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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.
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.
This is a list of acronyms, expressions, euphemisms, jargon, military slang, and sayings in common or formerly common use in the United States Marine Corps.Many of the words or phrases have varying levels of acceptance among different units or communities, and some also have varying levels of appropriateness (usually dependent on how senior the user is in rank [clarification needed]).
The PAPI can be seen to the right (non-standard) side of the runway. The aircraft is slightly below the glideslope. A precision approach path indicator (PAPI) is a system of lights on the side of an airport runway threshold that provides visual descent guidance information during final approach.
Oppositely, a green flag indicates positive aspects or healthy behaviors. The use of the term red flag as a warning traces back to the 18th century. Historically, red flags were used as signals during wars or battles to indicate danger. [128] [129] The term green flag comes from the use of green-colored flags indicating permission to proceed ...
Aircraft carrier Tractor/trailer carrying a disassembled aircraft, helicopter or a small plane. Angry kangaroo A truck with one (or both) of its headlights out. Big truck Generally, a truck able to pull a semi-trailer, usually with the trailer and not a bob-tail. It can mean any vehicle Class 7 or heavier. Blinkin winkin/Kiddie car School bus ...
An aircraft identified as enemy, in accordance with theater ID criteria. The term does not necessarily imply direction or authority to engage. Banzai Information/directive to execute launch and decide tactics. Base (number) Reference number used to indicate such information as headings, altitude, and fuels. Bassett Rocket-thrown ASW torpedo ...
Green Light (missile), a precursor to the Sea Cat surface-to-air missile; Green light (UFO), a type of unidentified flying object; Green light, a manager giving a player permission to be aggressive; See Glossary of baseball (G) Green light, the "Go" indication on a traffic light; Green light, to order someone's assassination