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DOT/FAA

RIN: 2120-AI96

Publication ID: Fall 2008

Title: Rotorcraft Turbine Engines One-Engine-Inoperative (OEI) Ratings, Type Certification Standards
Abstract: This rulemaking would amend One-Engine-Inoperative (OEI) rating definitions and type certification standards for 30-second OEI, 2-minute OEI, and 30-minute OEI ratings for rotorcraft turbine engines. It would revise the ratings' standards to reflect recent analyses of the ratings' usage and lessons learned from completed engine certifications and service experience. It would also harmonize FAA type certification standards for these ratings with the European Aviation Safety Agency in the Certification Specifications for Engines (CS-E) and with proposed requirements for Transport Canada Civil Aviation. The changes would establish nearly uniform certification standards for ratings for rotorcraft turbine engines certificated in the United States under part 33 and in European countries under CS-E, thus simplifying airworthiness approvals for import and export.
Agency: Department of Transportation(DOT)	Priority: Substantive, Nonsignificant
RIN Status: Previously published in the Unified Agenda	Agenda Stage of Rulemaking: Completed Actions
Major: No	Unfunded Mandates: No
CFR Citation: 14 CFR 1 14 CFR 33
Legal Authority: 49 USC 106(g), 40113, and 44701

Legal Deadline: None

Timetable:

Action	Date	FR Cite
NPRM	05/04/2007	72 FR 25207
NPRM Comment Period End	08/02/2007
Final Rule	08/18/2008	73 FR 48119
Final Rule Effective	10/17/2008

Additional Information: Compliance costs are not applicable since this is a minimal impact rule not requiring a regulatory evaluation.
Regulatory Flexibility Analysis Required: No	Government Levels Affected: None
Small Entities Affected: No	Federalism: No
Included in the Regulatory Plan: No
International Impacts: This regulatory action will be likely to have international trade and investment effects, or otherwise be of international interest.
RIN Information URL: www.regulations.gov	Public Comment URL: www.regulations.gov
RIN Data Printed in the FR: No
Agency Contact: Lance T. Gant Air Certification Service Department of Transportation Federal Aviation Administration 2601 Meachum Blvd., Fort Worth, TX 76193-0110 Phone:817 222-5114