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Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks.The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.
[1] The FAA states "The height–velocity diagram or H/V curve is a graph charting the safe/unsafe flight profiles relevant to a specific helicopter. As operation outside the safe area of the chart can be fatal in the event of a power or transmission failure it is sometimes referred to as the dead man's curve."
[7] [15] The interior is designed to suit various purposes, from a four-seat configuration intended for executive travel to a more compact five-seat arrangement; provisions for its use as both a military and utility helicopter were made from the onset. The FH-1100 is equipped with skid landing gear that is suitable for austere or rough field ...
The Honeywell T55 (formerly Lycoming; company designation LTC-4) is a turboshaft engine used on American helicopters and fixed-wing aircraft (in turboprop form) since the 1950s, and in unlimited hydroplanes since the 1980s. As of 2021, more than 6,000 of these engines have been built. [1]
[2] [3] As part of this initiative, Boeing was awarded a $285-million contract to build the first 13 MH-139A Grey Wolf helicopters, to guard America's nuclear ballistic missiles. [ 4 ] [ 5 ] The MH-139A Grey Wolf is to be used for security patrols, search and rescue missions, and personnel and cargo transport. [ 6 ]
The Sioux is a single-engine single-rotor three-seat observation and basic training helicopter. In 1953 the Bell 47G design was introduced. It can be recognized by the full "soap bubble" canopy (as its designer Arthur M. Young termed it), [7] exposed welded-tube tail boom, saddle fuel tanks and skid landing gear.
Other changes include the 1 ft 6 in (46 cm) stretched fuselage, providing for two extra seats, an optional EFIS flight deck, and a choice of either skids or retractable wheeled undercarriage. [ 1 ] The typical configuration seats ten, including a pilot and co-pilot with eight passengers in the main cabin behind them in three rows of seats.
The system is typically mounted around the front of American military helicopters, [6] rescue helicopters and of civilian helicopters involved in agricultural work. It is effective when the helicopter strikes the wires at angle of less than 90 degrees and at speeds more than 30 knots (35 mph; 56 km/h). [ 7 ]