Search results
Results From The WOW.Com Content Network
Navigation light. A navigation light, also known as a running or position light, is a source of illumination on a watercraft, aircraft or spacecraft, meant to give information on the craft's position, heading, or status. [ 1] Some navigation lights are colour-coded red and green to aid traffic control by identifying the craft's orientation.
Running lights permitted as an alternative to dim-dip were required to emit at least 200 candela straight ahead, and no more than 800 candela in any direction. In practice, most vehicles were equipped with the dim-dip option rather than dedicated running lights. [43] The dim-dip systems were not intended for daytime use as DRLs.
Approach lights at Jyväskylä Airport, Finland The approach lighting system of Bremen Airport Approach lighting at Love Field, Dallas. An approach lighting system (ALS) is a lighting system installed on the approach end of an airport runway and consisting of a series of lightbars, strobe lights, or a combination of the two that extends outward from the runway end. [1]
Trains include a variety of types of lights, for safety, illumination, and communicating train status. [ 1] The most universal type of light is the headlight, which is included on the front of locomotives, and frequently on the rear as well. [ 2] Other types of lights include classification lights, which indicate train direction and status, and ...
The Centennial Light is an incandescent light bulb, recognized as the oldest known continuously operating light bulb. It was first illuminated in 1901, and has only been turned off a few brief times since. It is located at 4550 East Avenue, Livermore, California, and is open to public viewing. [ 1] Due to its longevity, the bulb has been noted ...
Running lights may refer to: Lights on vehicles designed to increase visibility while moving - see: Daytime running lamp, for increased visibility of vehicles during the day. Automotive lighting, for running lights for cars. Bicycle lighting, for running lights for bicycles. Navigation light, for running lights for aircraft, ships and spacecraft.
Traffic light. An LED 50- watt traffic light in Portsmouth, United Kingdom. Traffic lights, traffic signals, or stoplights – also known as robots in South Africa [ 1][ 2] and Namibia – are signaling devices positioned at road intersections, pedestrian crossings, and other locations in order to control the flow of traffic.
A standard high position light consists of two heads; the bottom head can remain dark unless it is needed. In addition to the high position light signals the PRR developed a dwarf position light, as with many railroads, these dwarf signals are also referred to as a "pot," a tradition carried over from the 19th century revolving "Pot Type Signal."