Hellas Works At Night.Dornier's new obstacle warning system for helicopters, Hellas, was successfully tested, under aggravated ag·gra·vate tr.v. ag·gra·vat·ed, ag·gra·vat·ing, ag·gra·vates 1. To make worse or more troublesome. 2. To rouse to exasperation or anger; provoke. See Synonyms at annoy. conditions, for night-flight capability. Eads Airborne airborne /air·borne/ (ar´born) suspended in, transported by, or spread by air. airborne, adj carried through the air. In health care settings, viruses or bacteria may become airborne, e.g. Systems unit, in co-operation with Eurocopter Germany and the Bundeswehr Technical Centre, completed the qualification tests with a view to installing the Hellas system into the new EC 135 helicopters for the flying unit of the German Federal Border Guard. The Hellas (Helicopter Laser Radar laser radar n. See lidar. ) system scans its environment with an eye-safe laser beam -- instead of the usual radar beams -- operating in the near-infrared (1.5 mm) spectrum, allowing for high-precision obstacle detection over large distances, even recognising wires as small as five millimetres in diameter. Both optical and acoustic acoustic /acous·tic/ (ah-kldbomacs´tik) relating to sound or hearing. a·cous·tic or a·cous·ti·cal adj. Of or relating to sound, the sense of hearing, or the perception of sound. signals inform the pilot of en-route obstacles. Dornier has developed a digital map interface that shows obstacle information on a colour map display. |
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