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JavaScipt calculator for pilots. Determines density altitude from the altitude,
air temp, altimeter setting and relative humidity.
Banked Stall
Calculates banked stall speed. Input: Straight-and-level
stall speed and bank angle. Output: Banked stall speed.
Beacon Range
Calculates beacon range given a range of different scenarios
i.e. suspected topographic obstructions, topographic obstructions absent, beacon
on high lying ground, with or without refraction and using the usual formula. Input:
Beacon elevation (a.m.s.l.), beacon height (a.g.l.), aircraft altitude and
beacon distance to obstructing topography (depending on relevant scenario).
Output: Beacon range in nautical miles and kilometres, relevance of
topography.
Calibrated
Air Speed (CAS)
Calculates calibrated air speed. Input:
Altitude, altimeter subscale (qnh), temperature (OAT) and true air speed (TAS). Output: Calibrated air speed.
Convert Units
Performs conversions involving nautical miles, miles, yards,
feet, inches, kilometres, metres, centimetres, milimetres, kilograms, pounds,
litres, U.S. gallons, gallons, Celsius, Faranheit, Kelvin, kilowatts and
horsepower. Input: Quantity, and unit to be converted to. Output:
Quantity in new unit.
Crosswind
Calculates crosswind and headwind components on runway.
Input: Wind direction, velocity and runway number. Output: Crosswind
and headwind speeds.
Equivalent
Air Speed (EAS)
Calculates equivalent air speed. Input:
Altitude, altimeter subscale (qnh), temperature (OAT) and true air speed (TAS). Output: Equivalent air speed.
Great Circle
Calculates way points and distance along a great circle.
Input: Respective longitude and latitude of start and destination; number of
way points. Output: Longitude and latitude of way points and distance
along great circle.
Heading and
Ground Speed
Calculates heading, groundspeed and duration
due to winds aloft. Input: Direction and speed of wind, track, air speed,
variation and distance. Output: True and magnetic headings, groundspeed
and duration.
Load Sheet
Performs standard mass and balance calculation. Input:
Mass and arm for aircraft, oil, crew, each row, baggage compartments, fuel and
estimated fuel burn. Output: Mass, centre of gravity and moment for both
take off and landing; individual moments for inputs.
Loaded Stall
Calculates banked stall speed. Input: Unloaded stall
speed and unloaded mass. Output: Loaded stall speed.
Mass-Volume
Conversion
Performs standard conversion of masses / volumes to volumes / masses for
avgas', avtur and mineral oil. Input: Mass /
volume of avgas, avtur or mineral oil Output: Volume / mass of relevant
hydrocarbon.
Morse Code
Encodes and decodes morse. Input: Phrase to be
encoded/decoded. Output: Decoded/encoded phrase.
Outside Air
Temperature (OAT)
Calculates outside air temperature.
Input: Altitude, altimeter subscale (qnh), indicated air temperature (IAT),
either callibrated (CAS) or true air speed (TAS) and a recovery factor.
Output: Outside air temperature.
Propeller Tip
Velocity
Calculates the tangential velocity and mach number
at the propeller tip. Input: Propeller blade length, RPM and temperature. Output: Mach number at propeller tip and tangential velocity.
Propeller
Thrust
Calculates propeller thrust. Input: True air
speed (TAS), shaft HP and propeller efficiency. Output: Thrust.
Top of
Descent
Calculates top of descent. Input: S tarting
altitude, speed, and rate of descent. Output: Distance and time from
destination.
True Air
Speed (TAS)
Calculates true air speed. Input:
Altitude, altimeter subscale (qnh), temperature (OAT) and equivalent or
callibrated air speed (IAS). Output: True air speed.
U.T.C.
Performs standard time zone conversion. Input: Time/U.T.C.
and longitude. Output: U.T.C./time.
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