Changes to an AOC Holder’s Manuals and Documents (TCAR)
Amendments to operational manuals and documents, including changes subject to TCAR OPS ORO.GEN.130, shall be managed in accordance with the applicable requirements.
The types of changes affecting the Air Operator Certificate (AOC), Operations Specifications (OPS SPEC), or the operator’s Management System are specified in GM1 ORO.GEN.130(a) and (b). The AOC holder shall appropriately manage such changes to ensure continued compliance with all applicable laws, regulations, requirements, and conditions.
Changes Requiring Prior Approval (CR)
The AOC holder shall determine the applicable category of change and follow the relevant Changes Requiring Prior Approval (CR) process before implementing the proposed change, in accordance with applicable requirements.
Application Process
Phase 1 – Application
The applicant shall submit the change application through the EMPIC system, together with all required supporting documents.
The submitted information and documentation shall be complete, accurate, and sufficiently clear to enable CAAT to properly identify and assess the nature and scope of the proposed change.
Phase 2 – Document Assessment
CAAT will assess the submitted application, operations manuals, documents, and supporting evidence to determine compliance with applicable laws, regulations, and requirements.
The assessment will commence once the required documentation has been submitted in a complete and satisfactory manner. Where deficiencies are identified, the applicant shall address the deficiencies and/or submit additional information or documentation as required by CAAT.
Phase 3 – Demonstration and Inspection (if applicable)
Where the proposed change requires demonstration or inspection, the AOC holder shall demonstrate its ability to comply with applicable requirements and safety standards through inspections, test flights, demonstrations, or other relevant assessments, as appropriate to the nature and scope of the proposed change.
CAAT may reduce the scope of, or waive, this phase where deemed appropriate based on the nature and complexity of the proposed change.
Phase 4 – Certification
Upon satisfactory completion of the applicable assessment and inspection activities, CAAT will approve the proposed change and issue the revised List of Approvals (LoA).
Where the proposed change affects the Air Operator Certificate (AOC) or Operations Specifications (OPS SPEC), CAAT will also issue the relevant amended or revised documents and/or pages, as applicable.
The AOC holder shall not implement or commence operations under the proposed change until the relevant LoA has been issued by CAAT.
Processing Time
The application shall be submitted at least 30 calendar days prior to the intended implementation date of the proposed change.
Fees
The applicable List of Approvals (LoA) fee shall be paid prior to the commencement of Phase 4 — Certification, in accordance with the applicable CAAT requirements.
Application Documents
| Document Code | Document Name | Applicability |
|---|---|---|
| CAAT-OPS-TCFM-201 | Proposed Change to an AOC (PCA) | *Mandatory Document for all cases |
| Operator-provided | Draft of Operations Manual/Document | *Mandatory Document for all cases |
| Operator-provided | Summary of Changes | *Mandatory Document for all cases |
| CAAT-OPS-TCCL-101 to CAAT-OPS-TCCL-107 | Compliance List for Aeroplane and Helicopter TCAR OPS as applicable to the change; | Submit the applicable compliance list with references for the relevant scope of the change. |
| CAAT-OPS-TCFM-102 | Application for Operations Specifications | Applicable to changes involving amendments to the OPS SPEC. |
| CAAT-OPS-TDGFM-402 | Application for Dangerous Goods Operating License (Thai Air Operator) (if applicable) | Applicable to initial applications and changes to specific approval for Dangerous Goods operations. |
| CAAT-OPS-TCFM-106 | Nomination for Air Operator Personnel | Applicable to changes in Nominated or Management Personnel. |
| CAAT-OPS-TCFM-107 | Schedule of Event Form | Required depending on the type of change or inspector’s request. |
| Operator-provided | Risk assessment documentation; | Required depending on the type of change or inspector’s request. |
| Operator-provided | Manufacturer/OEM documents or technical documents (e.g., AFM, MMEL, OSD, etc.) | Required depending on the type of change or inspector’s request. |
Note: For further details, refer to Air Operator Certification Guidelines (AOC GL) Chapter 3
Changes Not Requiring Prior Approval (CN)
Changes that are not classified as Changes Requiring Prior Approval (CR) shall be considered Changes Not Requiring Prior Approval (CN) and do not require CAAT’s prior approval before implementation. However, the AOC holder shall notify CAAT prior to implementation and manage the change in accordance with the applicable procedures approved by CAAT.
Although CN changes do not require prior approval, CAAT may conduct an assessment or inspection before or after implementation, as appropriate. Where a change is found to be non-compliant with applicable requirements or raises safety concerns, CAAT may require the AOC holder to take appropriate corrective action or make necessary amendments.
Notification Process
Phase 1 – Notification
The AOC holder shall submit the notification through the EMPIC system, together with all required supporting documents.
Phase 2: Document Assessment and Acknowledgement
Upon receipt of a complete CN submission, CAAT will conduct a preliminary review and issue a Release of Documentation (RoD) to acknowledge receipt of the submitted documentation. The RoD will be issued within 10 calendar days from the date of submission.
- CAAT provides confirmation by email (Verification Email) through the EMPIC system that the submitted documentation has been accepted → the change may be implemented immediately; or
- 10 calendar days have elapsed from the date of submission without any objection from CAAT → the change may be implemented from Day 11 onwards.
Note: The Release of Documentation (RoD) only acknowledges receipt of the submitted documentation and does not constitute approval or confirmation of compliance with applicable requirements. CAAT retains the authority to assess the submitted documentation after the issuance of the RoD and may require the AOC holder to make amendments or take appropriate corrective action, as applicable.
Processing Time
- At least 10 calendar days prior to the intended implementation date of the proposed change; or
- At least 20 calendar days prior to the intended implementation date for changes involving a Nominated Person, Safety Manager, or Compliance Monitoring Manager.
Fees
No processing fee is applicable.
Application Documents
| Document Code | Document Name | Applicability |
|---|---|---|
| CAAT-OPS-TCFM-201 | Proposed Change to an AOC (PCA) | *Mandatory Document for all cases |
| Operator-provided | Draft of Operations Manual/Document | *Mandatory Document for all cases |
| Operator-provided | Summary of Changes | *Mandatory Document for all cases |
| CAAT-OPS-TCFM-106 | Nomination for Air Operator Personnel | Applicable to changes in Nominated or Management Personnel. |
| Operator-provided | Risk assessment documentation; | Required depending on the type of change or inspector’s request. |
| Operator-provided | Manufacturer/OEM documents or technical documents (e.g., AFM, MMEL, OSD, etc.) | Required depending on the type of change or inspector’s request. |
Note: For further details, refer to Air Operator Certification Guidelines (AOC GL) Chapter 3
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Temporary Revision (TR)
A Temporary Revision (TR) is an amendment to the content of a manual or document that is intended to remain effective temporarily or for a limited period. A TR is issued as a supplement to the current approved revision and shall remain valid for a period of not more than 180 calendar days.
Before the expiry of the TR, the AOC holder shall either withdraw the Temporary Revision from the applicable manual or document, or incorporate the amendment as a permanent revision, as appropriate.
Submission
The AOC holder shall submit the TR through the EMPIC system in accordance with the applicable manual amendment process. The submission shall clearly identify the TR status and validity period.
- TR under CR: The TR shall receive CAAT approval and the relevant LoA before it is implemented.
- TR under CN: The TR shall be processed in accordance with the applicable CN process.
Urgent Revision (UR)
An Urgent Revision (UR) is not a type of revision for an amendment to a manual or document. It is an expedited submission and assessment process for amendments that need to be implemented immediately due to operational safety considerations.
Submission
The AOC holder shall submit the amended document or relevant pages to the responsible Principal Operations Inspector (POI) and Inspector by email for expedited review and acknowledgement. The submission shall also be made through the EMPIC system in accordance with the applicable manual amendment process.
The submission shall also be made through the EMPIC system in accordance with the applicable manual amendment process.
For both CR and CN, the AOC holder may implement the UR upon receipt of acknowledgement by email from CAAT. The corresponding submission shall also be completed through the EMPIC system in accordance with the applicable CR or CN process.
Contact Us
For more information on the application process for an air operator certificate, please contact us:
Air Operator Certificate (AOC)
Flight Operations Standards Department (OPS) The Civil Aviation Authority of Thailand
222 Soi Vibhavadi Rangsit 28, Vibhavadi Rangsit Road, Chatuchak, Chatuchak, Bangkok, Thailand 10900
TEL: 02-568-8800 ext.8843 Mobile: 063-205-8843 Email: [email protected]
