1. Advisory Circular on Criteria for issuance of Meteorological Special Observations and Reports
Document No.NCAA-AC-CMA(AEROMET)055

Advisory Circular on Criteria for issuance of Meteorological Special Observations and Reports
Effective Date: Tuesday, February 24, 2026

2. ADVISORY CRCULAR ON DEVELOPMENT OF TRAINING PROGRAMME FOR TECHNICAL STAFF PROVIDING METEOROLOGICAL SERVICES FOR AIR
Document No.NCAA-DAAS- 059

ADVISORY CRCULAR ON DEVELOPMENT OF TRAINING PROGRAMME FOR TECHNICAL STAFF PROVIDING METEOROLOGICAL SERVICES FOR AIR
Effective Date: Thursday, March 26, 2026

3. ADVISORY CRCULAR ON ELIMINATION OF DEFICIENCIES IN THE PROVISION OF AIR NAVIGATION SERVICES APPROVAL
Document No. NCAA-DAAS -057

ADVISORY CRCULAR ON ELIMINATION OF DEFICIENCIES IN THE PROVISION OF AIR NAVIGATION SERVICES APPROVAL
Effective Date: Thursday, March 26, 2026

4. ADVISORY CIRCULAR ON JOB DESCRIPTIONS FOR TECHNICAL STAFF PROVIDING METEOROLOGICAL SERVICES FOR AIR NAVIGATION
Document No. NCAA-DAAS-054

ADVISORY CIRCULAR ON JOB DESCRIPTIONS FOR TECHNICAL STAFF PROVIDING METEOROLOGICAL SERVICES FOR AIR NAVIGATION
Effective Date: Thursday, March 26, 2026

5. ADVISORY CIRCULAR ON GUIDANCE FOR THE LOCATION OF METEOROLOGICAL INSTRUMENTS AT AERODROMES
Document No.NCAA-DAAS- 050

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DVISORY CIRCULAR ON GUIDANCE FOR THE LOCATION OF METEOROLOGICAL
INSTRUMENTS AT AERODROMES
Effective Date: Thursday, December 18, 2025

6. ADVISORY CIRCULAR GUIDANCE ON THE SITING AND INSTALLATION OF WIND SENSORS AT THE AERODROMES
Document No.NCAA-DAAS - 056

ADVISORY CIRCULAR GUIDANCE ON THE SITING AND INSTALLATION OF WIND SENSORS AT THE AERODROMES
Effective Date: Thursday, March 26, 2026

7. ADVISORY CIRCULAR ON GUIDELINES FOR THE CALIBRATION AND MAINTENANCE OF NIMET EQUIPMENT AND SENSORS
Document No.NCA4-DAAS- 051

ADVISORY CIRCULAR ON GUIDELINES FOR THE CALIBRATION AND MAINTENANCE OF NIMET EQUIPMENT AND SENSORS

Effective Date: Thursday, December 18, 2025

8. ADVISORY CIRCULAR ON GUIDELINES FOR THE IMPLEMENTATION OF THE STANDARDS OF COMPETENCY FOR AERONAUTICAL METEOROLOGICAL PERSONNEL
Document No. NCA4-DAAS-O52

ADVISORY CIRCULAR ON GUIDELINES FOR THE IMPLEMENTATION OF THE STANDARDS OF COMPETENCY FOR AERONAUTICAL METEOROLOGICAL PERSONNEL
Effective Date: Thursday, December 18, 2025

9. ADVISORY CIRCULAR ON GUIDELINES FOR THE DEVELOPMENT OF AMSP MANUAL OF OPERATION
Document No.NCAA-DAAS-053

ADVISORY CIRCULAR ON GUIDELINES FOR THE DEVELOPMENT OF AMSP MANUAL OF OPERATION

Effective Date: Thursday, December 18, 2025

10. GUIDANCE ON AIRCRAFT EMERGENCY HANDLING
Document No.NCAA-DAAS-053

GUIDANCE ON AIRCRAFT EMERGENCY HANDLING 

Effective Date: Monday, February 2, 2026

11. GUIDANCE ON ATS INCIDENT REPORTING AND INVESTIGATION
Document No. NCAA-DAAS-066

GUIDANCE ON ATS INCIDENT REPORTING AND INVESTIGATION 

Effective Date: Monday, February 2, 2026

12. GUIDANCE ON CONTINGENCY SERVICES PROVIDERS PLANNING FOR AIR TRAFFIC
Document No.NCAA-DAAS-062

GUIDANCE ON CONTINGENCY SERVICES PROVIDERS PLANNING FOR AIR TRAFFIC
Effective Date: Monday, February 2, 2026

13. GUIDANCE ON CONTROL OF MOVEMENT OF PERSONS AND/OR VEHICLES INCLUDING TOWED AIRCRAFT ON THE MANOEUVRING AREA
Document No. NCAA-DAAS-069

GUIDANCE ON CONTROL OF  MOVEMENT OF PERSONS AND/OR VEHICLES INCLUDING TOWED AIRCRAFT ON THE MANOEUVRING AREA 

Effective Date: Monday, February 2, 2026

14. GUIDANCE ON DEVELOPMENT OF INSTRUMENT FLIGHT PROCEDURE DESIGN MANUAL OF OPERATIONS (MoO)
Document No.NCAA-DAAS-055

GUIDANCE ON DEVELOPMENT OF INSTRUMENT FLIGHT PROCEDURE DESIGN MANUAL OF OPERATIONS (MoO)

Effective Date: Monday, February 2, 2026

15. GUIDANCE ON DEVELOPMENT OF SAR MANUAL OF OPERATIONS (Mo O) FOR RESCUE COORDINATION CENTRE (RCC) / RESCUE SUB- CENTRE (RSC)
Document No.NCAA-DAAS-O56

GUIDANCE ON DEVELOPMENT OF SAR MANUAL OF OPERATIONS (MoO) FOR RESCUE COORDINATION CENTRE (RCC) / RESCUE SUB-CENTRE (RSC)

Effective Date: Monday, February 2, 2026

16. GUIDANCE ON INSTRUMENT FLIGHT PROCEDURE DESIGN (IFPD) CRITERIA AND VALIDATION
Document No. NCAA-DAAS-064

GUIDANCE ON INSTRUMENT FLIGHT PROCEDURE DESIGN (IFPD) CRITERIA AND VALIDATION

Effective Date: Monday, February 2, 2026

17. GUIDANCE ON PROFICIENCY ASSESSMENT FOR AIR TRAFFIC SERVICES PERSONNEL
Document No. NCAA-DAAS-068

GUIDANCE ON  PROFICIENCY ASSESSMENT FOR AIR TRAFFIC SERVICES PERSONNEL

Effective Date: Monday, February 2, 2026

18. GUIDANCE ON SAFETY RISK ASSESSMENT AND REPORTING FORMAT FOR AIR TRAFFIC SERVICE PROVIDERS
Document No.NCAA-DAAS-058

GUIDANCE ON SAFETY RISK ASSESSMENT AND REPORTING FORMAT FOR AIR TRAFFIC
SERVICE PROVIDERS
Effective Date: Monday, February 2, 2026

19. GUIDANCE ON THE DETERMINATION OF ATC CIRCULAR SECTOR CAPACITY
Document No.NCAA-DAAS-059

GUIDANCE ON THE DETERMINATION OF ATC CIRCULAR SECTOR CAPACITY

Effective Date: Monday, February 2, 2026

20. GUIDANCE ON DEVELOPMENT OF ANSP TRAINING PROGRAMME AND TRAINING PLAN FOR ATS, PANS-OPS AND SAR PERSONNEL
Document No.NCAA-DAAS-063

GUIDANCE ON DEVELOPMENT OF ANSP TRAINING PROGRAMME AND TRAINING PLAN FOR ATS, PANS-OPS AND SAR PERSONNEL

Effective Date: Monday, February 2, 2026

21. GUIDANCE ON DEVELOPMENT OF MANUAL OF OPERATIONS (MoO) FOR THE PROVISION OF ATS
Document No.NCAA-DAAS-054

GUIDANCE ON DEVELOPMENT OF MANUAL OF OPERATIONS (MoO) FOR THE PROVISION OF ATS

Effective Date: Monday, February 2, 2026

22. GUIDANCE ON THE DEVELOPMENT OF A POLICY AND PROCEDURE MANUAL FOR AIR TRAFFIC MANAGEMENT, SEARCH AND RESCUE, AND PROCEDURE FOR AIR NAVIGATION SERVICES-OPERATIONS PERSONNEL OF THE AIR NAVIGATION SERVICE PROVIDER
Document No.NCAA-DAAS-061

GUIDANCE ON THE DEVELOPMENT OF A POLICY AND PROCEDURE MANUAL FOR AIR TRAFFIC MANAGEMENT, SEARCH AND RESCUE, AND PROCEDURE FOR AIR NAVIGATION SERVICES-OPERATIONS PERSONNEL OF T…

Effective Date: Monday, February 2, 2026

23. GUIDANCE ON THE ESTABLISHMENT AND OPERATION OF CIRCULAR RESCUE COORDINATION CENTRES (RCC) AND RESCUE SUB-CENTRES (RSC)
Document No.NCAA-DAAS-057

GUIDANCE ON THE ESTABLISHMENT AND OPERATION OF CIRCULAR RESCUE COORDINATION CENTRES (RCC) AND RESCUE SUB-CENTRES (RSC)

Effective Date: Monday, February 2, 2026

24. GUIDANCE ON THE METHODOLOGY FOR THE IMPLEMENTATION OF A QUALITY MANAGEMENT SYSTEM (QMS) IN INSTRUMENT FLIGHT PROCEDURE DESIGN SERVICES (IFPDS)
Document No.NCAA-DAAS-065

GUIDANCE ON THE METHODOLOGY FOR THE IMPLEMENTATION OF A QUALITY MANAGEMENT 
SYSTEM (QMS) IN INSTRUMENT FLIGHT PROCEDURE DESIGN SERVICES (IFPDS)
Effective Date: Monday, February 2, 2026

25. PROCEDURES FOR CIRCULAR DETERMINING ATS SYSTEM CAPACITY AND AIR TRAFFIC FLOW MANAGEMENT IMPLEMENTATION
Document No.NCAA-DAAS-060

PROCEDURES FOR CIRCULAR DETERMINING ATS SYSTEM CAPACITY AND AIR TRAFFIC FLOW MANAGEMENT IMPLEMENTATION

Effective Date: Monday, February 2, 2026

26. ADVISORY CIRCULAR ON AERONAUTICAL RADIO FREQUENCY UTILIZATION
Document No.NCAA-AC-ANS(AET)003

ADVISORY CIRCULAR ON AERONAUTICAL RADIO FREQUENCY UTILIZATION

Effective Date: Thursday, February 26, 2026

27. FLIGHT INSPECTIONS AND CALIBRATION OF NAVIGATION AND LANDING AIDS.
Document No.NCAA-AC-ANS(AET)O09

FLIGHT INSPECTIONS AND CALIBRATION OF NAVIGATION AND LANDING AIDS.

Effective Date: Thursday, February 26, 2026

28. MINIMUM AIR NAVIGATION FACILITY EQUIPMENT LIST (MAN-FEL)
Document No.NCAA-AC- ANS(AET) 002

MINIMUM AIR NAVIGATION FACILITY EQUIPMENT LIST (MAN-FEL) 

Effective Date: Thursday, February 26, 2026

29. ADVISORY CIRCULAR ON TESTING OF SURVEILLANCE RADAR SYSTEMS.
Document No.NCAA-AC- ANS(AET) 007

ADVISORY CIRCULAR ON TESTING OF SURVEILLANCE RADAR  SYSTEMS.  

Effective Date: Thursday, February 26, 2026

30. ADVISORY CIRCULAR ON THREE - LETTER AND RADIO TELEPHONY DESIGNATOR.
Document No.NCAA-AC-ANS-(AET) 008

ADVISORY CIRCULAR ON THREE - LETTER AND RADIO TELEPHONY DESIGNATOR.

Effective Date: Thursday, February 26, 2026

31. SITING CRITERIA FOR AERONAUTIC TELECOMMUNICATION FACILITIES
Document No.NCAA-AC-ANS(AET)- 005

SITING CRITERIA FOR AERONAUTIC TELECOMMUNICATION FACILITIES

Effective Date: Thursday, February 26, 2026

32. GUIDANCE ON TESTING AND CHECKING OF RADIO NAVIGATION AIDS
Document No.NCAA-AC-ANS(AET)- 004

GUIDANCE ON TESTING AND CHECKING OF RADIO NAVIGATION AIDS 

Effective Date: Thursday, February 26, 2026

33. THE FIVE - PHASE EQUIPMENT CERTIFICATION PROCESS
Document No.NCAA-AC-ANS(AET)- 001

THE FIVE - PHASE EQUIPMENT CERTIFICATION PROCESS

Effective Date: Thursday, February 26, 2026