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In aviation, a variometer – also known as a rate of climb and descent indicator (RCDI), rate-of-climb indicator, vertical speed indicator (VSI), or vertical velocity indicator (VVI) – is one of the flight instruments in an aircraft used to inform the pilot of the rate of descent or climb. [1]
A windsock (a wind cone or wind sleeve) is a conical textile tube that resembles a giant sock.It can be used as a basic indicator of wind speed and direction, or as decoration.
In aeronautics, the rate of climb (RoC) is an aircraft's vertical speed, that is the positive or negative rate of altitude change with respect to time. [1] In most ICAO member countries, even in otherwise metric countries, this is usually expressed in feet per minute (ft/min); elsewhere, it is commonly expressed in metres per second (m/s).
Peter Thiel’s Valar Ventures has doubled down its bet on Velocity, which operates a revenue-based financing platform for e-commerce and direct-to-consumer businesses in India, just months after ...
A pilot uses the VDA, and ground speed, to compute a rate of descent (from a table found in the U.S. Terminal Procedures Publication), which is flown using the Vertical velocity indicator. [1]: 4–22, 4–23 Aircraft approved for LNAV/VNAV minimums include the Boeing 737NG, 767, 777, the Airbus A300 and some ATRs. [1]: 4–26 [2]
vertical speed indicator: VSM Vertical separation limit VSO Stall speed in landing configuration VSV variable stator vane In a turbine engine VSWR Voltage–standing wave ratio VTA VFR terminal area chart [1] VTOL vertical take-off and landing [1] V/TRK Vertical track VVI vertical velocity indicator: Same as VSI VX Speed for best angle of climb VY
A basic airspeed indicator with the indicated airspeed (IAS) indicated in knots ("Kt" or "Kts" or "KIAS") -- the most common unit of measure for airspeed. Some airspeed indicators in aircraft prior to the mid-1970s indicate in miles per hour plus knots (1 knot = 1.15 mph) or kilometers per hour (1 knot = 1.85 km/h).
DRDO Abhyas test flight on 23 December 2021. As of January 2013, the proof of concept and pre-project trials were completed. The first experimental launch without the main turbojet engine of the Abhyas was held at the Chitradurga Aeronautical Test Range on 23 June 2012 to check the launch and configuration capability.