Aviation
Tools for planes, airports and flying: codes, weather, the standard atmosphere and flight calculators, each with its formulas and sources.
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Utilities
- Aircraft registration prefixesType a registration such as OH-LWA or N123AB to see its nationality mark and country., private, runs on your deviceEverydayReferenceFlying
- Airline codesFind any airline by its IATA or ICAO code, radio call sign or name: both codes, call sign, country and whether it still flies., private, runs on your deviceReferenceFlying
- Airport codesFind any airport by its IATA or ICAO code, name or city: codes, location, elevation and scheduled service., private, runs on your deviceReferenceFlying
- Airspeed converterIndicated, true and equivalent airspeed and Mach number at any altitude and temperature, with the 2% rule of thumb beside the exact answer., private, runs on your deviceCalculatorFlyingSpeedConverter
- Altimeter settingsAltitude on QNH, flight level and QFE side by side, with hPa ↔ inHg ↔ mmHg, the transition level, cruising levels and the cold-temperature correction., private, runs on your deviceCalculatorFlyingConverterTemperature
- Crosswind calculatorCrosswind and headwind or tailwind on any runway, with gusts, a runway diagram and your aircraft's crosswind limit., private, runs on your deviceCalculatorFlyingWeatherSpeed
- Density altitudePressure and density altitude of your airfield from elevation, QNH and temperature, with what the thin air means for take-off., private, runs on your deviceCalculatorFlyingWeatherTemperature
- Descent plannerTop of descent, vertical speed and time for a path angle or a descent rate, with the 3:1 rule beside the exact answer., private, runs on your deviceCalculatorFlyingSpeed
- Drone flight timeFlight time from the battery’s mAh and voltage or Wh and the average draw, with a landing reserve and the energy in Wh., private, runs on your deviceCalculatorFlyingEnergy
- Drone rulesThe EU drone category for your drone's weight and class label, with registration, training, age and distances from people., private, runs on your deviceCheckerFlyingWeight
- Flight arrival timeThe local landing time from the departure time and the hours in the air, across time zones, daylight saving time and the date line., private, runs on your deviceEverydayCalculatorFlying
- Flight delay compensationCheck EU 261 and UK 261: €250–600 or £220–520 for a late, cancelled or overbooked flight, with the reason., private, runs on your deviceCalculatorFlyingDistance
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- Luggage size checkerCheck a bag's height, width, depth and weight against any size limit, with the total L + W + H, a box drawing and centimetres or inches., private, runs on your deviceEverydayCalculatorFlyingLengthWeightVolume & capacity
- METAR and TAF decoderPaste an aviation weather report and read every group in plain words, with the flight category, humidity and density altitude., private, runs on your deviceReferenceWeatherFlyingEncoding
- Mode S address lookupType an aircraft's 24-bit Mode S or ADS-B address in hex, octal or binary to see the country block it belongs to., private, runs on your deviceReferenceFlyingConverter
- Squawk codesLook up any transponder code: the emergency codes 7500, 7600 and 7700, and the VFR and IFR codes country by country, with the rule that sets each one., private, runs on your deviceReferenceFlyingEncoding
- Standard atmosphere (ISA)The ICAO standard atmosphere at any altitude or flight level, on a standard day or a warmer or colder one., private, runs on your deviceCalculatorFlyingTemperatureWeather
- Wind triangle calculatorThe heading to fly, the wind correction angle and the ground speed for a course and wind, with the leg time, fuel and a drawn triangle., private, runs on your deviceCalculatorFlyingWeatherSpeed
- Zulu timeThe current Zulu time, and any Zulu time converted to local time and back, with the day-time group pilots use., private, runs on your deviceDate & timeConverterFlyingReference
Aviation tools explain the formulas and name their sources. They are for learning, simulators and curiosity, not for flight planning or navigation.
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