if ( Airfields[0][0] == 1 )
{
}
//or
if ( Airfields[1][0] == 1 )
{
}
the first number in the [ ] is the "row" its starts from 0! second in [ ] is the "element" like in the first line the first "element" 0 is 1471.412 the second 1 is 1483.09 here the counting also starts from 0! If you don't understand I will explain a bit more