NAVTEX & NOTAM

[Jay]

NAVTEX (Navigational Telex) is an international automated system used to broadcast maritime safety information to ships. Messages include navigational warnings, weather alerts, and security notices. Coastal states transmit NAVTEX messages through designated stations (e.g., İzmir NAVTEX) under coordination with naval or maritime authorities.

NAVTEX messages follow a standardized structure: a header, location, message body, validity period, and a termination signal.

ZCZC [B1B2B3B4]

[GEOGRAPHIC AREA]
[COUNTRY]

[SUBJECT LINE – e.g., NAVIGATION WARNING / SECURITY NOTICE]

[MAIN MESSAGE TEXT]
- Description of hazard, restriction, or activity
- Coordinates (in degrees and minutes)
- Instructions to mariners
- Authority (optional but often implied)

[OPTIONAL: ADDITIONAL INSTRUCTIONS]
- Communication channels (e.g., VHF CH 16)
- Reporting requirements

THIS MESSAGE IS EFFECTIVE FROM [DDHHMMZ MON YYYY] TO [DDHHMMZ MON YYYY].

CANCEL THIS MESSAGE [DDHHMMZ MON YYYY].

NNNN

A NOTAM (Notice to Air Missions) is an official aviation notice used to inform pilots and operators about hazards, restrictions, or changes affecting airspace and aerodromes. NOTAMs are issued by the national aviation authorities and distributed globally through ICAO systems.


NOTAMs use a highly structured ICAO format designed for rapid parsing by pilots and flight systems.

[NOTAM NUMBER] NOTAM[N/R/C]

Q) [FIR]/[Q-CODE]/[TRAFFIC]/[PURPOSE]/[SCOPE]/[LOWER]/[UPPER]/[COORDINATES RADIUS]

A) [FIR OR AERODROME]
B) [START DATE/TIME – YYMMDDHHMM]
C) [END DATE/TIME – YYMMDDHHMM or PERM]

E) [FREE TEXT DESCRIPTION]
- Nature of restriction or hazard
- Coordinates (if applicable)
- Operational limitations
- Exceptions and permissions
- Instructions to pilots

F) [LOWER LIMIT – e.g., SFC]
G) [UPPER LIMIT – e.g., FL660]

 

[Jay]

PUBLIC NOTICE​ ​

NAVTEX NOTICE​ ZCZC IA45 AEGEAN SEA Türkiye OLYMPIC SECURITY ZONE ESTABLISHED IN SUPPORT OF INTERNATIONAL SPORTING EVENT. ALL VESSELS ARE ADVISED THAT A TEMPORARY SECURITY AREA HAS BEEN ESTABLISHED IN THE AEGEAN SEA BOUNDED BY: 1. 40.62583, 25.3438 2. 339.4822, 24.58575 3. 37.7907, 25.65598 4. 36.74154, 26.2822 5. 35.25729, 26.83152 6. 38.21489, 26.7656 7. 39.56695, 26.90386 8. 40.63417, 26.72808 9. 40.62583, 25.3438 WITHIN THIS AREA: 1. UNAUTHORIZED VESSELS ARE PROHIBITED. 2. TRANSIT IS SUBJECT TO PRIOR PERMISSION FROM TURKISH AUTHORITIES. 3. VESSELS MAY BE CHALLENGED, BOARDED, OR ESCORTED. 4. ALL VESSELS MUST MAINTAIN CONTINUOUS RADIO WATCH ON VHF CHANNEL 16. THIS MEASURE IS EFFECTIVE FROM 010600Z JUL 2008 TO 312359Z AUG 2008. CANCEL THIS MESSAGE 010100Z AUG 2008. NNNN

NOTAM NOTICE A5678/26 NOTAMN Q) LTAA/QWALW/IV/BO/W/000/999/3830N02630E120 A) LTAA B) 2607010400 C) 2609012359 E) OLYMPIC SECURITY AIRSPACE ESTABLISHED OVER AEGEAN REGION DUE TO INTERNATIONAL SPORTING EVENT. A TEMPORARY RESTRICTED AREA (TRA) IS HEREBY ESTABLISHED WITHIN THE FOLLOWING COORDINATES: 1. 40.62583, 25.3438 2. 339.4822, 24.58575 3. 37.7907, 25.65598 4. 36.74154, 26.2822 5. 35.25729, 26.83152 6. 34.43683, 28.99583 7. 34.78044, 31.84129 8. 36.32664, 30.27024 9. 36.65345, 27.33689 10. 38.21489, 26.7656 11. 39.56695, 26.90386 12. 40.63417, 26.72808 13. 40.62583, 25.3438 THENCE CLOCKWISE TO POINT OF ORIGIN. RESTRICTIONS APPLY AS FOLLOWS: 1. ALL NON-SCHEDULED CIVIL FLIGHTS ARE PROHIBITED WITHOUT PRIOR AUTHORIZATION. 2. SCHEDULED COMMERCIAL AIR TRAFFIC MAY BE SUBJECT TO ROUTING, ALTITUDE, AND ATC SLOT RESTRICTIONS. 3. HUMANITARIAN, AND OLYMPIC-ACCREDITED FLIGHTS ARE EXEMPT SUBJECT TO TURKISH ATC CLEARANCE. 4. ALL UAV / RPAS OPERATIONS ARE STRICTLY PROHIBITED WITHIN THE AREA. 5. AIRCRAFT FAILING TO COMPLY MAY BE SUBJECT TO INTERCEPTION IN ACCORDANCE WITH ICAO ANNEX 2. PILOTS SHALL MAINTAIN CONTINUOUS TWO-WAY RADIO COMMUNICATION WITH ATC AND MONITOR EMERGENCY FREQUENCY 121.5 MHZ. FURTHER DETAILS AVAILABLE VIA AIP SUPPLEMENT AND ATC UNITS. F) SFC G) FL660​

NAVTEX Maritime Zone (Pink) NOTAM Air Notice (Pink and Red)​