id	keyword
app01-10621	aircraft
app01-10621	traffic
app01-10621	routes
app01-10621	flight
app01-10621	points
app01-10621	approach
app01-10621	lkpr
app01-10621	restrictions
app01-10621	arrival
app01-10621	departure
app01-10621	prague
app01-10621	altitude
app01-10621	level
app01-10621	descent
app01-10621	operations