Welcome to aviation.ch
Find here a lot of aviation related online-tools to lookup or calculate all kind of stuff. All you need is your browser to make them work. Online Calculators-
JAR Medical Calculator
To keep aviation safe, health standards must be determined and maintained for all pilots. Calculate online the validity/expiration of your JAR medical. -
Logbook time calculator
This calculator help to easily sum up times in the hh:mm format. -
Convert units of measurement
such as Temperature, Length and many others often encountered in aviation and engineering.