Certificate of Airworthiness (COA) – CASA Delegate Approvals

CASA Delegate issued Certificates of Airworthiness, Fast accurate and fully compliant approval for registered Australian aircraft.

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What is a Certificate of Airworthiness (COA)?

A Certificate of Airworthiness (COA) is required for an aircraft to operate once it has been placed on the Australian Civil Aircraft Register. After registration, the COA confirms that the aircraft meets its approved type design, complies with all applicable CASA airworthiness requirements and is safe for flight. For most operators, obtaining the COA is a critical step when placing an aircraft into service, importing an aircraft, or returning an aircraft to operation following significant work.

Why it matters:

Your COA confirms:

  • Compliance with the approved type design

  • All airworthiness directives (ADs) are satisfied

  • Maintenance and configuration meet CASA requirements

  • The aircraft is ready for safe operation in Australia

  • All unique Australian airworthiness requirements are met

Certificate of Airworthiness CASA Delegate Services

COA documentation & compliance review

Full review of logbooks, maintenance records and compliance to prepare your aircraft for COA issue.

Direen Aviation conducts a detailed airworthiness review before inspection. We verify logbooks, maintenance records, AD compliance, modifications, repairs and weight & balance data against the approved type design. This ensures your aircraft is fully prepared for its Certificate of Airworthiness inspection.

Aircraft inspection & conformity assessment

CASA Delegate performs inspection and conformity checks to confirm your aircraft meets all airworthiness requirements.

A Direen Aviation CASA Delegate performs the physical aircraft inspection and conformity assessment required for COA issue. We confirm that the aircraft matches its type certificate, verify previous maintenance, and ensure configuration, ADs and mandatory requirements are all satisfied before issuing the Certificate of Airworthiness.

Aircraft import & registration support

For aircraft being imported into Australia, Direen Aviation provides practical guidance on documentation, bridging compliance gaps and managing foreign modifications and STCs. We help you meet CASR requirements and streamline the path from arrival to a CASA Delegate issued Certificate of Airworthiness.

Guidance for aircraft imported into Australia, from pre-import checks to final COA issue.

Direct CASA Delegate COA Approval

A Direen Aviation CASA Delegate can complete and approve your Certificate of Airworthiness (COA) directly. This removes the need for separate CASA submissions, reduces delay and provides clear, fast regulatory outcomes for your operation.

✅ Direct COA approvals

✅ Reduced admin and turnaround time

✅ Clear regulatory pathway

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