Published date: 30 October 2023


This Advisory Circular (AC) describes an acceptable means of compliance with completing the CAA Form CA006-Technical Log and CAA Form CAA400-Maintenance Record Sheet.

Related rules

This AC relates specifically to Civil Aviation Rules 43.69(c), 43.103, 43.105, 43.113, 91.619, 91.623(d).

Change notice

Revision 2:

  • makes format and stylistic changes, to align with current AC format
  • adds advice about using alternative formats to Form CA006 – Technical Log in accordance with rule 91.619(c)
  • note that the forms can be ordered for free
  • updates Form CAA 400 – Maintenance Log in Appendix A, and
  • adds a version history.