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Dead slow ahead; Standby; Stop; Finished with main engines; Dead slow astern; Slow astern; Half astern; Full astern; Emergency astern (1940–present) Any orders could also be accompanied by an RPM order, giving the precise engine speed desired. Many modern ships have the following dial indications: Full ahead navigation (on notice to increase ...
Slow ahead/astern, the number of revolutions is standardized for the individual ship and is unstated; Half ahead/astern, accompanied by an order for a power setting (e.g., "half ahead both engines, revolutions 1,500") Full speed ahead/astern. This is reserved for emergencies and as such the word "speed" is included to distinguish it from the ...
Fore or forward: at or toward the front of a ship or further ahead of a location (opposite of "aft") [1] Preposition form is "before", e.g. "the mainmast is before the mizzenmast". Inboard: attached inside the ship. [14] Keel: the bottom structure of a ship's hull. [15] Leeward: side or direction away from the wind (opposite of "windward"). [16]
Train numbers adhere to this directional principle to the extreme: trains entering a line in opposite direction of their previous line will change numbers accordingly (with numbering pairs: 0/1, 2/3, 4/5, 6/7, 8/9), and to give an example, 1300 and 1301 are the exact same train in Poland, with the even and odd numbers applying over different ...
Rail transport terms are a form of technical terminology applied to railways. Although many terms are uniform across different nations and companies, they are by no means universal, with differences often originating from parallel development of rail transport systems in different parts of the world, and in the national origins of the engineers and managers who built the inaugural rail ...
Unlike the tankers, the Arc7 ice class ship was designed to have excellent icebreaking capability, 2 knots in level ice with a thickness of 1.5 meters, both ahead and astern. The ship, Norilskiy Nickel, was delivered from Hietalahti shipyard in 2006 and performed beyond expectations during ice trials in the Yenisei Gulf. [18]
CDU used on Metro-North is integrated with the speedometer indicating the train speed, and the signals indicate the speed limit. The ETCS driver machine interface. The cab display unit (CDU), (also called a driver machine interface (DMI) in the ERTMS standard) is the interface between the train operator and the cab signalling system. Early CDU ...
On sighting a 'caution' aspect, the driver must prepare to stop at the signal ahead. If the distant signal shows a 'clear' aspect, the train may maintain full speed. A single signal may be equipped to function both as a stop signal and a distant signal. Some distant signals are in the form of a 'fixed distant'.