Document formats

What is the IGC format?

IGC — IGC Flight Log

IGC is the flight log format of gliders and paragliders: a GPS and pressure-altitude track defined by the International Gliding Commission.

R convert from IGC IGC Converter

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About the IGC format

The IGC format was set by the FAI's International Gliding Commission for flight recorders. An IGC file is plain text with a header (pilot, glider, recorder) and a fix every few seconds with position, GPS altitude and barometric altitude, and it is the file competitions and online contests accept.

Map and navigation apps do not read IGC. Converting it to GPX or KML shows the flight in Google Earth, on a map or in other software, and CSV gives the fixes as a table. Convert.Online reads IGC but does not write it.

Programs that open IGC

  • XCSoar
  • SeeYou
  • XContest
  • Google Earth (after conversion)
  • GPSBabel

What IGC is used for

  • Glider and paraglider flights
  • Competition and contest logs
  • Hang-gliding tracks

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