- Initial Maintenance Inspection
(IMI), 14 CFR 33.90, Test for Turbine Engines
- Date issued
- Office of Primary Responsibility
- ANE-111, Aircraft Certification Service Engine & Propeller Directorate - Rulemaking & Policy
- This advisory circular (AC) provides guidance to demonstrate compliance with Title 14 of the Code of Federal Regulations (14 CFR) 33.90, Initial Inspection Test.
- AC 33.90-1A (PDF)