33-7A - Guidance for 30-Second and 2-Minute One-Engine-Inoperative (OEI) Ratings for Rotorcraft Turbine Engines
- Date Issued
- June 11, 2009
- Responsible Office
- ANE-111, Aircraft Certification Service Engine & Propeller Directorate - Rulemaking & Policy
- This advisory circular (AC) provides guidance and acceptable means, but not the only means, for demonstrating compliance with the specific requirements applicable to 30-second and 2-minute One-Engine-Inoperative (OEI) rotorcraft turbine engine ratings in part 33 of Title 14 of the Code of Federal Regulations (14 CFR part 33).
- AC 33-7A.pdf (PDF, 65 KB)
CERTIFICATION OF 30-SECOND AND 2-MINUTE ONE-ENGINE-INOPERATIVE (OEI) RATINGS FOR ROTORCRAFT TURBINE ENGINES
This advisory circular (AC) provides information and guidance on acceptable methods, but not the only methods, for compliance with the requirements for 30-second OEI and 2-minute OEI rotorcraft turbine engine ratings in part 33 of Title 14 of the Code of Federal Regulations (14 CFR Part 33).