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Watercraft navigation lights must permit other vessels to determine the type and relative angle of a vessel, and thus decide if there is a danger of collision. In general, sailing vessels are required to carry a green light that shines from dead ahead to 2 points (22 + 1 ⁄ 2 °) abaft [note 1] the beam on the starboard side (the right side from the perspective of someone on board facing ...
Air traffic control signal light gun in use at base flight tower. In the case of a radio failure or aircraft not equipped with a radio, or in the case of a deaf pilot, air traffic control may use a signal lamp (called a "signal light gun" or "light gun" by the FAA [1] [2]) to direct the aircraft.
Abstract representation of a Fly-By-Wire flight system. A flight control computer (FCC) is a primary component of the avionics system found in fly-by-wire aircraft. It is a specialized computer system that can create artificial flight characteristics and improve handling characteristics by automating a variety of in-flight tasks which reduce the workload on the cockpit flight crew.
The FMS can be summarised as being a dual system consisting of the Flight Management Computer (FMC), CDU and a cross talk bus. The modern FMS was introduced on the Boeing 767, though earlier navigation computers did exist. [1] Now, systems similar to FMS exist on aircraft as small as the Cessna 182. In its evolution an FMS has had many ...
The introduction of computer monitor based control systems during the 1980s and 1990s saw a wholesale absorption of alarm window displays onto the computer screen. This created a downturn in the sales of the conventional alarm annunciator systems, and many of the companies manufacturing these alarm annunciator products were either sold off or ...
This maneuver is also known as an orbital plane change as the plane of the orbit is tipped. This maneuver requires a change in the orbital velocity vector ( delta v ) at the orbital nodes (i.e. the point where the initial and desired orbits intersect, the line of orbital nodes is defined by the intersection of the two orbital planes).
Going green will be a huge challenge for the world’s biggest airlines. On the surface, the top issue is fuel, but many other factors contribute to a flight’s environmental impact, such as the ...
The flashes shown greatly exaggerate the duration of a laser flash and use green rather than less visible red light. With a plane traveling hundreds of miles per hour and a laser beam size of only a meter or so, flash durations would be measured in thousandths of a second. [6]