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Electronic sirens have replaced two-tone horns on most emergency vehicles Emergency vehicle equipment is used in the United Kingdom to indicate urgent journeys by an emergency service . This usage is colloquially known as "blues and twos", which refers to the blue lights and the two-tone siren once commonplace (although most sirens now have a ...
Police motorcycles are also used in road safety initiatives such as Bikesafe, a national programme to reduce motorcycle casualties where police motorcyclists provide advanced rider training to members of the public. [7] Some Metropolitan Police Special Escort Group officers and Parliamentary and Diplomatic Protection also use motorcycles.
The use of flashing lights and sirens is colloquially known as blues and twos, which refers to the blue lights and the two-tone siren once commonplace (although most sirens now use a range of tones). In the UK, only blue lights are used to denote emergency vehicles (although other colours may be used as sidelights, stop indicators, etc.).
A siren is a loud noise-making device. There are two general types: mechanical and electronic. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines.
They develop and manufacture sirens, lightbars, beacons and other vehicle electrical equipment for emergency service vehicles such as Police, Fire, Ambulance, utility, and recovery vehicles. [2] Many new Police, Fire and Ambulance vehicles manufactured by SVP (Specialist Vehicle Preparartion) have Premier Hazard Systems installed.
Even officers thought it was a real siren! ... Bird in England Mimicking a Police Siren Sounds Just Like the Real Thing. Natalie Hoage. April 15, 2024 at 11:30 AM. redpip1984/Shutterstock ...
The Severnside Sirens are a system of Civil defense sirens located along the South Severn Estuary coastline from Redcliffe Bay to Pilning, northwest of Bristol. They are activated by Avon and Somerset Police [ 1 ] in the event of a potential incident at one of the COMAH sites located in the area, mainly in and near Avonmouth . [ 2 ]
Sound siren producing one long note but interrupted in short succession. Can also be given by church bells or word of mouth from the police and civil defence wardens Fell out of use by the late 1960s All clear: High-pitched pip signal followed by a spoken message: "Attack message WHITE!" A steady control tone will activate the powered sirens.