anti collision light — light used to avoid collisions … English contemporary dictionary
collision beacon — A powerful rotating visual light carried by aircraft to increase visibility in flight, especially at night and in poor visibility conditions. Normally there are two lights one on the dorsal fin and the other in the ventral position. These lights… … Aviation dictionary
Navigation light — The winglet and red navigation light on the port (left) wing of a South African Airways Boeing 747 400 aircraft A navigation light is a colored source of illumination on an aircraft, spacecraft, or waterborne vessel, used to signal a craft s… … Wikipedia
Anti-frogman techniques — are security methods developed to protect watercraft, ports and installations, and other sensitive resources both in or nearby vulnerable waterways from potential threats or intrusions by frogmen or other divers.Risks and threats to be defended… … Wikipedia
Anti-Americanism — Anti American mural in Tehran, Iran, 2004 The term Anti Americanism, or Anti American Sentiment, refers to broad opposition or hostility to the people, policies, culture or government of the United States.[1] … Wikipedia
anticollision light — A flashing light fitted on the vertical fin and belly of an aircraft. It increases an aircraft’s visibility to other aircraft in flight especially at night and in poor visibility conditions. The high intensity light is visible 360° around the… … Aviation dictionary
Traffic collision — Car crash redirects here. For the Matt Nathanson song, see Some Mad Hope. Vehicle collision Classification and external resources A head on collision of two cars … Wikipedia
2008 Chatsworth train collision — This article is about the 2008 Metrolink train collision in Los Angeles. For the 1887 train collision at Great Chatsworth, Illinois, see 1887 Great Chatsworth train wreck. Chatsworth train collision Resc … Wikipedia
Traffic light — The traffic light, also known as traffic signal, stop light, traffic lamp, stop and go lights, robot or semaphore, is a signaling device positioned at a road intersection, pedestrian crossing, or other location. Its purpose is to indicate, using… … Wikipedia
Melbourne–Evans collision — The stern section of USS Frank E. Evans on the morning after the collision. USS Everett F. Larson (right) is moving in to salvage the remains of the abandoned destroyer. Date … Wikipedia
