The airport code for Norfolk Island Airport is NLK.
The airport code for Norfolk International Airport is ORF.
The airport code for Norfolk Regional Airport is OFK.
The airport code for Marco Island Airport is MRK.
The airport code for Middleton Island Airport is MDO.
The airport code for Orcas Island Airport is ESD.
The airport code for Mackinac Island Airport is MCD.
The airport code for Christmas Island Airport is XCH.
The airport code for Bird Island Airport is BDI.
The airport code for Murray Island Airport is MYI.
The airport code for Arorae Island Airport is AIS.
The airport code for Frégate Island Airport is FRK.
The airport code for Flinders Island Airport is FLS.