Why do helicopters fly over London?

London is a mass of controlled airspace. … So, rather considerately, there are a network of routes (known as the “heli-lanes”) through London where helicopters can fly visually without needing to satisfy the equipment requirements of Class A Airspace.

Why are there so many helicopters flying over London?

Most military helicopters will route along the Thames because it is one of the established transit corridors, and if a helicopter has an unrecoverable failure the Thames provides the safest place to ditch. They also drop casualties / practice dropping casualties at hospitals.

Why do helicopters fly at night UK?

The helicopters are a useful resource in the dark as they are all equipped with thermal imaging cameras which allow the crew to see at night. The aircraft fly higher at night to keep noise to a minimum, especially over residential areas, and will leave the scene of an incident as soon as possible.

Why is a helicopter flying over my house right now?

While military helicopters may fly over houses for training, law enforcement helicopters fly over residential properties for a variety of reasons. … In most cases, police helicopters are dispatched when officers on the ground need assistance. This may include responding to a crime scene or a car accident.

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What does it mean when a helicopter is circling your neighborhood?

It is about to land at a location and the pilot is doing a high orbit and then a low orbit to scope at the landing zone. (not sure how many circles you meant). It is a news helicopter and there is something newsworthy that it is filming, so the pilot is circling to keep the camera on the event.

Can a police helicopters see inside your house?

Police Helicopters can see into your home only when looking through a window with the HD color camera. The infrared camera is unable to look through walls, roofs, or structures because it only detects heat given off by an object. It can see if a house, room, or roof is hotter than its surroundings.

Why do police helicopters fly in circles at night?

If the police helicopter is flying overhead in circles, they are working some sort of mission. The spotlight, called a Night Sun, is just one of many tools the helicopter has to complete a mission. Depending on the mission, the helicopter may or may not use the Night Sun.

How low can Helicopters legally fly?

(c) Over other than congested areas – An altitude of 500 feet above the surface except over open water or sparsely populated areas. In that case, the aircraft may not be operated closer than 500 feet to any person, vessel, vehicle, or structure.

What helicopters do UK police use?

National Police Air Service
Aircraft Airbus Helicopters H135 Airbus Helicopters H145 Vulcanair P68R
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What does it mean when a helicopter is flashing red?

The red flashing light is more formally known as an anti-collision light. It is turned on always during flight to better help aircraft visibility at shorter ranges, especially during ground movement. … A red flashing light is used on all certified aircraft, including helicopters.

What does it mean when a helicopter is flashing red and green?

Police helicopters, and every other kind of helicopter, display red and green navigation lights (red on the left, green on the right). This is so an observer at a distance can tell whether the aircraft is headed toward or away from them. … There isn’t any need for a police aircraft to have blue lights.

Can you track police helicopter?

POLICE have launched a new system which will allow residents to track what a new multi-million pound helicopter is up to. When you subscribe we will use the information you provide to send you these newsletters.

Why would a helicopter fly low?

Most of them are limited to practical flight altitudes of 10,000 feet and typically helicopters fly much lower—like 500–1500 feet usually—for rotor efficiency. So whenever they are flying, they are easily seen and heard by people on the ground.

How long can a helicopter hover in the same spot?

Most helicopters hover within “ground effect”. This is defined as a height above ground equivalent to the rotor diameter, that is, if the span of the tip of one rotor to the other is 100 feet, then the helicopter is capable of hovering in ground effect up to 100 feet.

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