Adding an Airport
To add a new airport, select Airports menu item in INFO
To start adding – press
Start entering the information
The obligatory information should be added
Airport name
Category
ICAO/IATA – might be left empty
Coordinates – to see the correct location of the airport on the maps
Time zone – shoud be written without gaps, with slash. Helps system to canculate proper time and summer/winter time changes. Information can be taken from neighboring airports in the same timezone or from websites
http://www.timezoneconverter.com/
http://www.zeitverschiebung.net/