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  2. Raymarine Marine Electronics - Wikipedia

    en.wikipedia.org/wiki/Raymarine_Marine_Electronics

    Due to reorganizations in 1993 and 1998, the current Raymarine - at the time still under the name of the parent company - was created. In January 2001, Raymarine was formed when the division was acquired in a management buy-out backed by Hg. [4] In December 2004 the company was floated on the London Stock Exchange quadrupling Hg's investment. [5]

  3. Rudder angle indicator - Wikipedia

    en.wikipedia.org/wiki/Rudder_angle_indicator

    A rudder angle indicator is a device used to indicate the present position of the rudder blade, usually fitted near the Ship's wheel on the bridge and in the engine control room. [1] Rudder angle indicator of the MS Nordstjernen (1956) Rudder angle indicator

  4. Helmsman - Wikipedia

    en.wikipedia.org/wiki/Helmsman

    A professional helmsman maintains a steady course, properly executes all rudder orders, and communicates to the officer on the bridge using navigational terms relating to ship's heading and steering. A helmsman relies upon visual references, a magnetic and gyrocompass, and a rudder angle indicator to steer a steady course. The mate or other ...

  5. Rudder - Wikipedia

    en.wikipedia.org/wiki/Rudder

    A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, airship, or other vehicle that moves through a fluid medium (usually air or water). On an airplane, the rudder is used primarily to counter adverse yaw and p-factor and is not the primary control used to turn

  6. Helicopter flight controls - Wikipedia

    en.wikipedia.org/wiki/Helicopter_flight_controls

    If a helicopter suffers a power failure a pilot can adjust the collective pitch to keep the rotor spinning, generating enough lift to touch down and skid in a relatively soft landing. [ 3 ] The collective pitch control in a Boeing CH-47 Chinook is called a thrust control , but serves the same purpose, except that it controls two rotor systems ...

  7. Indicator lamp - Wikipedia

    en.wikipedia.org/wiki/Indicator_lamp

    An indicator lamp (or indicator light) is an illuminated device that is intended to visually convey a single status to the user of a piece of equipment. Indicator lamp may refer to: Check engine light, a tell-tale warning light in automobiles; Tell-tale (automotive), a more generic class of indicators

  8. US FAA issues safety alert over Boeing 737 rudder issue - AOL

    www.aol.com/news/us-faa-issues-safety-alert...

    WASHINGTON (Reuters) -The Federal Aviation Administration said on Tuesday it issued a safety alert to airlines warning of the potential for limited or jammed rudder movement on certain Boeing 737 ...

  9. Yaw string - Wikipedia

    en.wikipedia.org/wiki/Yaw_string

    Some light twin-engine airplane pilots place yaw strings on their aircraft to help maintain control in the event of an engine failure, because the slip-skid indicator ball is not accurate in this case. [16] In a multiengine airplane with an inoperative engine, the centered ball is no longer the indicator of zero sideslip due to asymmetrical ...