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NAVIGATIONAL WARNING TO ALL CONCERNED: 
REF (A) GREEK NOTAM A3634/26 (021113 EUECYIYN OCT 2026). 
REF (B) TURKISH NOTAM A4435/26 (021334 EUECYIYN OCT 2026). 
REF (C) TURKISH NOTAM A4397/26 (011202 EUECYIYN OCT 2026). 
REFERENCE IS MADE TO THE ABOVE REF (B) TURKISH NOTAM A4435/26 
LTAAYNYX IN ORDER TO STATE THAT THE ATHINAI/ISTANBUL FIR BOUNDARY 
BETWEEN POINTS 404500N0261000E AND 360500N0300000E HAS BEEN 
ESTABLISHED BY ICAO REGIONAL AGREEMENTS (REACHED IN THE SECOND 
MIDDLE EAST REGIONAL AIR NAVIGATION MEETING, ISTANBUL 1950 AND 
SUBSEQUENTLY APPROVED BY THE ICAO COUNCIL ON 14 DEC 1950, DOC 7055 
MID/2-RAC) WITH THE PARTICIPATION AND APPROVAL OF TURKIYE AND IN FEB 
1958, (DOC 7870, EUM/IV) AND CONSEQUENTLY IS FOUNDED ON THE FIRMEST 
POSSIBLE LEGAL BASIS AS NOTED IN OUR A1709/07 LGGGYNYX NOTAM. 
FURTHERMORE THE SAID ATHINAI/ISTANBUL FIR BOUNDARY WAS DEPICTED ON 
CHART NUMBER 7 ATTACHED TO THE REGIONAL AIR NAVIGATION AGREEMENT 
WHICH WAS REACHED IN THE THIRD REGIONAL AIR NAVIGATIONAL CONFERENCE 
(PARIS 1952) AND SUBSEQUENTLY APPROVED BY THE ICAO COUNCIL ON 23 
JUNE 1952. ACCORDINGLY, GREECE HAS BEEN ASIGNED RESPONSIBILITY FOR 
ALL ATM SERVICES AND ICAO PURPOSES AS WELL AS FOR SAR WITHIN 
ATHINAI FIR/ HELLAS UIR AND IS THE ONLY COMPETENT THEREIN. 
THEREFORE, THE DEFINITION OF EXERCISE OR SAR AREAS WITH REFERENCE 
TO THE AFOREMENTIONED ATHINAI/ISTANBUL FIR BOUNDARY, AS THIS 
BOUNDARY IS CLEARLY DEPICTED IN THE ICAO AERONAUTICAL CHARTS, IS A 
JUSTIFIED AND RIGHTFUL PRACTICE NOT LEAVING SPACE FOR MISLEADING OR 
MISINTERPRETATIONS. 
ON THE AFOREMENTIONED BASIS THE REF (A) GREEK NOTAM A3634/26 (021113 
EUECYIYN OCT 2026), STATED THAT WITH REFERENCE TO REF (C) TURKISH 
NOTAM A4397/26 (011202 EUECYIYN OCT 2026) A PART OF THE AREA AS 
DESCRIBED IN REF (A) GREEK NOTAM A3634/26, STRICTLY LIES WITHIN 
ATHINAI FIR OVERLAPS PART OF RODOS TMA AND GREEK NATIONAL AIRSPACE, 
WHERE THE ONLY COMPETENT AUTHORITY TO PROMULGATE NOTAMS ACCORDING TO 
ICAO RULES AND REGULATIONS IS THE HELLENIC AVIATION SERVICE PROVIDER 
(HASP). CONSEQUENTLY, THE REF (B) TURKISH NOTAM A4435/26 (021334 
EUECYIYN OCT 2026) HAS NO GROUND, CANNOT PRODUCE ANY INTERNATIONALLY 
LEGAL EFFECT WITHIN ATHINAI FIR / HELLAS UIR AND IS CONSIDERED NULL 
AND VOID. THE ONLY VALID AND EFFECTIVE NOTAM WITHIN ATHINAI FIR/ 
HELLAS UIR IS THE REF (A) GREEK NOTAM A3634/26 ISSUED BY GREECE.

icao text:

A3670/26 NOTAMN  Q) LGGG/QAFXX/IV/NBO/E /000/999/3705N02445E341  A) LGGG B) 2610050753 C) 2610090000 E) NAVIGATIONAL WARNING TO ALL CONCERNED:  REF (A) GREEK NOTAM A3634/26 (021113 EUECYIYN OCT 2026).  REF (B) TURKISH NOTAM A4435/26 (021334 EUECYIYN OCT 2026).  REF (C) TURKISH NOTAM A4397/26 (011202 EUECYIYN OCT 2026).  REFERENCE IS MADE TO THE ABOVE REF (B) TURKISH NOTAM A4435/26  LTAAYNYX IN ORDER TO STATE THAT THE ATHINAI/ISTANBUL FIR BOUNDARY  BETWEEN POINTS 404500N0261000E AND 360500N0300000E HAS BEEN  ESTABLISHED BY ICAO REGIONAL AGREEMENTS (REACHED IN THE SECOND  MIDDLE EAST REGIONAL AIR NAVIGATION MEETING, ISTANBUL 1950 AND  SUBSEQUENTLY APPROVED BY THE ICAO COUNCIL ON 14 DEC 1950, DOC 7055  MID/2-RAC) WITH THE PARTICIPATION AND APPROVAL OF TURKIYE AND IN FEB  1958, (DOC 7870, EUM/IV) AND CONSEQUENTLY IS FOUNDED ON THE FIRMEST  POSSIBLE LEGAL BASIS AS NOTED IN OUR A1709/07 LGGGYNYX NOTAM.  FURTHERMORE THE SAID ATHINAI/ISTANBUL FIR BOUNDARY WAS DEPICTED ON  CHART NUMBER 7 ATTACHED TO THE REGIONAL AIR NAVIGATION AGREEMENT  WHICH WAS REACHED IN THE THIRD REGIONAL AIR NAVIGATIONAL CONFERENCE  (PARIS 1952) AND SUBSEQUENTLY APPROVED BY THE ICAO COUNCIL ON 23  JUNE 1952. ACCORDINGLY, GREECE HAS BEEN ASIGNED RESPONSIBILITY FOR  ALL ATM SERVICES AND ICAO PURPOSES AS WELL AS FOR SAR WITHIN  ATHINAI FIR/ HELLAS UIR AND IS THE ONLY COMPETENT THEREIN.  THEREFORE, THE DEFINITION OF EXERCISE OR SAR AREAS WITH REFERENCE  TO THE AFOREMENTIONED ATHINAI/ISTANBUL FIR BOUNDARY, AS THIS  BOUNDARY IS CLEARLY DEPICTED IN THE ICAO AERONAUTICAL CHARTS, IS A  JUSTIFIED AND RIGHTFUL PRACTICE NOT LEAVING SPACE FOR MISLEADING OR  MISINTERPRETATIONS.  ON THE AFOREMENTIONED BASIS THE REF (A) GREEK NOTAM A3634/26 (021113  EUECYIYN OCT 2026), STATED THAT WITH REFERENCE TO REF (C) TURKISH  NOTAM A4397/26 (011202 EUECYIYN OCT 2026) A PART OF THE AREA AS  DESCRIBED IN REF (A) GREEK NOTAM A3634/26, STRICTLY LIES WITHIN  ATHINAI FIR OVERLAPS PART OF RODOS TMA AND GREEK NATIONAL AIRSPACE,  WHERE THE ONLY COMPETENT AUTHORITY TO PROMULGATE NOTAMS ACCORDING TO  ICAO RULES AND REGULATIONS IS THE HELLENIC AVIATION SERVICE PROVIDER  (HASP). CONSEQUENTLY, THE REF (B) TURKISH NOTAM A4435/26 (021334  EUECYIYN OCT 2026) HAS NO GROUND, CANNOT PRODUCE ANY INTERNATIONALLY  LEGAL EFFECT WITHIN ATHINAI FIR / HELLAS UIR AND IS CONSIDERED NULL  AND VOID. THE ONLY VALID AND EFFECTIVE NOTAM WITHIN ATHINAI FIR/  HELLAS UIR IS THE REF (A) GREEK NOTAM A3634/26 ISSUED BY GREECE.

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