1. LIST OF ADVISORY CIRCULARS
Document No.LIST OF ADVISORY CIRCULARS

LIST OF ADVISORY CIRCULARS 

Effective Date: Saturday, October 25, 2025

2. CERTIFICATION OF APPROVED TRAINING ORGANIZATION TO CONDUCT AIRCRAFT MAINTENANCE ENGINEERS COURSES
Document No.GEN-AC-AWS001

CERTIFICATION OF APPROVED TRAINING ORGANIZATION TO CONDUCT AIRCRAFT 
MAINTENANCE ENGINEERS COURSES
Effective Date: Monday, April 10, 2023

3. AIRCRAFT WEIGHT AND BALANCE SCHEDULE REPORT
Document No.GEN-AC-AWS002

AIRCRAFT WEIGHT AND BALANCE SCHEDULE REPORT

Effective Date: Monday, April 10, 2023

4. DISPOSAL OF SCRAPPED AIRCRAFT PARTS
Document No.GEN-AC-AWS003

DISPOSAL OF SCRAPPED AIRCRAFT PARTS 

Effective Date: Monday, April 10, 2023

5. PROPER USAGE OF PARTS REMOVED FROM AN AIRCRAFT NO LONGER IN SERVICE OR PARTS RECOVERED FROM AN AIRCRAFT INVOLVED IN AN ACCIDENT
Document No.GEN-AC-AWS004

PROPER USAGE OF PARTS REMOVED FROM AN AIRCRAFT NO LONGER IN SERVICE OR PARTS 
RECOVERED FROM AN AIRCRAFT INVOLVED IN AN ACCIDENT.
Effective Date: Monday, April 10, 2023

6. AIRCRAFT TYPE CERTIFICATE ACCEPTANCE FOR AIRCRAFT THAT WERE IMPORTED INTO FEDERAL REPUBLIC OF NIGERIA AND FIRST CERTIFICATE OF AIRWORTHINESS ISSUED PRIOR TO AND POST ENACTMENT OF CIVIL AVIATION ACT 2006
Document No.GEN-AC-AWS005

AIRCRAFT TYPE CERTIFICATE ACCEPTANCE FOR AIRCRAFT THAT WERE IMPORTED INTO FEDERAL REPUBLIC OF NIGERIA AND FIRST CERTIFICATE OF AIRWORTHINESS ISSUED PRIOR TO AND POST 
ENACTMENT OF CIVIL AVIATION A…
Effective Date: Monday, April 10, 2023

7. GUIDANCE ON REGISTRATION OF SUPPLIERS OF AIRCRAFT PARTS, COMPONENTS AND MATERIALS USED IN MAINTENANCE
Document No.GEN-AC-DAWS006

GUIDANCE ON REGISTRATION OF SUPPLIERS OF AIRCRAFT PARTS, COMPONENTS AND MATERIALS USED IN MAINTENANCE

Effective Date: Monday, April 10, 2023

8. GUIDANCE ON MAINTAINING THE EFFECTIVENESS OF ENHANCED GROUND PROXIMITY WARNING SYSTEM (EGPWS)
Document No.GEN-AC-AWS007

GUIDANCE ON MAINTAINING THE EFFECTIVENESS OF ENHANCED GROUND 
PROXIMITY WARNING SYSTEM (EGPWS) 
Effective Date: Monday, April 10, 2023

9. REGISTRATION OF AIRCRAFT
Document No.NCAA-AC-AWS001

REGISTRATION OF AIRCRAFT

Effective Date: Sunday, September 10, 2023

10. PROCEDURES FOR RECORDATION OF IDERA AND DE-REGISTRATION OF AIRCRAFT UNDER AN IDERA
Document No.NCAA-AC-AWS001A

PROCEDURES FOR RECORDATION OF IDERA AND DE-REGISTRATION OF AIRCRAFT UNDER AN IDERA

Effective Date: Wednesday, October 16, 2024

11. ISSUE OF A CERTIFICATE OF AIRWORTHINESS
Document No.NCAA-AC-AWS002

ISSUE OF A CERTIFICATE OF AIRWORTHINESS

Effective Date: Monday, April 10, 2023

12. CERTIFICATE OF AIRWORTHINESS – RENEWAL
Document No.NCAA-AC-AWS002A

CERTIFICATE OF AIRWORTHINESS – RENEWAL

Effective Date: Monday, April 10, 2023

13. AIRCRAFT MAINTENANCE PROGRAMME - COMMERCIAL AIR OPERATORS
Document No.NCAA-AC-AWS003

AIRCRAFT MAINTENANCE PROGRAMME - COMMERCIAL AIR OPERATORS

Effective Date: Thursday, October 30, 2025

14. AIRCRAFT MAINTENANCE PROGRAMME – GENERAL AVIATION
Document No.NCAA-AC-AWS003A

AIRCRAFT MAINTENANCE PROGRAMME – GENERAL AVIATION

Effective Date: Monday, April 10, 2023

15. ANALYSIS OF THE EFFECTIVENESS OF AIRCRAFT MAINTENANCE PROGRAMME
Document No.NCAA-AC-AWS003B

ANALYSIS OF THE EFFECTIVENESS OF AIRCRAFT MAINTENANCE PROGRAMME

Effective Date: Monday, April 10, 2023

16. APPLICATION OF HUMAN FACTORS PRINCIPLES IN THE DESIGN AND APPLICATION OF AIRCRAFT MAINTENANCE PROGRAMME, MAINTENANCE CONTROL MANUAL AND OTHER MANUALS
Document No.NCAA-AC-AWS003C

APPLICATION OF HUMAN FACTORS PRINCIPLES IN THE DESIGN AND APPLICATION OF AIRCRAFT MAINTENANCE PROGRAMME, MAINTENANCE CONTROL MANUAL AND OTHER MANUALS

Effective Date: Monday, April 10, 2023

17. RESTRICTED CERTIFICATE OF AIRWORTHINESS EXPORT CERTIFICATE OF AIRWORTHINESS AND SPECIAL FLIGHT PERMIT
Document No.NCAA-AC-AWS004

RESTRICTED CERTIFICATE OF AIRWORTHINESS EXPORT CERTIFICATE OF 
AIRWORTHINESS AND SPECIAL FLIGHT PERMIT 
Effective Date: Monday, April 10, 2023

18. MAINTENANCE PROCEDURES MANUAL (MPM) DEVELOPMENT
Document No.NCAA-AC–AWS006

MAINTENANCE PROCEDURES MANUAL (MPM) DEVELOPMENT

Effective Date: Monday, April 10, 2023

19. CERTIFICATION OF APPROVED MAINTENANCE ORGANISATION DOMESTIC
Document No. NCAA-AC-AWS007

CERTIFICATION OF APPROVED MAINTENANCE ORGANISATION DOMESTIC

Effective Date: Thursday, October 30, 2025

20. TECHNICAL STORES MANAGEMENT
Document No.NCAA-AC- AWS007A

TECHNICAL STORES MANAGEMENT

Effective Date: Monday, April 10, 2023

21. CERTIFICATION OF A FOREIGN APPPOVED MAINTENANCE ORGANISATION (AMO)
Document No.NCAA-AC-AWS007B

CERTIFICATION OF A FOREIGN APPPOVED MAINTENANCE 
ORGANISATION (AMO)
Effective Date: Monday, April 10, 2023

22. MAINTENANCE CONTROL MANUAL (MCM)
Document No.NCAA-AC–AWS009

MAINTENANCE CONTROL MANUAL (MCM)

Effective Date: Monday, April 10, 2023

23. DEVELOPMENT OF A MAINTENANCE CONTRACT
Document No.NCAA- AC-AWS 013

DEVELOPMENT OF A MAINTENANCE CONTRACT 

Effective Date: Monday, April 10, 2023

24. MODIFICATIONS AND REPAIRS
Document No.NCAA-AC-AWS014

MODIFICATIONS AND REPAIRS 

Effective Date: Saturday, September 2, 2023

25. MAINTENANCE CONTROL BY RELIABILITY METHODS
Document No.NCAA-AC-AWS015

MAINTENANCE CONTROL BY RELIABILITY METHODS

Effective Date: Monday, April 10, 2023

26. Storage, Handling and Quality Control of Aviation Fuel at Aerodromes
Document No.NCAA-AC-AWS020

Storage, Handling and Quality Control of Aviation Fuel at Aerodromes

Effective Date: Monday, April 10, 2023

27. GUIDELINES AND REQUIREMENTS FOR AIRCRAFT TYPE CERTIFICATE ACCEPTANCE IN NIGERIA
Document No.NCAA-AC-AWS022

GUIDELINES AND REQUIREMENTS FOR AIRCRAFT TYPE CERTIFICATE 
ACCEPTANCE IN NIGERIA
Effective Date: Friday, September 1, 2023

28. TRAINING PROGRAMME APPROVAL PROCESS - AMO
Document No.NCAA-AC-AWS029

TRAINING PROGRAMME APPROVAL PROCESS - AMO

Effective Date: Monday, April 10, 2023

29. CERTIFICATION AND APPROVAL OF CONTINUING AIRWORTHINESS MANAGEMENT ORGANISATION
Document No.NCAA-AC-AWS030

CERTIFICATION AND APPROVAL OF CONTINUING AIRWORTHINESS MANAGEMENT   ORGANISATION 

Effective Date: Monday, April 10, 2023

30. PROCEDURES FOR REPORTING SUSPECTED UNAPPROVED PARTS
Document No. NCAA-AC-AWS0032

PROCEDURES FOR REPORTING SUSPECTED UNAPPROVED PARTS

Effective Date: Monday, September 4, 2023

31. Reduced Vertical Separation Minima (RVSM) Approval
Document No.NCAA-AC-AWS33

Reduced Vertical Separation Minima (RVSM) Approval

Effective Date: Monday, April 10, 2023

32. AIRWORTHINESS DIRECTIVE MANAGEMENT PROCESS
Document No.NCAA-AC-AWS042

AIRWORTHINESS DIRECTIVE MANAGEMENT PROCESS

Effective Date: Monday, April 10, 2023

33. TRAINING, QUALIFICATION AND CERTIFICATION OF NON-DESTRUCTIVE TESTING PERSONNEL OF AIRCRAFT, ENGINES, COMPONENTS AND MATERIALS
Document No. NCAA-AC-AWS057

TRAINING, QUALIFICATION AND CERTIFICATION OF NON-DESTRUCTIVE TESTING PERSONNEL OF AIRCRAFT, ENGINES, COMPONENTS AND MATERIALS

Effective Date: Thursday, October 30, 2025

34. ISSUANCE / ACCPTANCE OF SUPPLEMENTAL TYPE CERTIFICATE
Document No.NCAA-AC-AWS059

ISSUANCE / ACCPTANCE OF SUPPLEMENTAL TYPE CERTIFICATE 

Effective Date: Monday, April 10, 2023

35. REMOTELY PILOTED AIRCRAFT (RPA) OPERATIONS, DESIGN SPECIFICATION, MAINTENANCE AND TRAINING OF HUMAN RESOURCES FOR OPERATIONS IN NIGERIAN AIRSPACE.
Document No.NCAA- AC-AWS061 

REMOTELY PILOTED AIRCRAFT (RPA) OPERATIONS, DESIGN SPECIFICATION, MAINTENANCE AND TRAINING OF HUMAN RESOURCES FOR OPERATIONS IN NIGERIAN AIRSPACE.

Effective Date: Monday, April 10, 2023

36. AIRCRAFT TYRE MAINTENANCE AND OPERATIONAL PRACTICES
Document No. NCAA-AC-AWS065

AIRCRAFT TYRE MAINTENANCE AND OPERATIONAL PRACTICES 

Effective Date: Tuesday, December 30, 2025

37. PAINTING REQUIREMENT FOR AIRCRAFT
Document No.NCAA-AC-AWS066 

PAINTING REQUIREMENT FOR AIRCRAFT

Effective Date: Tuesday, December 30, 2025