Aviation Tool is an app with small tools for your flights. If you find a bug or if you have some suggestions /wishes for an improvement I would appreciate if you wolud send me a mail. Please remind that I can´t answer on remarks which you make at the market. Features: - Unit Converter - Extra Fuel Calculator - Crosswind Calculator - Met Calculator ~ Min useable Flight Level ~ Deviation from ISA ~ Density Altitude ~ Relative Humidity - Navigation Calculator ~ Wind direction / speed ~ Heading, Groundspeed, WCA ~ Course, Groundspeed, WCA ~ Non Precession Approach Calculator - Airport Information with weather, google map (you need IATA / ICAO dictionary for it) - Notams - Weather query (NOAA) - Snowtam Decoder - Aviation abbreviations - Volmet Frequencies (Europe andNort Africa)