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  2. Dornier Seastar - Wikipedia

    en.wikipedia.org/wiki/Dornier_Seastar

    The Dornier Seastar is a turboprop-powered amphibious aircraft built largely of composite materials.Developed by Claudius Dornier Jr [] of Germany, it first flew in 1984.. The design is owned by Claudius Jr's son, Conrado, who founded Dornier Seawings AG (now Dornier Seawings) to continue work on the project after two previous firms, Claudius Dornier Aircraft and Dornier Composite Aircraft ...

  3. Ship's wheel - Wikipedia

    en.wikipedia.org/wiki/Ship's_wheel

    Diagram of the steering gear of an 18th- to 19th-century sailing ship [3]: 151 Helm of TS Golden Bear. A ship's wheel is composed of eight cylindrical wooden spokes (though sometimes as few as six or as many as ten or twelve depending on the wheel's size and how much force is needed to turn it.) shaped like balusters and all joined at a central wooden hub or nave (sometimes covered with a ...

  4. AAC SeaStar - Wikipedia

    en.wikipedia.org/wiki/AAC_SeaStar

    Front view of the Seastar, showing the interplane cross-bracing. The AAC SeaStar is an amphibious biplane that was produced in kitplane form. The aircraft is built largely of composite materials and features wings that may be easily removed for transport, and a ballistic recovery system in the form of a parachute that can be deployed from the engine nacelle.

  5. Madreporite - Wikipedia

    en.wikipedia.org/wiki/Madreporite

    The water vascular system of the sea star consists of a series of seawater-filled ducts that function in locomotion and feeding and respiration. Its main parts are the madreporite, the stone canal, the ring canal, the radial canals, the lateral canals, and the tube feet. The sieve-like madreporite allows entry of seawater into the stone canal ...

  6. Lockheed T2V SeaStar - Wikipedia

    en.wikipedia.org/wiki/Lockheed_T2V_SeaStar

    The Lockheed T2V SeaStar, later called the T-1 SeaStar, is a carrier-capable jet trainer for the United States Navy that entered service in May 1957. Developed from the Lockheed T-33 (itself derived from the Lockheed P-80 Shooting Star ), it was powered by one Allison J33 engine.

  7. Helmsman - Wikipedia

    en.wikipedia.org/wiki/Helmsman

    Helm orders or commands fall into two categories: rudder commands and heading commands. A rudder command dictates changing the angle of the rudder, which is a single-event action, whereas steering a heading is a comparatively long event and will require ongoing or continuous rudder adjustments.

  8. SS El Faro - Wikipedia

    en.wikipedia.org/wiki/SS_El_Faro

    SS El Faro was a United States-flagged, combination roll-on/roll-off and lift-on/lift-off cargo ship crewed by U.S. merchant mariners.Built in 1975 by Sun Shipbuilding & Drydock Co. as Puerto Rico, the vessel was renamed Northern Lights in 1991 and, finally, El Faro in 2006.

  9. SS Sea Star - Wikipedia

    en.wikipedia.org/wiki/SS_Sea_Star

    SS Sea Star may refer to one of two Type C3 ships built for the United States Maritime Commission: . SS Sea Star (1939) (MC hull no. 52, Type C3), built by Moore Dry Dock; acquired by the United States Navy and converted to troop transport USS Elizabeth C. Stanton (AP-69); sold for commercial use in 1946; scrapped in 1967