Police helicopter
Encyclopedia
Fixed-wing aircraft
A fixed-wing aircraft is an aircraft capable of flight using wings that generate lift due to the vehicle's forward airspeed. Fixed-wing aircraft are distinct from rotary-wing aircraft in which wings rotate about a fixed mast and ornithopters in which lift is generated by flapping wings.A powered...
, helicopter
Helicopter
A helicopter is a type of rotorcraft in which lift and thrust are supplied by one or more engine-driven rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forwards, backwards, and laterally...
, powered paraglider, or blimp
Blimp
A blimp, or non-rigid airship, is a floating airship without an internal supporting framework or keel. A non-rigid airship differs from a semi-rigid airship and a rigid airship in that it does not have any rigid structure, neither a complete framework nor a partial keel, to help the airbag...
used in police
Police
The police is a personification of the state designated to put in practice the enforced law, protect property and reduce civil disorder in civilian matters. Their powers include the legitimized use of force...
operations. They are commonly used for traffic control, ground support, search and rescue
Search and rescue
Search and rescue is the search for and provision of aid to people who are in distress or imminent danger.The general field of search and rescue includes many specialty sub-fields, mostly based upon terrain considerations...
, high-speed car pursuits, observation, air patrol and riot control. In major cities in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
, police helicopters are also used as air transportation for SWAT
SWAT
A SWAT team is an elite tactical unit in various national law enforcement departments. They are trained to perform high-risk operations that fall outside of the abilities of regular officers...
personnel.
History
The first police aviation department was established in 1919 in New York City with two airplanes. Fixed wing aircraft have generally been replaced by the more versatile helicopter since the late 1940s. However, airplanes still have their uses in some missions, such as border patrolBorder guard
The border guard, frontier guard, border patrol, border police, or frontier police of a country is a national security agency that performs border control, i.e., enforces the security of the country's national borders....
, as their higher speed and greater operating altitude allows larger areas to be covered.
In 1921, the British airship R33
R33
The R33 class of British rigid airships were built for the Royal Naval Air Service during World War I, but were not completed until after the end of hostilities as part of the Royal Air Force. The lead ship, R33, went on to serve successfully for ten years and survived one of the most alarming and...
was able to help the police in traffic control around the Epsom and Ascot
Ascot Racecourse
Ascot Racecourse is a famous English racecourse, located in the small town of Ascot, Berkshire, used for thoroughbred horse racing. It is one of the leading racecourses in the United Kingdom, hosting 9 of the UK's 32 annual Group 1 races...
horseracing events.
Missions
Police helicopters are normally equipped with variants such as night visionNight vision
Night vision is the ability to see in low light conditions. Whether by biological or technological means, night vision is made possible by a combination of two approaches: sufficient spectral range, and sufficient intensity range...
, FLIR
Forward looking infrared
Forward looking infrared cameras, typically used on military aircraft, use an imaging technology that senses infrared radiation.The sensors installed in forward looking infrared cameras, as well as those of other thermal imaging cameras, use detection of infrared radiation, typically emitted from a...
, infrared, surveillance cameras, radar, special radio systems and engines, loudspeaker systems, tear gas dispensers, searchlight
Searchlight
A searchlight is an apparatus that combines a bright light source with some form of curved reflector or other optics to project a powerful beam of light of approximately parallel rays in a particular direction, usually constructed so that it can be swiveled about.-Military use:The Royal Navy used...
s, winch
Winch
A winch is a mechanical device that is used to pull in or let out or otherwise adjust the "tension" of a rope or wire rope . In its simplest form it consists of a spool and attached hand crank. In larger forms, winches stand at the heart of machines as diverse as tow trucks, steam shovels and...
es and winch cables, flashing light beacons, police rescue equipment and special seating. Weapons are usually not attached to the aircraft.
Police forces sometimes use military surplus helicopters, such as the Bell UH-1 Huey
UH-1 Iroquois
The Bell UH-1 Iroquois is a military helicopter powered by a single, turboshaft engine, with a two-bladed main rotor and tail rotor. The helicopter was developed by Bell Helicopter to meet the United States Army's requirement for a medical evacuation and utility helicopter in 1952, and first flew...
, but most buy their helicopters directly from major aircraft companies.
The Edgley Optica
Edgley Optica
- See also :- External links :** *...
was a British light aircraft built for observation use and was adopted by the Hampshire Constabulary
Hampshire Constabulary
Hampshire Constabulary is the territorial police force responsible for policing Hampshire and the Isle of Wight in southern England.The force area includes the cities of Winchester, Southampton and Portsmouth...
as as an alternative to helicopters.
Police blimps were used to patrol the skies during the 2004 Republican National Convention
2004 Republican National Convention
The 2004 Republican National Convention, the presidential nominating convention of the Republican Party of the United States, took place from August 30 to September 2, 2004 at Madison Square Garden in New York City, New York...
and the 1996 Atlanta Olympic Games
1996 Summer Olympics
The 1996 Summer Olympics of Atlanta, officially known as the Games of the XXVI Olympiad and unofficially known as the Centennial Olympics, was an international multi-sport event which was celebrated in 1996 in Atlanta, Georgia, United States....
.
See also
- Border guardBorder guardThe border guard, frontier guard, border patrol, border police, or frontier police of a country is a national security agency that performs border control, i.e., enforces the security of the country's national borders....
- Police Aviation in United Kingdom
- Paragliding (police work)