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Incorrectly, or as an abbreviation, some documentation refers to V ref and/or V rot speeds as "V r." [29] V S: Stall speed or minimum steady flight speed for which the aircraft is still controllable. [7] [8] [9] V S 0: Stall speed or minimum flight speed in landing configuration. [7] [8] [9] V S 1
Abbreviation Term Notes UAC Upper area control UART Universal asynchronous receiver-transmitter: UAS Unmanned Aircraft System [20] UAV Unmanned aerial vehicle: Commonly called 'drones', also 'Remotely Piloted Aircraft (RPA)' UHF ultra-high frequency: UIR upper information region ULB underwater locator beacon: UNICOM
Printable version ; In other projects ... Mnemonics are used by aircraft pilots for the safe management of a ... List of aviation, avionics, aerospace and ...
The drift angle (shaded red) is due to the wind velocity (W/V, in green). In navigation , the heading of a vessel or aircraft is the compass direction in which the craft's bow or nose is pointed. Note that the heading may not necessarily be the direction that the vehicle actually travels, which is known as its course .
The cockpit of a Slingsby T-67 Firefly two-seat light airplane.The flight instruments are visible on the left of the instrument panel. Flight instruments are the instruments in the cockpit of an aircraft that provide the pilot with data about the flight situation of that aircraft, such as altitude, airspeed, vertical speed, heading and much more other crucial information in flight.
Supersonic aircraft, like the Concorde and military fighters, use the Machmeter as the main speed instrument with the exception of take-offs and landings. Some aircraft also have a taxi speed indicator for use on the ground. Since the IAS often starts at around 74–93 km/h (40–50 kn) (on jet airliners), pilots may need extra help while ...
The aircraft can also fly at up to Mach 1.1 at sea level, but no faster. This outer surface of the curve represents the zero-extra-power condition . All of the area under the curve represents conditions that the plane can fly at with power to spare, for instance, this aircraft can fly at Mach 0.5 at 30,000 feet (9,100 m) while using less than ...
The charts are published "in accordance with Interagency Air Cartographic Committee specifications and agreements, approved by the Department of Defense and the Federal Aviation Administration". The legend of an aeronautical chart lists many of the symbols, colors and codes used to convey information to the map reader.