The purpose of this Advisory Circular is to; guide Aerodrome Operators on the conditions and processes involved in the application for exemptions for non-compliances with the Standards of the Nig.CARs Part 12. To harmonise the procedures for the certification of aerodromes, which do not conform to some of the Standards contained in the Nig.CARs Part 12, but are required to be complied with for Certification.