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  2. Controlled flight into terrain - Wikipedia

    en.wikipedia.org/wiki/Controlled_flight_into_terrain

    Before the installation of the first electronic terrain warning systems, the only defenses against CFIT were conventional see-and-avoid aviation practices, pilot simulator training, crew resource management (CRM) and radar surveillance by air traffic services. While refinements applied to those practices helped reduced the incidence of CFIT ...

  3. Kavach (train protection system) - Wikipedia

    en.wikipedia.org/wiki/Kavach_(train_protection...

    Initially it was known by the name Train Collision Avoidance System (TCAS). [2] Kavach was adopted by Ministry of Railways as the National ATP System in July 2020. [3] Kavach functioning explained through schematic diagram. Development of Kavach began in the year 2011 as an open-source project. In 2014, field trials commenced.

  4. Terrain awareness and warning system - Wikipedia

    en.wikipedia.org/wiki/Terrain_awareness_and...

    A piece of the wreckage of Air New Zealand Flight 901, which crashed in Antarctica in 1979, despite being equipped with a GPWS.All 257 people on the plane died. Beginning in the early 1970s, a number of studies looked at the occurrence of CFIT accidents, where a properly functioning airplane under the control of a fully qualified and certificated crew is flown into terrain (or water or ...

  5. Sikorsky UH-60 Black Hawk - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_UH-60_Black_Hawk

    U.S. Army personnel were on board, but the flying was done by helicopter. During a two-hour flight, the Black Hawk featured terrain sensing, trajectory generation, threat avoidance, and autonomous flight control. It was fitted with a 3D-LZ laser detection and ranging system. The autonomous flight was performed between 200 and 400 feet.

  6. United States Army Reconnaissance and Surveillance Leaders Course

    en.wikipedia.org/wiki/United_States_Army...

    United States Army Reconnaissance and Surveillance Leaders Course (RSLC) (formerly known as the Long Range Surveillance Leaders Course, or LRSLC [1]) is a 29-day (four weeks and one day) school designed on mastering reconnaissance fundamentals of officers and non-commissioned officers eligible for assignments to those units whose primary mission is to conduct reconnaissance and surveillance ...

  7. Exxon Valdez oil spill - Wikipedia

    en.wikipedia.org/wiki/Exxon_Valdez_oil_spill

    The vessel was placed on a due south course and set on autopilot. At 11:47 p.m. the vessel left the traffic lane's eastern boundary. Third Mate Cousins had been on duty for 6 hours and was scheduled to be relieved by Second Mate Lloyd LeCain Jr. However, due to the long hours that the second mate had worked, Cousins was reluctant to wake him ...

  8. Accident - Wikipedia

    en.wikipedia.org/wiki/Accident

    A memorial to the 97 victims of the Hillsborough disaster. An accident is an unintended, normally unwanted event that was not directly caused by humans. [1] The term accident implies that nobody should be blamed, but the event may have been caused by unrecognized or unaddressed risks.

  9. Collision avoidance (spacecraft) - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance...

    Spacecraft collision avoidance is the implementation and study of processes minimizing the chance of orbiting spacecraft inadvertently colliding with other orbiting objects. The most common subject of spacecraft collision avoidance research and development is for human-made satellites in geocentric orbits .