(N0179/26 NOTAMN Q) LCEN/XXXX//////  A) LCEN B) 2606020500 C) 2606302100 E) NAVIGATIONAL WARNING TO ALL CONCERNED:  REFERENCE IS MADE TO THE NOTAM A0606/26 ISSUED BY THE GREEK CYPRIOT  ADMINISTRATION OF SOUTHERN CYPRUS CONCERNING LCTSA9.   WE WOULD LIKE TO STATE THAT THE GOVERNMENT OF THE TURKISH REPUBLIC  OF NORTHERN CYPRUS IS THE ONLY LEGITIMATE AND COMPETENT AUTHORITY TO  PROVIDE AIR TRAFFIC AND AERONAUTICAL INFORMATION SERVICES WITHIN THE  LIMITS OF ERCAN ADVISORY AIRSPACE.  THEREFORE THE NOTAM A606/26 ISSUED BY THE GREEK CYPRIOT  ADMINISTRATION OF SOUTHERN CYPRUS SHOULD BE CONSIDERED NULL AND VOID)