Certificate of Airworthiness

22 June 2020

Certificate of Airworthiness (C of A)

What is Certificate of Airworthiness?

In order to prove that the aircraft is in airworthy condition, safe for operations also proper maintained per approved Type Certificate, each aircraft is required to have the valid Certificate of Airworthiness or C of A which to compile with Thailand AIR regulation, Section 16, Sections 34 to Sections 41 of the Air Navigation Act B.E. 2497

C of A is an official certificate issued by CAAT as an Authority in Thai Civil Aviation. For applicant who shall request for C of A issuance, please see the detail below:

Types of Certificate of Airworthiness

There are 2 major types of C of A:
    1) Standard C of A
    2) Special C of A
        a) Type 1
        b) Type 2
        c) Type 3
        d) Type 4

Refer Section 41/62 of the Air Navigation Act B.E. 2497

Pre-Requisites

Applicants will need to prepare and provide the documents and information listed under the “What do I need to include with my application” section below

How much does it cost?

For inspection fees, refer to the CAAT announcement relating to
the administrative fee B.E. 2561

Inspection Fees (per day per person)	Amount (Thai Baht)
Domestic inspection (Not stay overnight)	4,000
Domestic inspection (Stay overnight)	5,000
International inspection	8,500
Special international inspection	9,500

NOTE:
List of special international countries:
    1.Japan
    2.French Republic
    3.Russian Federation
    4.Swiss Confederation
    5.Italian Republic
    6.Kingdom of Belgium
    7.Kingdom of Spain
    8.Federal Republic of Germany
    9.United States of America
    10.United Kingdom of Great Britain and Northern Ireland
    11.Portuguese Republic
    12.Republic of Singapore

The certification fees rate is based on Ministerial Regulations relating to the administrative fee and high rate for service fees of the airport B.E. 2554

For more information, please go to these links below:

1) Standard C of A
2) Special C of A
    a)Type 1
    b)Type 2
    c)Type 3
    d)Type 4

How long does C of A Valid?

The Certificate of Airworthiness has its own validity period depending on the type of the C of A and the aircraft, refer Section 41/68 of the Air Navigation Act B.E. 2497 .

Certification Type	Validity period
Standard C of A	3 years
Special C of A Type 1	3 years
Special C of A Type 2	1 year
Special C of A Type 3	1 year
Special C of A Type 4	1 year

Also, It will remain valid unless suspended, cancelled or revoked by the condition mentioned in Section 41/70 of the Air Navigation Act B.E. 2497.

What do I need to include with my application?

List of Application package documents compile to Ministerial Regulations relating to determining regulations and procedures in applying and renewal the Certificate of Airworthiness B.E 2555. Application packages are categorized by each type of C of A.

Standard C of A issuance

1. Intention letter
2. CAAT-AIR-CA-000 (Application form for Standard Certificate of Airworthiness (C of A) and Aeroplane Instrument and Equipment data form)
3. A copy of the certificate of airworthiness received from the country in which the aircraft was registered
4. A copy of export certificate of airworthiness (issued by the aircraft registration country)
5. Aircraft flight manual
6. Flight crew operation manual
7. Maintenance Manual
8. Aircraft illustrated parts catalogue
9. Aircraft assembly manual and disassembly shipment
10. Wiring diagrams manual
11. Weight and Balance Manual
12. Maintenance Planning Data and Maintenance Review Board Document
13. Service Bulletins
14. Master Minimum Equipment List
15. Maintenance Review (AIR-AO-MRR-102 Maintenance Review Report)
16. Maintenance Records
17. Record the total operating time of the aircraft Major components and equipment of aircraft with the details of Flight hours or calendar time or Flight cycle of use along with the maintenance status.
18. A copy of Electrical Load Analysis
19. A copy of Weight & Balance report which was done within a period not more
than one year before the date of the application submission
20. The compliance with Modification / Airworthiness Directive
21. Compass swing
22. Flight Test Report or Delivery flight report
23. Aircraft Inspection Equipment AID Checklist (CAAT-AIR-AO-CAAID-202)
24. AIR-CA-201 (Maintenance Review Document) Addition
25. Inspection fee.
26. Certification fee.
27. Other documents specified by the Director-General

Special C of A Type 1 issuance

1. Intention letter
2. AIR-CA-102 (Application form for Special Certificate of Airworthiness) or AIR-CA-103 (Application form for Special C of A For Paramotor, Paraplane, Paraglider)
3. A copy of the certificate of airworthiness received from the country in which the aircraft was registered
4. A copy of export certificate of airworthiness (issued by the aircraft registration country)
5. Photos during aircraft assembly And a photograph when finished assembly the aircraft
6. Aircraft flight manual
7. Flight crew operation manual
8. Maintenance Manual
9. Aircraft illustrated parts catalogue
10. Aircraft assembly manual and disassembly shipment
11. Wiring diagrams manual
12. Weight and Balance Manual
13. Maintenance Planning Data and Maintenance Review Board Document
14. Service Bulletins
15. Master Minimum Equipment List
16. Maintenance Review (AIR-AO-MRR-102 Maintenance Review Report)
17. Maintenance Records
18. Record the total operating time of the aircraft Major components and equipment of aircraft with the details of Flight hours or calendar time or Flight cycle of use along with the maintenance status.
19. A copy of Electrical Load Analysis
20. A copy of Weight & Balance report which was done within a period not more than one year before the date of the application submission
21. The compliance with Modification / Airworthiness Directive
22. Compass swing
23. Flight Test Report or Delivery flight report
24. Aircraft Inspection Equipment AID Checklist (CAAT-AIR-AO-CAAID-202)
25. AIR-CA-201 (Maintenance Review Document) Addition
26. Inspection fee.
27. Certification fee
28. Other documents specified by the Director-General

Special C of A Type 2 and 3 issuance

1. Intention letter
2. AIR-CA-102 (Application form for Special Certificate of Airworthiness) or AIR-CA-103 (Application form for Special C of A For Paramotor, Paraplane, Paraglider)
3. Aircraft flight manual
4. Flight crew operation manual
5. Maintenance Manual
6. Aircraft illustrated parts catalogue
7. Aircraft assembly manual and disassembly shipment
8. Wiring diagrams manual
9. Weight and Balance Manual
10. Maintenance Planning Data and Maintenance Review Board Document
11. Service Bulletins
12. Master Minimum Equipment List
13. Maintenance Review (AIR-AO-MRR-102 Maintenance Review Report)
14. Maintenance Records
15. Record the total operating time of the aircraft Major components and equipment of aircraft which the details of Flight hours or calendar time or Flight cycle of use along with the maintenance status.
16. A copy of Electrical Load Analysis
17. A copy of Weight & Balance report which was done within a period not more than one year before the date of the application submission
18. The compliance with Modification / Airworthiness Directive
19. Compass swing
20. Flight Test Report or Delivery flight report
21. AIR-CA-201 (Maintenance Review Document) Addition
22. Inspection fee.
23. Certification fee
24. Other documents specified by the Director-General

Special C of A Type 4 issuance

1. Intention letter
2. AIR-CA-102 (Application form for Special Certificate of Airworthiness) or AIR-CA-103 (Application form for Special C of A For Paramotor, Paraplane, Paraglider)
3. Three view dimensions drawing and specification
4. Aircraft flight manual
5. Flight crew operation manual
6. Maintenance Manual
7. Aircraft illustrated parts catalogue
8. Aircraft assembly manual and disassembly shipment
9. Wiring diagrams manual
10. Weight and Balance Manual
11. Maintenance Planning Data and Maintenance Review Board Document
12. Service Bulletins
13. Master Minimum Equipment List
14. Maintenance Review (AIR-AO-MRR-102 Maintenance Review Report)
15. Maintenance Records
16. Record the total operating time of the aircraft Major components and equipment of aircraft which the details of Flight hours or calendar time or Flight cycle of use along with the maintenance status.
17. A copy of Electrical Load Analysis
18. A copy of Weight & Balance report which was done within a period not more than one year before the date of the application submission
19. The compliance with Modification / Airworthiness Directive
20. Compass swing
21. Flight Test Report or Delivery flight report
22. AIR-CA-201 (Maintenance Review Document) Addition
23. Inspection fee.
24. Certification fee
25. Other documents specified by the Director-General

C of A renewal

1. Intention letter
2. CAAT-AIR-CA-000 (Application form for Standard Certificate of Airworthiness (C of A) and Aeroplane Instrument and Equipment data form)
3. Maintenance review (AIR-AO-MRR-102 Maintenance Review Report)
4. Maintenance Record
5. Record the total operating time of the aircraft, Major components and equipment which details a number of Flight hours or calendar time or Flight cycle of use along with the maintenance status.
6. A copy of Electrical Load Analysis
7. A copy of Weight & Balance report which was done within a period not more than one year before the date of the application submission
8. The compliance with Modification / Airworthiness Directive
9. Compass swing
10. Flight Test Report
11. Aircraft Inspection Equipment AID Checklist (CAAT-AIR-AO-CAAID-202)
12. AIR-CA-201 (Maintenance Review Document) Addition
13. Inspection fee.
14. Certification fee
15. Other documents specified by the Director-General

How long does it take?

The process consists of 3 phases
This timeline can be extended depending on inspection results and finding correction (if any). .

What will happen?

1) Application phase

1.1) Submit the request together with the supporting documents to
The Civil Aviation Authority of Thailand (CAAT)
333/105 Lak Si Plaza, Khampheng Phet 6 Rd., Talat Bang Khen, Lak Si, Bangkok
10210

The assigned CAAT inspector will consider checking the documents and record in the system to be able to track the document later.

1.2) Submit the request together with the supporting documents via E-service: https://eservice.caat.or.th

The assigned CAAT inspector will consider checking the document through the system. The applicant can be tracked manually through the E-Service.

1.3) After the assigned CAAT inspector have received the documents. The assigned CAAT inspector will proceed to check the completeness of document. If the request is completely correct or in the case that the request is found incomplete the assigned CAAT inspector will notify the applicant to send additional documents. In which the assigned CAAT inspector will notify the applicant within 10 working days and will take further steps if the applicant has already submitted additional documents (if any). If the applicant does not send the additional documents correctly and completely. The assigned CAAT inspector may consider returning the request to the applicant

1.4) For the applicant who submit the request via E-Service. After the assigned CAAT inspector received the documents, the assigned CAAT inspector will contact the applicant through the system within a period not exceeding 10 working days if the document is completely correct the assign CAAT inspector will take further steps. In the case that the request is incorrect or incomplete the assigned CAAT inspector will notify the applicant to send additional documents or may reject the request and specify the reason in the system

(In case C of A renewal, the application package shall be submitted to the Airworthiness and Aircraft Engineering Department not less than 60 days before current C of A expire date)

If applicant has any further questions, please contact CAAT inspector via email: Airworthiness@caat.or.th or telephone number: 02-568-8840, 02-568-8841

2) Inspection phase

2.1) If the application document is completely correct. The assign CAAT inspector will contact the applicant to make an appointment for the inspection date and time.

2.2) After the inspection date is set, the Inspection fee Invoice will be sent to the applicant via email within a period not exceeding 5 working days, in which the applicant must proceed to pay and notify the assigned CAAT inspector with evidence as a receipt via email or other channels.

2.3) At the inspection day, the assigned CAAT inspector will take time to proceed the inspection approximately not more than 6 working days (excluding travel days) as detailed in estimate the duration and number of CAAT inspector to be used for inspection in the annex of CAAT announcement relating to the administrative fee B.E. 2561 under Section 5/1 of the Air Navigation Act of 2497 B.E. 2560, which will be divided the inspections is a document inspection and aircraft inspection. When the inspection is complete, the assigned CAAT inspector will summarize the inspection results on the last day of the inspection.

2.4) If there is any finding(s), the assigned CAAT inspector will notify the applicant through the final inspection report on the last day of inspection, which the applicant should proceed to correct those findings within a period not exceeding 60 days and report the results of the findings correction together with the evidence documents through the electronic system of the Civil Aviation Authority of Thailand. If the applicant is unable to use electronic system of the Civil Aviation Authority of Thailand, the applicant can use other channels, such as email, to report the results of the findings correction.

3) Certification phase

3.1) After the assigned CAAT inspector reviewing the documents and evidence of the corrective action of the applicant (if any), the assigned CAAT inspector will notify the applicant and proceed the internal coordination to issue invoices for certification fee and sent to the applicant via email within a period not exceeding 5 working days after notifying the applicant. The applicant must proceed to pay the certification fee and the applicant will receive a receipt as evidence via email.

3.2) The applicant must proceed to pay the certification fee, which the applicant will receive a receipt as evidence via email.

3.3) After the Civil Aviation Authority of Thailand has issued a receipt. The assigned CAAT inspector will proceed to request the approval from the Director of Civil Aviation Authority of Thailand to sign and issue a certificate of airworthiness within a period not exceeding 10 working days, the assigned CAAT inspector will notify the result of the consideration and make an appointment via email or other channels to deliver the certificate of airworthiness to the applicant.

NOTE: Receiving methods can be received at CAAT office (required applicant personnel copy ID card and signature) or EMS delivery

What else do I need to know in order to be approved?

Aviation law / Guidance

Checklists