==Introduction==This is a list of commonly Used Abbreviation in Hong Kong '''IVAO ATC ''' Environment 

| Example ATC || ExampleAir Traffic Control(er)|-| ATM || Air Traffic Management|-| ACC || Area Control Center|-| ATCU || Air Traffic Control Center|-| RWY || Runway

| Example TFC || ExampleTraffic

| Example WEF || ExampleWith Effective From

| Example APV || ExampleApprove / Approved

| Example TKOF || ExampleTake Off

| Example LDG || ExampleLanding

| Example CLR || ExampleClear(s) or cleared to . . . or clearance

| Example CLRD || ExampleRunway(s) cleared (used in METAR)

| Example CLSD || ExampleClosed|-| CMB || Climb to or climbing to |}