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  2. National Warning System - Wikipedia

    en.wikipedia.org/wiki/National_Warning_System

    This ensures they are available even when the local system is down or overloaded. NAWAS has major terminals at each state Emergency Operations Center [3] and State Emergency Management Facility. Other secondary terminals include local emergency management agencies, National Weather Service field offices and Public-safety answering points (PSAPs).

  3. Military helicopter makes emergency landing on California ...

    www.aol.com/military-helicopter-makes-emergency...

    "The aircrew conducted emergency procedures and safely landed the aircraft at a landing zone," Estillore's statement continued. PHOTO: Military helicopter makes emergency landing in Oceanside ...

  4. Homeland Security Advisory System - Wikipedia

    en.wikipedia.org/wiki/Homeland_Security_Advisory...

    New York City's threat level was High from the system's introduction. [28] On a nationwide level, it was raised to High five times: September 10–24, 2002, the first anniversary of the September 11, 2001 attacks. [29] February 7–27, 2003, near the end of the Muslim religious holiday Hajj. Intelligence reports suggested the possibility of ...

  5. HURCON - Wikipedia

    en.wikipedia.org/wiki/HURCON

    As of 2021, the scale - which has been updated several times, and has minor variations between different military bases - consists of 5 levels, from HURCON 5 to HURCON 1, with three additional sub-levels for HURCON 1. [1] As with civilian alerts, buildings may be boarded up and personnel evacuated. In addition; aircraft, ships, equipment, and ...

  6. City-wide emergency alert in Los Angeles sent in error to ...

    www.aol.com/city-wide-emergency-alert-los...

    An alert designated to warn people of a fire northwest of downtown Los Angeles was sent county-wide, according to a local official. At the time, emergency management was monitoring the Kenneth ...

  7. Pan-pan - Wikipedia

    en.wikipedia.org/wiki/Pan-pan

    Pan-pan calls may be made on the aircraft emergency frequency, but they are more often made on the frequency already in use, or another appropriate frequency. ICAO Annex 10, Volume V, § 4.1.3.1.1 states "the emergency channel (121.5 MHz) shall be used only for genuine emergency purposes". However, ICAO member states can deviate from this rule.

  8. Night vision, new helicopters are pushing the frontiers of ...

    www.aol.com/news/night-vision-helicopters...

    With more than 60 helicopters and fixed-wing aircraft used in tandem to monitor and attack fires, Cal Fire has been able to extinguish thousands of wildfires every year. ... deadliest and most ...

  9. NOTAM - Wikipedia

    en.wikipedia.org/wiki/NOTAM

    A NOTAM (Notice to Airmen, [1] [2] Notice to Air Men, [3] Notice to Airman [4] or Notice to Air Missions [5]) is a notice filed with an aviation authority to alert aircraft pilots of potential hazards along a flight route or at a location that could affect the flight. [6]