar has been suspected of being capable of detecting fighter-sized stealth aircraft, which are typically optimized against high frequencies like Ka, Ku, X, C, and parts of the S-bands. [66], In January 2008, Northrop Grumman combined its Newport News and Ship Systems sectors into a new business unit named Northrop Grumman Shipbuilding. [23], The two X-47B demonstrators were initially planned to have a three-year test program with 50 tests at Edwards AFB and NAS Patuxent River, Maryland, culminating in sea trials in 2013. Pressure pulsations can be controlled using commercially available devices that can be installed in the outlet circuit. [14], In 1998, a merger between Northrop Grumman and competitor Lockheed Martin was considered but abandoned after resistance from the Department of Defense and Department of Justice. ", "Feds probe Northrop in defense fraud case. The fleet of US Navy C-2As are currently being outfitted with the same NP2000 eight-blade propellers that are also being used on the E-2 Hawkeye fleet. ", "McDonnell: Some data may be lost as a result of computer outage", "Congress and the Administration Must Reassess Failing Missile Defense Programs", "Army falls behind with new anti-missile command system", Consent Agreement, 2008: Northrop Grumman Corporation, "Air Force One Guidance Systems Allegedly Sent to Russia.". Using hydraulic resonance analysis, Eaton helped Northrop Grumman size and place an attenuator to reduce pressure pulsations on the X-47B iron bird test rig. [25] Thereafter, the Navy decided to use the aircraft to demonstrate carrier launches and recoveries, as well as autonomous inflight refueling with a probe and drogue. Northrop Grumman has been the vanguard of aerospace innovation for nearly 75 years. The E-2D includes provisions for the copilot to act as a "Tactical 4th Operator" (T4O), who can reconfigure his main cockpit display to show radar, IFF, and Link 16 (JTIDS)/CEC, and access all acquired data.
The most commonly used device in high-pressure hydraulic applications is an attenuator, which can modify overall system compliance with the addition of volume. [109] In the same year, Northrop Grumman agreed to pay $33,214 after EPA inspectors found hazardous waste violations at the Capistrano test site. [130], U.S. State Department investigators found that Litton Industries, a subsidiary acquired by Northrop Grumman in 2000, had provided portions of source code used by guidance and navigation system interfaces aboard Air Force One to a company in Russia in 1998. [61][62], On July 20, 2007, Northrop Grumman became the sole owner of Burt Rutan's Scaled Composites. ", "X-47B conducts night flight, named Collier Trophy winner", "Historic day: Carrier-based drone flies with manned aircraft", "Unmanned jet completes successful week at sea", http://navalaviationnews.navylive.dodlive.mil/2015/07/29/x-47b-passes-unmanned-refueling-test/, "X-47B Demonstrates Unmanned Aerial Refueling for the First Time", http://airsoc.com/articles/view/id/56bcf99631394482168b4567/uclass-reborn-as-us-navy-spy-tanker, "US Navy funds additional X-47B development", "Scharre: Protect the X-47B to safeguard innovation", "SECNAV Mabus: X-47B Tests Should Continue Without Giving UCLASS Advantage to Northrop Grumman", http://www.navair.navy.mil/index.cfm?fuseaction=home.NAVAIRNewsStory&id=6472, http://aviationweek.com/defense/modified-x-47b-breaks-cover-testbed-mq-25-bid, "Northrop Grumman pulls out of MQ-25 competition", "X-47B Program Honored with Laureate Award", "Navy's X-47B program receives aviation honor", "US Navy begins unmanned refuelling trials", "X-47B Unmanned Aerial Refueling Demo Victim of Cuts", "I Am Warplane: How the first autonomous strike plane will land on aircraft carriers, navigate hostile airspace and change the future of flight", "X-47B stealth drone targets new frontiers", https://en.wikipedia.org/w/index.php?title=Northrop_Grumman_X-47B&oldid=983964286, 2010s United States experimental aircraft, Unmanned military aircraft of the United States, Articles with dead external links from March 2018, Articles with permanently dead external links, Articles lacking reliable references from June 2016, Articles with dead external links from February 2018, Articles containing potentially dated statements from 2015, All articles containing potentially dated statements, Articles with unsourced statements from October 2020, Creative Commons Attribution-ShareAlike License, 2 weapon bays, providing for up to 4,500 lb (2,000 kg) of ordnance, Provisions for EO/IR/SAR/ISAR/GMTI/MMTI/ESM, This page was last edited on 17 October 2020, at 09:45.
The first Group I aircraft entered service in August 1981. From Active Duty Air Force to Northrop Grumman Program Manag... Meet Diana: Defining Possible One F-35 Fighter Jet at a Time. Please enter another search term. [58], In March 2014, the X-47B won the 57th Annual Laureate Award for "extraordinary achievements" in aeronautics and propulsion hosted by Aviation Week. [127][128] In 2010 Northrop Grumman apologized for the outage, and agreed to fund an investigation. Eaton supplies three engine-driven hydraulic pumps for the X-47B. The aircraft first flew in cruise configuration with its landing gear retracted on 30 September 2011. [27], In May 2012, AV-1 began high-intensity electromagnetic interference testing at Patuxent River, to test its compatibility with planned electronic warfare systems.
All test objectives were met in the demonstration. We encourage you to use one of these browsers for the best experience. “We were able to tune the system so the resolution frequencies were not in areas where they were going to dwell for long periods of time,” said Bhansali. All Group II aircraft had their 1960s vintage computer processors replaced by a mission computer with the same functionality via modern computer technology, referred to as the GrIIM RePr (Group II Mission Computer Replacement Program, pronounced "grim reaper"). [20][21] [33] On 4 May 2013, the demonstrator successfully performed an arrested landing on a simulated carrier deck at Patuxent River. Developed by the American defense technology company Northrop Grumman, the X-47 project began as part of DARPA's J-UCAS program, and subsequently became part of the United States Navy's Unmanned Combat Air System Demonstration (UCAS-D) program. [11] The remaining Hawkeye Group II NAV Upgrade aircraft received GPS approach capability, but did not get the solid-state glass displays. The unmanned aircraft was first developed as part of the X-47 programme.
[11], In January 2017 the first X-47B departed NAS Patuxent River, Md. Particular difficulties were being experienced due to inadequate cooling in the closely packed avionics compartment.
The about-turn follows a top-level review and restructuring of the now-defunct unmanned carrier-launched airborne surveillance and strike (UCLASS) project, with the service's latest budget instead funding the MQ-25 Stingray CBARS, or carrier-based aerial refuelling system. ", "Military Contractor Agrees To Pay $325 Million To Settle Whistle-Blower Lawsuit. Group I aircraft replaced the E-2's older APS-125 radar and T56-A-425 turboprops with their successors, the APS-139 radar system and T56-A-427 turboprops. The cabin can readily accommodate cargo, passengers or both. [55] In February 2008 the U.S. Air Force chose KC-30,[56] but in September 2008 the Defense Department stopped the tanker program and in March 2010, Northrop Grumman announced it was withdrawing from the competition. On Feb. 4, 2011, Northrop Grumman and the U.S. Navy conducted the successful first flight of the X-47B, the first carrier-capable unmanned aircraft developed for the Navy’s Unmanned Combat Air System Carrier Demonstration (UCAS-D) program. In the mid-1980s, several U.S. Navy E-2Cs were made available to the U.S. Coast Guard and the U.S. Customs Service for counter-narcotics (CN) and maritime interdiction operations (MIO). Priority cargo such as jet engines can be transported from shore to ship in a matter of hours. The Japan Air Self-Defense Force bought thirteen E-2C aircraft to improve its early warning capabilities. The US Army uses Northrop Grumman's RQ-5 Hunter unmanned air vehicle, which has been in operational use since 1995. ", CS1 maint: BOT: original-url status unknown (, AN/AAQ-37 electro-optical Distributed Aperture System (DAS), Multi-Platform Radar Technology Insertion Program, Chief of Staff of the United States Air Force, United States Environmental Protection Agency, Integrated Air and Missile Battle Command System (IBCS), Director, Operational Test and Evaluation, International Traffic in Arms Regulations, Top 100 contractors of the U.S. federal government, http://investor.northropgrumman.com/node/35781/html, "Northrop Grumman 2017 Annual Report (Form 10-K)", SIPRI Top 100 Arms-Producing and Military Services Companies, "Northrop Grumman Rises 10 Spots on DiversityInc's 2011 Top 50 Companies for Diversity List (NYSE:NOC)", "Fortune 500 Companies 2018: Who Made the List", https://www.northropgrumman.com/MediaResources/Pages/CollierTrophy.aspx, Northrop launches new divisions focused on space, cyber, unmanned tech, "Acquisition of Orbital ATK approved, company renamed Northrop Grumman Innovation Systems", "About Us, Business sectors: Aerospace Systems", Northrop Grumman delivers first shipset for Australian Growler, https://www.northropgrumman.com/Capabilities/F35Lightning/Pages/default.aspx, https://www.northropgrumman.com/MediaResources/MediaKits/Space/Portfolio.aspx, "2010 CENSUS - CENSUS TRACT REFERENCE MAP: Fairfax County, VA", "Virginia Taps Northrop Grumman for $2 Billion IT Overhaul", "Britain Issues $1.2B E-3D AWACS Support Contract", "Archive: The "Invisible" U.S. War in Colombia. In 1956, the U.S. Navy developed a requirement for an airborne early warning aircraft where its data could be integrated into the Naval Tactical Data System aboard the Navy's ships, with a design from Grumman being selected to meet this requirement in March 1957. 108 on the 2020 Fortune 500 list of America's largest corporations. With 90,000 employees[4] and an annual revenue in excess of $30 billion, it is one of the world's largest weapons manufacturers and military technology providers.
[citation needed], The Technology Services sector headquartered in McNair, Virginia (with a Herndon mailing address[17]), works on "the entire life cycle of civil and defense platforms and capabilities through a range of services". This carries the E-2's primary antennas for its long-range radar and IFF systems.
[17], The APY-9 radar has been suspected of being capable of detecting fighter-sized stealth aircraft, which are typically optimized against high frequencies like Ka, Ku, X, C, and parts of the S-bands. [66], In January 2008, Northrop Grumman combined its Newport News and Ship Systems sectors into a new business unit named Northrop Grumman Shipbuilding. [23], The two X-47B demonstrators were initially planned to have a three-year test program with 50 tests at Edwards AFB and NAS Patuxent River, Maryland, culminating in sea trials in 2013. Pressure pulsations can be controlled using commercially available devices that can be installed in the outlet circuit. [14], In 1998, a merger between Northrop Grumman and competitor Lockheed Martin was considered but abandoned after resistance from the Department of Defense and Department of Justice. ", "Feds probe Northrop in defense fraud case. The fleet of US Navy C-2As are currently being outfitted with the same NP2000 eight-blade propellers that are also being used on the E-2 Hawkeye fleet. ", "McDonnell: Some data may be lost as a result of computer outage", "Congress and the Administration Must Reassess Failing Missile Defense Programs", "Army falls behind with new anti-missile command system", Consent Agreement, 2008: Northrop Grumman Corporation, "Air Force One Guidance Systems Allegedly Sent to Russia.". Using hydraulic resonance analysis, Eaton helped Northrop Grumman size and place an attenuator to reduce pressure pulsations on the X-47B iron bird test rig. [25] Thereafter, the Navy decided to use the aircraft to demonstrate carrier launches and recoveries, as well as autonomous inflight refueling with a probe and drogue. Northrop Grumman has been the vanguard of aerospace innovation for nearly 75 years. The E-2D includes provisions for the copilot to act as a "Tactical 4th Operator" (T4O), who can reconfigure his main cockpit display to show radar, IFF, and Link 16 (JTIDS)/CEC, and access all acquired data.
The most commonly used device in high-pressure hydraulic applications is an attenuator, which can modify overall system compliance with the addition of volume. [109] In the same year, Northrop Grumman agreed to pay $33,214 after EPA inspectors found hazardous waste violations at the Capistrano test site. [130], U.S. State Department investigators found that Litton Industries, a subsidiary acquired by Northrop Grumman in 2000, had provided portions of source code used by guidance and navigation system interfaces aboard Air Force One to a company in Russia in 1998. [61][62], On July 20, 2007, Northrop Grumman became the sole owner of Burt Rutan's Scaled Composites. ", "X-47B conducts night flight, named Collier Trophy winner", "Historic day: Carrier-based drone flies with manned aircraft", "Unmanned jet completes successful week at sea", http://navalaviationnews.navylive.dodlive.mil/2015/07/29/x-47b-passes-unmanned-refueling-test/, "X-47B Demonstrates Unmanned Aerial Refueling for the First Time", http://airsoc.com/articles/view/id/56bcf99631394482168b4567/uclass-reborn-as-us-navy-spy-tanker, "US Navy funds additional X-47B development", "Scharre: Protect the X-47B to safeguard innovation", "SECNAV Mabus: X-47B Tests Should Continue Without Giving UCLASS Advantage to Northrop Grumman", http://www.navair.navy.mil/index.cfm?fuseaction=home.NAVAIRNewsStory&id=6472, http://aviationweek.com/defense/modified-x-47b-breaks-cover-testbed-mq-25-bid, "Northrop Grumman pulls out of MQ-25 competition", "X-47B Program Honored with Laureate Award", "Navy's X-47B program receives aviation honor", "US Navy begins unmanned refuelling trials", "X-47B Unmanned Aerial Refueling Demo Victim of Cuts", "I Am Warplane: How the first autonomous strike plane will land on aircraft carriers, navigate hostile airspace and change the future of flight", "X-47B stealth drone targets new frontiers", https://en.wikipedia.org/w/index.php?title=Northrop_Grumman_X-47B&oldid=983964286, 2010s United States experimental aircraft, Unmanned military aircraft of the United States, Articles with dead external links from March 2018, Articles with permanently dead external links, Articles lacking reliable references from June 2016, Articles with dead external links from February 2018, Articles containing potentially dated statements from 2015, All articles containing potentially dated statements, Articles with unsourced statements from October 2020, Creative Commons Attribution-ShareAlike License, 2 weapon bays, providing for up to 4,500 lb (2,000 kg) of ordnance, Provisions for EO/IR/SAR/ISAR/GMTI/MMTI/ESM, This page was last edited on 17 October 2020, at 09:45.
The first Group I aircraft entered service in August 1981. From Active Duty Air Force to Northrop Grumman Program Manag... Meet Diana: Defining Possible One F-35 Fighter Jet at a Time. Please enter another search term. [58], In March 2014, the X-47B won the 57th Annual Laureate Award for "extraordinary achievements" in aeronautics and propulsion hosted by Aviation Week. [127][128] In 2010 Northrop Grumman apologized for the outage, and agreed to fund an investigation. Eaton supplies three engine-driven hydraulic pumps for the X-47B. The aircraft first flew in cruise configuration with its landing gear retracted on 30 September 2011. [27], In May 2012, AV-1 began high-intensity electromagnetic interference testing at Patuxent River, to test its compatibility with planned electronic warfare systems.
All test objectives were met in the demonstration. We encourage you to use one of these browsers for the best experience. “We were able to tune the system so the resolution frequencies were not in areas where they were going to dwell for long periods of time,” said Bhansali. All Group II aircraft had their 1960s vintage computer processors replaced by a mission computer with the same functionality via modern computer technology, referred to as the GrIIM RePr (Group II Mission Computer Replacement Program, pronounced "grim reaper"). [20][21] [33] On 4 May 2013, the demonstrator successfully performed an arrested landing on a simulated carrier deck at Patuxent River. Developed by the American defense technology company Northrop Grumman, the X-47 project began as part of DARPA's J-UCAS program, and subsequently became part of the United States Navy's Unmanned Combat Air System Demonstration (UCAS-D) program. [11] The remaining Hawkeye Group II NAV Upgrade aircraft received GPS approach capability, but did not get the solid-state glass displays. The unmanned aircraft was first developed as part of the X-47 programme.
[vc_row css=".vc_custom_1522215636001{padding-top: 50px !important;}"][vc_column][vc_column_text] PARTIES BY DYLAN & COMPANY OUR BIGGEST FANS ARE UNDER FIVE! [/vc_column_text][vc_separator color="custom" el_width="30" accent_color="#4a2f92"][/vc_column][/vc_row][vc_row][vc_column][vc_column_text el_class="sep-reduce"]
[12] Design considerations for a naval UCAV included dealing with the corrosive saltwater environment, deck handling for launch and recovery, integration with command and control systems, and operation in an aircraft carrier's high-electromagnetic-interference environment. [117], The company engages third-party lobbying firms in jurisdictions where it has interests. [8], Northrop Grumman and its industry partners have won the Collier Trophy eight times, most recently for developing the X-47B, the first unmanned, autonomous air system to operate from an aircraft carrier. Northrop Grumman E-2 Hawkeye The Grumman C-2 Greyhoundis a twin-engined, high-wingcargo aircraft, designed to carry supplies, mail, and passengers to and from aircraft carriersof the United States Navy. ", "Military Contractor Agrees to Pay $325 Million to Settle Whistle-Blower Lawsuit", "Scientist blew whistle on faulty military satellite parts; Northrop Grumman pays $325 million to settle case. All Rights Reserved. Improvements in the new and upgraded aircraft were concentrated in the radar and computer performance.
[11], In January 2017 the first X-47B departed NAS Patuxent River, Md. Particular difficulties were being experienced due to inadequate cooling in the closely packed avionics compartment.
The about-turn follows a top-level review and restructuring of the now-defunct unmanned carrier-launched airborne surveillance and strike (UCLASS) project, with the service's latest budget instead funding the MQ-25 Stingray CBARS, or carrier-based aerial refuelling system. ", "Military Contractor Agrees To Pay $325 Million To Settle Whistle-Blower Lawsuit. Group I aircraft replaced the E-2's older APS-125 radar and T56-A-425 turboprops with their successors, the APS-139 radar system and T56-A-427 turboprops. The cabin can readily accommodate cargo, passengers or both. [55] In February 2008 the U.S. Air Force chose KC-30,[56] but in September 2008 the Defense Department stopped the tanker program and in March 2010, Northrop Grumman announced it was withdrawing from the competition. On Feb. 4, 2011, Northrop Grumman and the U.S. Navy conducted the successful first flight of the X-47B, the first carrier-capable unmanned aircraft developed for the Navy’s Unmanned Combat Air System Carrier Demonstration (UCAS-D) program. In the mid-1980s, several U.S. Navy E-2Cs were made available to the U.S. Coast Guard and the U.S. Customs Service for counter-narcotics (CN) and maritime interdiction operations (MIO). Priority cargo such as jet engines can be transported from shore to ship in a matter of hours. The Japan Air Self-Defense Force bought thirteen E-2C aircraft to improve its early warning capabilities. The US Army uses Northrop Grumman's RQ-5 Hunter unmanned air vehicle, which has been in operational use since 1995. ", CS1 maint: BOT: original-url status unknown (, AN/AAQ-37 electro-optical Distributed Aperture System (DAS), Multi-Platform Radar Technology Insertion Program, Chief of Staff of the United States Air Force, United States Environmental Protection Agency, Integrated Air and Missile Battle Command System (IBCS), Director, Operational Test and Evaluation, International Traffic in Arms Regulations, Top 100 contractors of the U.S. federal government, http://investor.northropgrumman.com/node/35781/html, "Northrop Grumman 2017 Annual Report (Form 10-K)", SIPRI Top 100 Arms-Producing and Military Services Companies, "Northrop Grumman Rises 10 Spots on DiversityInc's 2011 Top 50 Companies for Diversity List (NYSE:NOC)", "Fortune 500 Companies 2018: Who Made the List", https://www.northropgrumman.com/MediaResources/Pages/CollierTrophy.aspx, Northrop launches new divisions focused on space, cyber, unmanned tech, "Acquisition of Orbital ATK approved, company renamed Northrop Grumman Innovation Systems", "About Us, Business sectors: Aerospace Systems", Northrop Grumman delivers first shipset for Australian Growler, https://www.northropgrumman.com/Capabilities/F35Lightning/Pages/default.aspx, https://www.northropgrumman.com/MediaResources/MediaKits/Space/Portfolio.aspx, "2010 CENSUS - CENSUS TRACT REFERENCE MAP: Fairfax County, VA", "Virginia Taps Northrop Grumman for $2 Billion IT Overhaul", "Britain Issues $1.2B E-3D AWACS Support Contract", "Archive: The "Invisible" U.S. War in Colombia. In 1956, the U.S. Navy developed a requirement for an airborne early warning aircraft where its data could be integrated into the Naval Tactical Data System aboard the Navy's ships, with a design from Grumman being selected to meet this requirement in March 1957. 108 on the 2020 Fortune 500 list of America's largest corporations. With 90,000 employees[4] and an annual revenue in excess of $30 billion, it is one of the world's largest weapons manufacturers and military technology providers.
[citation needed], The Technology Services sector headquartered in McNair, Virginia (with a Herndon mailing address[17]), works on "the entire life cycle of civil and defense platforms and capabilities through a range of services". This carries the E-2's primary antennas for its long-range radar and IFF systems.
[17], The APY-9 radar has been suspected of being capable of detecting fighter-sized stealth aircraft, which are typically optimized against high frequencies like Ka, Ku, X, C, and parts of the S-bands. [66], In January 2008, Northrop Grumman combined its Newport News and Ship Systems sectors into a new business unit named Northrop Grumman Shipbuilding. [23], The two X-47B demonstrators were initially planned to have a three-year test program with 50 tests at Edwards AFB and NAS Patuxent River, Maryland, culminating in sea trials in 2013. Pressure pulsations can be controlled using commercially available devices that can be installed in the outlet circuit. [14], In 1998, a merger between Northrop Grumman and competitor Lockheed Martin was considered but abandoned after resistance from the Department of Defense and Department of Justice. ", "Feds probe Northrop in defense fraud case. The fleet of US Navy C-2As are currently being outfitted with the same NP2000 eight-blade propellers that are also being used on the E-2 Hawkeye fleet. ", "McDonnell: Some data may be lost as a result of computer outage", "Congress and the Administration Must Reassess Failing Missile Defense Programs", "Army falls behind with new anti-missile command system", Consent Agreement, 2008: Northrop Grumman Corporation, "Air Force One Guidance Systems Allegedly Sent to Russia.". Using hydraulic resonance analysis, Eaton helped Northrop Grumman size and place an attenuator to reduce pressure pulsations on the X-47B iron bird test rig. [25] Thereafter, the Navy decided to use the aircraft to demonstrate carrier launches and recoveries, as well as autonomous inflight refueling with a probe and drogue. Northrop Grumman has been the vanguard of aerospace innovation for nearly 75 years. The E-2D includes provisions for the copilot to act as a "Tactical 4th Operator" (T4O), who can reconfigure his main cockpit display to show radar, IFF, and Link 16 (JTIDS)/CEC, and access all acquired data.
The most commonly used device in high-pressure hydraulic applications is an attenuator, which can modify overall system compliance with the addition of volume. [109] In the same year, Northrop Grumman agreed to pay $33,214 after EPA inspectors found hazardous waste violations at the Capistrano test site. [130], U.S. State Department investigators found that Litton Industries, a subsidiary acquired by Northrop Grumman in 2000, had provided portions of source code used by guidance and navigation system interfaces aboard Air Force One to a company in Russia in 1998. [61][62], On July 20, 2007, Northrop Grumman became the sole owner of Burt Rutan's Scaled Composites. ", "X-47B conducts night flight, named Collier Trophy winner", "Historic day: Carrier-based drone flies with manned aircraft", "Unmanned jet completes successful week at sea", http://navalaviationnews.navylive.dodlive.mil/2015/07/29/x-47b-passes-unmanned-refueling-test/, "X-47B Demonstrates Unmanned Aerial Refueling for the First Time", http://airsoc.com/articles/view/id/56bcf99631394482168b4567/uclass-reborn-as-us-navy-spy-tanker, "US Navy funds additional X-47B development", "Scharre: Protect the X-47B to safeguard innovation", "SECNAV Mabus: X-47B Tests Should Continue Without Giving UCLASS Advantage to Northrop Grumman", http://www.navair.navy.mil/index.cfm?fuseaction=home.NAVAIRNewsStory&id=6472, http://aviationweek.com/defense/modified-x-47b-breaks-cover-testbed-mq-25-bid, "Northrop Grumman pulls out of MQ-25 competition", "X-47B Program Honored with Laureate Award", "Navy's X-47B program receives aviation honor", "US Navy begins unmanned refuelling trials", "X-47B Unmanned Aerial Refueling Demo Victim of Cuts", "I Am Warplane: How the first autonomous strike plane will land on aircraft carriers, navigate hostile airspace and change the future of flight", "X-47B stealth drone targets new frontiers", https://en.wikipedia.org/w/index.php?title=Northrop_Grumman_X-47B&oldid=983964286, 2010s United States experimental aircraft, Unmanned military aircraft of the United States, Articles with dead external links from March 2018, Articles with permanently dead external links, Articles lacking reliable references from June 2016, Articles with dead external links from February 2018, Articles containing potentially dated statements from 2015, All articles containing potentially dated statements, Articles with unsourced statements from October 2020, Creative Commons Attribution-ShareAlike License, 2 weapon bays, providing for up to 4,500 lb (2,000 kg) of ordnance, Provisions for EO/IR/SAR/ISAR/GMTI/MMTI/ESM, This page was last edited on 17 October 2020, at 09:45.
The first Group I aircraft entered service in August 1981. From Active Duty Air Force to Northrop Grumman Program Manag... Meet Diana: Defining Possible One F-35 Fighter Jet at a Time. Please enter another search term. [58], In March 2014, the X-47B won the 57th Annual Laureate Award for "extraordinary achievements" in aeronautics and propulsion hosted by Aviation Week. [127][128] In 2010 Northrop Grumman apologized for the outage, and agreed to fund an investigation. Eaton supplies three engine-driven hydraulic pumps for the X-47B. The aircraft first flew in cruise configuration with its landing gear retracted on 30 September 2011. [27], In May 2012, AV-1 began high-intensity electromagnetic interference testing at Patuxent River, to test its compatibility with planned electronic warfare systems.
All test objectives were met in the demonstration. We encourage you to use one of these browsers for the best experience. “We were able to tune the system so the resolution frequencies were not in areas where they were going to dwell for long periods of time,” said Bhansali. All Group II aircraft had their 1960s vintage computer processors replaced by a mission computer with the same functionality via modern computer technology, referred to as the GrIIM RePr (Group II Mission Computer Replacement Program, pronounced "grim reaper"). [20][21] [33] On 4 May 2013, the demonstrator successfully performed an arrested landing on a simulated carrier deck at Patuxent River. Developed by the American defense technology company Northrop Grumman, the X-47 project began as part of DARPA's J-UCAS program, and subsequently became part of the United States Navy's Unmanned Combat Air System Demonstration (UCAS-D) program. [11] The remaining Hawkeye Group II NAV Upgrade aircraft received GPS approach capability, but did not get the solid-state glass displays. The unmanned aircraft was first developed as part of the X-47 programme.
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