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  2. Lasers and aviation safety - Wikipedia

    en.wikipedia.org/wiki/Lasers_and_aviation_safety

    Pilots straying into unauthorized airspace over Washington, D.C. can be warned to turn back by shining eye-safe low-power red and green lasers at them. [3] At least one system has been tested that would use lasers on final approach to help line up the pilot on the proper glideslope. NASA has tested a Helicopter Airborne Laser Positioning System ...

  3. This Is The 1 Thing An Eye Doctor Says You Should Never Do ...

    www.aol.com/1-thing-eye-doctor-says-120017349.html

    That’s because you can get a corneal ulcer, which is an infection on part of the eye that a contact covers. “It’s not going to happen every time, but when it happens, it’s terrible ...

  4. de Lackner HZ-1 Aerocycle - Wikipedia

    en.wikipedia.org/wiki/De_Lackner_HZ-1_Aerocycle

    22 November 1954. Primary user. United States Army. Number built. 12. The HZ-1 Aerocycle, also known as the YHO-2 and by the manufacturer's designation DH-5 Aerocycle, was an American one-man "personal helicopter " developed by de Lackner Helicopters in the mid-1950s. Intended to be operated by inexperienced pilots with a minimum of 20 minutes ...

  5. Strait of Juan de Fuca laser incident - Wikipedia

    en.wikipedia.org/wiki/Strait_of_Juan_de_Fuca...

    Strait of Juan de Fuca laser incident. On 4 April 1997, a Canadian Armed Forces helicopter was allegedly illuminated by a laser while observing the Russian merchant ship and suspected spy vessel Kapitan Man, which was in the Strait of Juan de Fuca in U.S. territorial waters near Port Angeles, Washington. The Canadian Air Force pilot and the U.S ...

  6. Aerial photography - Wikipedia

    en.wikipedia.org/wiki/Aerial_photography

    Aerial photography. An aerial photograph using a drone of Westerheversand Lighthouse, Germany. An aerial view of the city of Pori, Finland. Air photo of a military target used to evaluate the effect of bombing. Aerial photography (or airborne imagery) is the taking of photographs from an aircraft or other airborne platforms. [ 1]

  7. Sensory illusions in aviation - Wikipedia

    en.wikipedia.org/wiki/Sensory_illusions_in_aviation

    Sensory illusions in aviation. Blind flying. The pilot wears goggles blocking the colors transparent through the orange plastic sheet in front of him. The instructor wears no goggles and so has an outside view tinted orange. Human senses are not naturally geared for the in-flight environment. Pilots may experience disorientation and loss of ...

  8. List of accidents and incidents involving helicopters - Wikipedia

    en.wikipedia.org/wiki/List_of_accidents_and...

    16 July – Sikorsky S-76 A G-BJVX of Bristow Helicopters crashes into the North Sea off the coast of Norfolk following the loss of its rotor head in flight. All eleven people on board are killed. 19 August – A Mil Mi-26 of the Russian Air Force is shot down by Chechen separatists and crashes at Khankala, Chechnya.

  9. Helicopter height–velocity diagram - Wikipedia

    en.wikipedia.org/wiki/Helicopter_height...

    The FAA states "The height–velocity diagram or H/V curve is a graph charting the safe/unsafe flight profiles relevant to a specific helicopter. As operation outside the safe area of the chart can be fatal in the event of a power or transmission failure it is sometimes referred to as the dead man's curve ." [1]