1. INSPECTOR HANDBOOK CHAPTER TABLE OF CONTENT
Document No.LIST OF CHAPTER

INSPECTOR HANDBOOK CHAPTER TABLE OF CONTENT 

Effective Date: Tuesday, December 30, 2025

2. PROCEDURES FOR ISSUANCE OF AIRCRAFT CERTIFICATE OF REGISTRATION, RESERVATION OF REGISTRATION MARKS AND DE-REGISTRATION OF AIRCRAFT
Document No.CHAPTER 1

PROCEDURES FOR ISSUANCE OF AIRCRAFT CERTIFICATE OF REGISTRATION, RESERVATION OF REGISTRATION MARKS AND DE-REGISTRATION OF AIRCRAFT

Effective Date: Friday, September 1, 2023

3. Issue of a Certificate of Airworthiness
Document No.CHAPTER 2 


Issue of a Certificate of Airworthiness
Effective Date: Saturday, September 2, 2023

4. EVALUATING A CONTINUOUS MAINTENANCE PROGRAMME
Document No.CHAPTER 3


EVALUATING A CONTINUOUS MAINTENANCE PROGRAMME
Effective Date: Monday, April 10, 2023

5. SPECIAL FLIGHT PERMIT
Document No.CHAPTER 4


SPECIAL FLIGHT PERMIT 
Effective Date: Monday, April 10, 2023

6. AIRWORTHINESS APPROVALS FOR EXPORTS
Document No.CHAPTER 5


AIRWORTHINESS APPROVALS FOR EXPORTS
Effective Date: Monday, April 10, 2023

7. Evaluation and Approval of a Maintenance Procedures Manual
Document No.CHAPTER 6


Evaluation and Approval of a Maintenance Procedures Manual 
Effective Date: Monday, April 10, 2023

8. CHAPTER 7 Certification and Approval of Maintenance Organizations
Document No.CHAPTER 7


Certification and Approval of Maintenance Organizations
Effective Date: Monday, October 30, 2023

9. Inspection and Evaluation of AMO Facilities and Equipment
Document No.CHAPTER 7A

Inspection and Evaluation of AMO Facilities and Equipment

Effective Date: Monday, April 10, 2023

10. AVIATION SAFETY INSPECTOR GUIDE CERTIFICATION OF FOREIGN APPROVED MAINTENANCE ORGANIZATION.
Document No.CHAPTER 7B


CERTIFICATION OF FOREIGN APPROVED MAINTENANCE ORGANIZATION.
Effective Date: Monday, April 10, 2023

11. Evaluation and Approval of Maintenance Control Manual
Document No.CHAPTER 9


Evaluation and Approval of Maintenance Control Manual 
Effective Date: Monday, April 10, 2023

12. Evaluation and Approval of a Maintenance Quality Assurance System
Document No.CHAPTER 10


Evaluation and Approval of a Maintenance Quality Assurance System
Effective Date: Monday, April 10, 2023

13. INTERNAL QUALITY ASSURANCE PROGRAMME.
Document No.CHAPTER 11

INTERNAL QUALITY ASSURANCE PROGRAMME.

Effective Date: Monday, April 10, 2023

14. Evaluating a Short-Term Maintenance Escalation For Approval
Document No.CHAPTER 12


Evaluating a Short-Term Maintenance Escalation For Approval
Effective Date: Monday, April 10, 2023

15. Evaluation of Maintenance Contract Between Air Operators and Approved Maintenance Organisations
Document No.CHAPTER 13


Evaluation of Maintenance Contract Between Air Operators and Approved  Maintenance Organisations
Effective Date: Monday, April 10, 2023

16. Approval of the Embodiment of Modifications and Repairs
Document No.CHAPTER 14


Approval of the Embodiment of Modifications and Repairs  
Effective Date: Friday, September 1, 2023

17. Reliability Programme Approval
Document No.CHAPTER 15


Reliability Programme Approval 
Effective Date: Monday, April 10, 2023

18. CONDUCT OF AN ACCIDENT INVESTIGATION
Document No.CHAPTER 16

CONDUCT OF AN ACCIDENT INVESTIGATION

Effective Date: Monday, April 10, 2023

19. CONDUCT OF AN INCIDENT INVESTIGATION
Document No.CHAPTER 17


CONDUCT OF AN INCIDENT INVESTIGATION
Effective Date: Monday, April 10, 2023

20. PROCESSING OCCURRENCE REPORTS
Document No.CHAPTER 18


PROCESSING OCCURRENCE REPORTS
Effective Date: Monday, April 10, 2023

21. Civil Aviation Safety Inspector Qualifications Training and Duties - Airworthiness Inspectors
Document No.CHAPTER 19

Civil Aviation Safety Inspector Qualifications Training and Duties - Airworthiness Inspectors

Effective Date: Monday, April 10, 2023

22. INSPECTION OF AVIATION FUEL SUPPLIERS FACILITIES AND EQUIPMENT.
Document No.CHAPTER 20


INSPECTION OF AVIATION FUEL SUPPLIERS FACILITIES AND EQUIPMENT.
Effective Date: Monday, April 10, 2023

23. PROCEDURES FOR MAINTENANCE SPOT (WORK IN PROGRESS) INSPECTIONS
Document No.CHAPTER 21


PROCEDURES FOR MAINTENANCE SPOT (WORK IN PROGRESS) INSPECTIONS 
Effective Date: Monday, April 10, 2023

24. ACCEPTANCE OF AIRCRAFT TYPE CERTIFICATES ISSUED BY OTHER STATES
Document No.CHAPTER 22


ACCEPTANCE OF AIRCRAFT TYPE CERTIFICATES ISSUED BY OTHER STATES 
Effective Date: Saturday, September 2, 2023

25. CONTINUING SURVEILLANCE
Document No.CHAPTER 23


CONTINUING SURVEILLANCE 
Effective Date: Monday, April 10, 2023

26. REVIEWING, ACCEPTING AND APPROVING MANUALS
Document No.CHAPTER 24


 
REVIEWING, ACCEPTING AND APPROVING MANUALS 
Effective Date: Monday, April 10, 2023

27. PROCEDURES FOR THE ACCEPTANCE AND ISSUANCE OF AIRCRAFT NOISE CERTIFICATES.
Document No.CHAPTER 25

PROCEDURES FOR THE ACCEPTANCE AND ISSUANCE OF AIRCRAFT NOISE CERTIFICATES. 

Effective Date: Monday, April 10, 2023

28. AVIATION SAFETY INSPECTOR GUIDE EVALUATE FOREIGN- REGISTERED AIRCRAFT OPERATED BY NIGERIAN OPERATORS.
Document No.CHAPTER 26

 AVIATION SAFETY  INSPECTOR GUIDE  EVALUATE FOREIGN- REGISTERED AIRCRAFT OPERATED BY NIGERIAN  OPERATORS.

Effective Date: Monday, April 10, 2023

29. AIR OPERATOR CERTIFICATION/VARIATION AND RENEWAL-AIRWORTHINESS ASPECTS
Document No.CHAPTER 27


AIR OPERATOR CERTIFICATION/VARIATION AND RENEWAL-AIRWORTHINESS 
ASPECTS
Effective Date: Monday, April 10, 2023

30. Evaluation and Approval of an Aviation Training Organization
Document No.CHAPTER 28


Evaluation and Approval of an Aviation Training Organization
Effective Date: Monday, April 10, 2023

31. TRAINING PROGRAMME APPROVAL PROCESS
Document No.CHAPTER 29


TRAINING PROGRAMME APPROVAL PROCESS 
Effective Date: Monday, April 10, 2023

32. CERTIFICATION AND APPROVAL OF CONTINUING AIRWORTHINESS MANAGEMENT ORGANISATION
Document No.CHAPTER 30


CERTIFICATION AND APPROVAL OF CONTINUING AIRWORTHINESS MANAGEMENT ORGANISATION 
Effective Date: Monday, April 10, 2023

33. CONTINUING AIRWORTHINESS MANAGEMENT EXPOSITION (CAME)
Document No.CHAPTER 31


CONTINUING AIRWORTHINESS MANAGEMENT EXPOSITION (CAME)
Effective Date: Monday, April 10, 2023

34. PROCEDURES FOR REPORTING SUSPECTED UNAPPROVED PARTS (SUP)
Document No.CHAPTER 32


PROCEDURES FOR REPORTING SUSPECTED UNAPPROVED PARTS (SUP) 
Effective Date: Monday, September 4, 2023

35. REDUCED VERTICAL SEPARATION MINIMA (RVSM) AIRSPACE APPROVAL (TECHNICAL REQUIREMENTS)
Document No.CHAPTER 33


REDUCED VERTICAL SEPARATION MINIMA (RVSM) AIRSPACE  APPROVAL (TECHNICAL REQUIREMENTS) 
Effective Date: Monday, April 10, 2023

36. EVALUATE EXTENDED DIVERSION TIME OPERATIONS (EDTO)
Document No.CHAPTER 34


EVALUATE EXTENDED DIVERSION TIME OPERATIONS (EDTO)
Effective Date: Monday, September 4, 2023

37. EVALUATION OF AOC HOLDERS FOR AUTHORISATION TO CONDUCT OPERATIONS IN SPECIAL NAVIGATION AREAS OF OPERATION (MNPS, RVSM, RNP-10 E.T.C)
Document No.CHAPTER 35

EVALUATION OF AOC HOLDERS FOR AUTHORISATION TO CONDUCT OPERATIONS IN SPECIAL NAVIGATION AREAS OF OPERATION (MNPS, RVSM, RNP-10 E.T.C)

Effective Date: Monday, April 10, 2023

38. ISSUE AND RENEWAL OF MAINTENANCE CLEARANCE CERTIFICATE
Document No.CHAPTER 36

ISSUE AND RENEWAL OF MAINTENANCE CLEARANCE CERTIFICATE 

Effective Date: Monday, April 10, 2023

39. INSPECTION OF OPERATOR’ S CONTINUOUS AIRWORTHINESS MAINTENANCE PROGRAMME RECORDS
Document No.CHAPTER 37

INSPECTION OF OPERATOR’ S CONTINUOUS AIRWORTHINESS MAINTENANCE PROGRAMME RECORDS 

Effective Date: Monday, April 10, 2023

40. EVALUATION OF CATEGORY I/II/III LANDING MINIMUM MAINTENANCE/INSPECTION PROGRAMMES
Document No.CHAPTER 38

 EVALUATION OF CATEGORY I/II/III LANDING MINIMUM MAINTENANCE/INSPECTION PROGRAMMES

Effective Date: Tuesday, September 5, 2023

41. GROUNDING OF OPERATOR'S AIRCRAFT
Document No.CHAPTER 39

GROUNDING OF OPERATOR'S AIRCRAFT 

Effective Date: Monday, April 10, 2023

42. GUIDELINES ON THE IMPLEMENTATION OF ARTICLE 83bis
Document No.CHAPTER 40

GUIDELINES ON THE IMPLEMENTATION OF ARTICLE 83bis

Effective Date: Friday, September 1, 2023

43. GENERAL AVIATION OPERATOR’S CONTINUING AIRWORTHINESS RECORDS
Document No.CHAPTER 41


GENERAL AVIATION OPERATOR’S CONTINUING AIRWORTHINESS RECORDS 
Effective Date: Monday, April 10, 2023

44. PROCEDURES FOR ISSUANCE OF AIRWORTHINESS DIRECTIVES
Document No.CHAPTER 42

PROCEDURES FOR ISSUANCE OF AIRWORTHINESS DIRECTIVES 

Effective Date: Monday, April 10, 2023

45. EVALUATION AIRCRAFT LEASE/INTERCHANGE AGREEMENT
Document No.CHAPTER 43

EVALUATION AIRCRAFT LEASE/INTERCHANGE AGREEMENT 

Effective Date: Monday, April 10, 2023

46. INSPECTION OF OPERATOR’S MAINTENANCE FACILITY
Document No.CHAPTER 44


INSPECTION OF OPERATOR’S MAINTENANCE FACILITY
Effective Date: Monday, April 17, 2023

47. MONITORING OF OPERATIONS DURING STRIKE/LABOUR UNREST/FINANCIAL DISTRESS
Document No.CHAPTER 45

MONITORING OF OPERATIONS DURING STRIKE/LABOUR UNREST/FINANCIAL DISTRESS 

Effective Date: Monday, April 10, 2023

48. ISSUE/RENEWAL OF LETTER OF AUTHORIZATION FOR OPERATIONS IN SPECIAL AREA OF OPERATION FOR GENERAL AVIATION OPERATORS
Document No.CHAPTER 46


ISSUE/RENEWAL OF LETTER OF AUTHORIZATION FOR OPERATIONS IN SPECIAL AREA OF OPERATION FOR GENERAL AVIATION OPERATORS
Effective Date: Monday, April 10, 2023

49. ISSUANCE OF OPERATIONS SPECIFICATIONS, PARTS D & E.
Document No.CHAPTER 47


ISSUANCE OF OPERATIONS SPECIFICATIONS, PARTS D & E.
Effective Date: Monday, April 10, 2023

50. EVALUATION OF MAINTENANCE CONTRACTUAL ARRANGEMENTS.
Document No.CHAPTER 48

EVALUATION OF MAINTENANCE CONTRACTUAL ARRANGEMENTS. 

Effective Date: Monday, April 10, 2023

51. ADDITIONAL MAINTENANCE REQUIREMENTS FOR SMALL AIRCRAFT
Document No.CHAPTER 49


ADDITIONAL MAINTENANCE REQUIREMENTS FOR SMALL AIRCRAFT
Effective Date: Monday, April 10, 2023

52. APPROVED SMALL AIRCRAFT INSPECTION PROGRAMME.
Document No.CHAPTER 50

APPROVED SMALL AIRCRAFT INSPECTION PROGRAMME.

Effective Date: Monday, April 10, 2023

53. EVALUATE LEASED MAINTENANCE PROGRAMME AUTHORIZATION: NIGERIAN REGISTERED AIRCRAFT
Document No.CHAPTER 51

EVALUATE LEASED   MAINTENANCE PROGRAMME  AUTHORIZATION: NIGERIAN REGISTERED AIRCRAFT

Effective Date: Monday, April 10, 2023

54. APPROVAL OF A CONTRACT RELIABILITY PROGRAMME
Document No.CHAPTER 52


APPROVAL OF A CONTRACT RELIABILITY PROGRAMME
Effective Date: Monday, April 10, 2023

55. APPROVE PARTS/PARTS POOL/PARTS BORROWING
Document No.CHAPTER 53


APPROVE PARTS/PARTS POOL/PARTS BORROWING 
Effective Date: Monday, April 10, 2023

56. CHAPTER 54 MAINTENANCE TIME LIMITATIONS SECTION PARTIAL RELIABILITY PROGRAMME OR NO RELIABILITY PROGRAMME.
Document No.CHAPTER 54

MAINTENANCE TIME LIMITATIONS  SECTION  PARTIAL RELIABILITY PROGRAMME OR NO RELIABILITY PROGRAMME. 

Effective Date: Monday, April 10, 2023

57. PRORATED TIME AUTHORIZATIONS
Document No.CHAPTER 55

 
PRORATED TIME AUTHORIZATIONS 
Effective Date: Monday, April 10, 2023

58. EVALUATE OPERATOR' S MASS AND BALANCE CONTROL PROGRAMME
Document No.CHAPTER 56


EVALUATE OPERATOR' S MASS AND BALANCE CONTROL PROGRAMME
Effective Date: Monday, April 10, 2023

59. PROCEDURES FOR EVALUATION AND APPROVAL SPECIALISED ACTIVITIES SUCH AS NDT, WELDING ETC.
Document No.CHAPTER 57

PROCEDURES FOR EVALUATION AND APPROVAL SPECIALISED ACTIVITIES SUCH AS NDT, WELDING ETC.

Effective Date: Thursday, October 30, 2025

60. GUIDANCE AND PROCEDURES FOR REVIEW OF FLIGHT CLEARANCE
Document No. CHAPTER 58

GUIDANCE AND PROCEDURES FOR REVIEW OF FLIGHT CLEARANCE

Effective Date: Monday, April 10, 2023

61. ISSUANCE / ACCEPTANCE OF SUPPLEMENTAL TYPE CERTIFICATES
Document No.CHAPTER 59

 ISSUANCE / ACCEPTANCE OF SUPPLEMENTAL TYPE CERTIFICATES 

Effective Date: Monday, April 10, 2023

62. SPECIAL FLIGHT PERMIT WITH CONTINUING AUTHORIZATION TO CONDUCT FERRY FLIGHT
Document No.CHAPTER 60

SPECIAL FLIGHT PERMIT WITH CONTINUING AUTHORIZATION TO CONDUCT FERRY FLIGHT 

Effective Date: Monday, April 10, 2023

63. INSPECTION OF OPERATOR’ S MAINTENANCE RECORDS AND RECORD KEEPING SYSTEM FOR AIRWORTHINESS DIRECTIVE COMPLIANCE
Document No.CHAPTER 63


INSPECTION OF OPERATOR’ S MAINTENANCE RECORDS AND RECORD KEEPING SYSTEM FOR AIRWORTHINESS DIRECTIVE COMPLIANCE 
Effective Date: Monday, April 10, 2023

64. MONITORING OF OPERATOR’S RELIABILITY PROGRAMME
Document No.CHAPTER 64


MONITORING OF OPERATOR’S RELIABILITY PROGRAMME 
Effective Date: Monday, April 10, 2023