Conversion exams for commercial pilot licences

If you're planning to work as a pilot in Australia, you may need to convert your overseas licence.

CPL overseas conversion (aeroplane) exam - COSA

You have 2 hours to complete the exam.

To pass, you will need to get at least 80% of the marks.

These exams cost $182.38 each ($117.38 invigilator fee and $65 CASA fee).

Preparing for your exam

The exams will test your knowledge on the syllabus in Part 61 Manual of Standards (MOS) schedule 3.

Permitted material

You may use either the Airservices or Jeppesen list of permitted materials. You need to supply these materials.

 You cannot use a combination of materials from both the Airservices list and the Jeppesen list.

Airservices list

Jeppesen list

Your invigilator will give you some things before the exam, which you must hand back at the end. These include:

  • pen
  • pencil
  • ruler
  • eraser
  • scribble pad.

Pass rates

You can see how candidates performed in their COSA exam.

Year 0 - 54% 55 - 59% 60 - 64% 65 - 69% 70 - 74% 75 - 79% 80+% Pass rate
2020 8.33 0 0 0 4.17 12.50 75.00 75.00%
2021 5.00 5.00 5.00 20.00 0.00 10.00 55.00 55.00%
2022 0.00 3.13 3.13 6.25 6.25 12.50 68.75 68.75%

Check the results of candidates from previous years.

In addition to the CPL overseas conversion exam (COSA), you'll also need to have passed your commercial pilot licence human factors exam (CHUF).

CPL overseas conversion (helicopter) exam - COSH

You have 2 hours to complete the exam.

To pass, you will need to get at least 80% of the marks.

These exams cost $182.38 each ($117.38 invigilator fee and $65 CASA fee).

Preparing for your exam

The exams will test your knowledge on the syllabus in Part 61 Manual of Standards (MOS) schedule 3.

Permitted material

You may use either the Airservices or Jeppesen list of permitted materials. You need to supply these materials.

 You cannot use a combination of materials from both the Airservices list and the Jeppesen list.

Airservices list

Jeppesen list

Your invigilator will give you some things before the exam, which you must hand back at the end. These include:

  • pen
  • pencil
  • ruler
  • eraser
  • scribble pad.

Pass rates

You can see how candidates performed in their COSH exam.

Year 0 - 54% 55 - 59% 60 - 64% 65 - 69% 70 - 74% 75 - 79% 80+% Pass rate
2020 15.38 0 0 23.08 7.69 7.69 46.15 46.15%
2021 0.00 0.00 14.29 0.00 14.29 28.57 42.86 42.86%
2022 0.00 0.00 7.14 0.00 7.14 50.00 35.71 35.71%

Check the results of candidates from previous years.

In addition to the CPL overseas conversion exam (COSH), you'll also need to have passed your commercial pilot licence human factors exam (CHUF).

Last updated:
31 Jul 2023
Online version available at: https://www.casa.gov.au//licences-and-certificates/pilots/pilot-and-flight-crew-exams/pilot-exams/conversion-exams-commercial-pilot-licences
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