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  2. Hospital emergency codes - Wikipedia

    en.wikipedia.org/wiki/Hospital_emergency_codes

    Hospital emergency codes are coded messages often announced over a public address system of a hospital to alert staff to various classes of on-site emergencies. The use of codes is intended to convey essential information quickly and with minimal misunderstanding to staff while preventing stress and panic among visitors to the hospital.

  3. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    United States. In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens.

  4. List of emergency telephone numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_emergency...

    Mobile phones – 911[citation needed] or 112 [24] (Automatically redirects to 999 ). Police – 110; [28] Ambulance – 118 or 119; Fire – 113 or 1131; Search & rescue – 115; Natural disasters – 129; Electricity emergency – 123; [29] Mental health – 1-500-454. [30] General emergencies is also 110.

  5. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by law enforcement and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [1]

  6. Police code - Wikipedia

    en.wikipedia.org/wiki/Police_code

    Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or other status codes. These code types may be used in the same sentence to describe specific aspects of a situation.

  7. List of transponder codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Transponder_Codes

    Transponder codes shown in this list in the color RED are for emergency use only such as an aircraft hijacking, radio communication failure or another type of emergency.

  8. List of national emergencies in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_national...

    A national emergency is a situation in which a government is empowered to perform actions not normally permitted. The 1976 National Emergencies Act implemented various legal requirements regarding emergencies declared by the President of the United States.

  9. 911 (emergency telephone number) - Wikipedia

    en.wikipedia.org/wiki/911_(emergency_telephone...

    911, sometimes written 9-1-1, is an emergency telephone number for Argentina, Canada, Dominican Republic, Jordan, Mexico, Pakistan, Palau, Panama, the Philippines, Sint Maarten, the United States, [2] and Uruguay, as well as the North American Numbering Plan (NANP), one of eight N11 codes.

  10. Vessel emergency codes - Wikipedia

    en.wikipedia.org/wiki/Vessel_emergency_codes

    Code Blue usually means a medical emergency. Delta, Delta, Delta is the code for a possible bio-hazard among some cruise lines. More commonly used to alert crew to hull damage on board some lines as well. Echo, Echo, Echo is the code for a possible collision with another ship or the shore aboard Royal Caribbean ships, or if the ship is starting ...

  11. Emergency Alert System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Alert_System

    The Emergency Alert System ( EAS) is a national warning system in the United States designed to allow authorized officials to broadcast emergency alerts and warning messages to the public via cable, satellite and broadcast television and both AM, FM and satellite radio.