Application Form No. 4 – Fillable PDF

Application Form No. 4 is the official Application for Nominated Personnel Approval used by the Australian Civil Aviation Safety Authority (CASA). The form is required when you need approval for personnel who will act under a nominated aviation operation.

What Is Application Form No. 4?

This form collects detailed information about the nominated individual, the operation they will support, and the relevant qualifications. It is a mandatory part of CASA’s safety oversight process.

How to Fill Out the Form Online

Instead of downloading the PDF and opening a separate editor, simply click the "Fill out this form" button on this page. The Formize PDF Filler app will load in your browser and let you complete every field directly online.

• Step 1: Click the button and wait for the filler to load.
• Step 2: Enter your details exactly as they appear on official documents.
• Step 3: Use the auto‑save feature to avoid losing information.
• Step 4: Review the completed form and click Submit to download a signed copy.

Common Mistakes to Avoid

• Leaving required fields blank – the filler will highlight missing entries.
• Using signatures that do not match the original ID documents.
• Entering dates in the wrong format (use DD/MM/YYYY).
• Uploading unsupported file types for supporting documents.

Where to Submit the Completed Form

After you have saved the signed PDF, email it to casasubmissions@civilaviation.gov.au or upload it through the CASA online portal. Keep a copy for your records.

Need more help? Review CASA’s guidelines for nominated personnel for detailed instructions.