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  2. New York City Police Department Aviation Unit - Wikipedia

    en.wikipedia.org/wiki/New_York_City_Police...

    The New York City Police Department Aviation Unit is a division of the New York City Police Department (NYPD) focused on airborne law enforcement and public safety. Operating under command of the NYPD Special Operations Bureau, the unit frequently works alongside partner agencies like the NYPD Harbor Unit and United States Coast Guard (USCG) to service New York City and its surrounding waters.

  3. 1991 Merion mid-air collision - Wikipedia

    en.wikipedia.org/wiki/1991_Merion_mid-air_collision

    The crew of a passing Bell 412SP helicopter, operated by Sun Company Inc. and headed to the company's headquarters in Radnor, Pennsylvania, offered to take a closer look to see if the gear was indeed down and locked. They moved near the Aerostar for a better look, and the final transmission from the helicopter crew was to advise the Aerostar ...

  4. Air China Flight 129 - Wikipedia

    en.wikipedia.org/wiki/Air_China_Flight_129

    During the circling approach [9] to land on runway 18R, the crew exercised poor crew resource management and lost sight of the runway while delaying the base turn and flying outside of the circling approach area, and crashed into a hill named Mt. Dotdae at 11:21 local time (02:21 UTC). The aircraft made initial contact with the terrain when its ...

  5. Six killed in helicopter crash in San Bernardino County near ...

    www.aol.com/news/helicopter-six-people-onboard...

    The helicopter, which was operated by Orbic Air LLC of Burbank, had taken off from Palm Springs International Airport at 8:45 p.m. and was bound for Boulder City, Nev., Graham said.

  6. Kopp–Etchells effect - Wikipedia

    en.wikipedia.org/wiki/Kopp–Etchells_effect

    The Kopp–Etchells effect is a sparkling ring or disk that is sometimes produced by rotary-wing aircraft when operating in sandy conditions, particularly near the ground at night. The name was coined by photographer Michael Yon to honor two soldiers who were killed in combat; Benjamin Kopp, a US Army Ranger, and Joseph Etchells, a British soldier.

  7. United States Coast Guard Air Stations - Wikipedia

    en.wikipedia.org/wiki/United_States_Coast_Guard...

    Flies the HH-60J Jayhawk helicopters, and HC-144 Ocean Sentry aircraft and provide coverage from the Canada–US border to Long Island, New York. [2] CGAS Salem: Salem, Massachusetts: 1935 1970 [3] CGAS Ten Pound Island: Gloucester, Massachusetts: 1925 1935 First permanent Coast Guard Air Station established as a seaplane base.

  8. Air-sea rescue - Wikipedia

    en.wikipedia.org/wiki/Air-sea_rescue

    A Royal Navy rescue helicopter in action above a boat An Auckland Rescue Helicopter in action. Air-sea rescue (ASR or A/SR, also known as sea-air rescue), [1] and aeronautical and maritime search and rescue (AMSAR) by the ICAO and IMO, [2] is the coordinated search and rescue (SAR) of the survivors of emergency water landings as well as people who have survived the loss of their seagoing vessel.

  9. Helicopter flight controls - Wikipedia

    en.wikipedia.org/wiki/Helicopter_flight_controls

    Helicopters with fly-by-wire systems allow a cyclic-style controller to be mounted to the side of the pilot seat. The cyclic is used to control the main rotor in order to change the helicopter's direction of movement. In a hover, the cyclic controls the movement of the helicopter forward, back, and laterally.