This Advisory Circular (AC) describes an acceptable means of compliance with the syllabus content in respect of written examinations for Subject 18 (Lighter-Than-Air Aircraft).
This AC also provides guidance material for recommended study material in respect of the examination syllabus in this AC.
This AC relates specifically to Civil Aviation Rule Part 66 Subpart B — Aircraft Maintenance Engineer Licence.
Revision 4 adds a note on the online application process and updates the ASPEQ email address in the section Examination Overview: Subject 18. It also updates the format to current AC standards and adds a version history.