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Hawker Fury
The Hawker Fury, flown as the Hawker Hornet prototype, was a British biplane interceptor fighter of the 1930s, the first RAF fighter to exceed 200 mph.
Hawker Hart
The Hawker Hart was a British two-seat biplane light bomber designed by Sydney Camm that entered RAF service in 1930 and was faster than most contemporary fighters.
Hawker Hunter
The Hawker Hunter is a British transonic jet fighter designed by Hawker Aircraft, first flown in 1951, which served as the Royal Air Force's main fighter in the late 1950s.
Hawker Hurricane
The Hawker Hurricane was a British single-seat monoplane fighter designed by Sydney Camm, which with the Spitfire formed the RAF's main fighter force in the Battle of Britain.
Hawker Sea Fury
The Hawker Sea Fury was a British carrier-borne fighter-bomber built by Hawker Aircraft, the Royal Navy's last piston-engine fighter and one of the fastest ever built.
Hawker Sea Hawk
The Hawker Sea Hawk was a British single-seat, carrier-based jet fighter-bomber built around the Rolls-Royce Nene, the Fleet Air Arm's main fighter of the late 1950s.
Hawker Siddeley
Hawker Siddeley was a British industrial group built around aircraft manufacturing, formed in 1935 and nationalised in 1977; it produced the Hurricane, Harrier, and Trident airliners.
Hawker Siddeley Harrier
The Hawker Siddeley Harrier is a British jet attack aircraft and the world's first operational vertical take-off and landing combat aircraft, entering RAF service in 1969.
Hawker Siddeley HS 748
The Hawker Siddeley HS 748 is a British twin-turboprop regional airliner, designed by Avro as a DC-3 replacement and built from 1960 to 1988, with 381 produced in the UK and India.
Hawker Siddeley Nimrod
The Hawker Siddeley Nimrod, also known as the BAe Nimrod, was a British maritime patrol aircraft of the Royal Air Force, serving from 1969 to 2011.
Hawker Siddeley P.1127
The Hawker Siddeley P.1127, known in developed form as the Hawker Kestrel, was a British experimental V/STOL strike aircraft first flown in 1960 that led directly to the Harrier.
Hawker Siddeley Trident
The Hawker Siddeley Trident, originally the de Havilland D.H.121, was a British three-engine, medium-range jet airliner with rear-mounted engines and a T-tail, built for BEA and the first airliner to land passengers automatically in scheduled service.
Hawker Tempest
The Hawker Tempest was a British single-seat fighter of the Second World War, developed from the Typhoon by Hawker Aircraft and entering RAF service in 1944.
Hawker Typhoon
The Hawker Typhoon was a British single-seat fighter of the Second World War, conceived as a Hurricane successor but becoming the RAF's principal rocket-armed fighter-bomber from 1943 to 1945.
HawkEye 360
HawkEye 360 is an American signals intelligence company in Herndon, Virginia, founded in 2015, that geolocates radio frequency emissions using a low Earth orbit satellite constellation.
Hawqa Oil and Gas Field
Hawqa Oil and Gas Field is an onshore oil and gas field in central Oman, discovered by Petroleum Development Oman in 1989 and producing since 1997.
Hawtah-Hawtah stabilizer Oil Pipeline
The Hawtah-Hawtah stabilizer Oil Pipeline is a Saudi Aramco crude oil pipeline, opened in 1997, running about 331 km from the Hawtah field to the Hawtah stabilizer.
Hawthorne Army Depot
Hawthorne Army Depot is a US Army ammunition storage and demilitarization installation near Hawthorne, Nevada, commissioned by the Navy in 1930 and now the world's largest ammunition storage depot.
Hayabusa (はやぶさ)
Hayabusa, originally designated MUSES-C, was a JAXA asteroid probe launched in 2003 that returned the first asteroid surface sample, from 25143 Itokawa, to Earth in 2010.
Hayabusa2 (はやぶさ2)
Hayabusa2 (はやぶさ2) is a Japanese asteroid sample return mission led by JAXA that collected 5.4 grams from the C-type asteroid Ryugu and returned it to Earth in December 2020.
Hayes substation fire
The Hayes substation fire broke out on 20 March 2025 at the North Hyde substation in Hayes, west London, cutting power to over 70,000 customers and closing Heathrow Airport.
Haynes power station
Haynes power station, also called Haynes Generating Station, is a natural gas-fired power plant in Long Beach, California, owned by the Los Angeles Department of Water and Power.
Haystack (framework)
Haystack is an open-source Python framework maintained by deepset for building production applications with large language models, including RAG systems, semantic search, multimodal applications, and autonomous agents.
Hazara Rama Temple
The Hazara Rama Temple, also called the Ramachandra temple, is a fifteenth-century Hindu temple in Hampi, Karnataka, that served as the private temple of the Vijayanagara kings.
Hazard (computer architecture)
A hazard, or pipeline hazard, is a condition in a pipelined processor that prevents the next instruction from executing on schedule, resolved by stalls, forwarding, or prediction.
Hazard analysis
Hazard analysis is a safety engineering method for identifying, evaluating, and mitigating hazards in systems, processes, and software, using techniques including HAZOP, FMEA, fault tree analysis, and STPA.
Hazard analysis and critical control points
Hazard analysis and critical control points (HACCP) is a preventive food safety method that identifies hazards and defines critical control steps in food production, replacing end-product inspection.
Hazard area
A hazard area is a place where a physical or chemical agent could harm people, property, animals, plants, or natural resources, defined by the spatial reach of a potential effect.
Hazard mapping
Hazard mapping, also known as flood hazard mapping, is a risk assessment method that maps the likelihood and severity of hazards such as floods, earthquakes, and landslides.
Hazard perception test
The hazard perception test is a computer-based assessment used in driver licensing in the United Kingdom and Australia that measures how quickly a candidate responds to dangerous traffic scenes.