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###### Department of Transportation

###### Federal Aviation Administration

          - [Summary Notice No. PE-2015-16 ]

# AGENCY:

Federal Aviation Administration (FAA), DOT.

# ACTION:

Notice of petition for exemption received.

# SUMMARY:

This notice contains a summary of a petition seeking relief from specified requirements of 14 CFR. The purpose of this notice is to improve the public's awareness of, and participation in, this aspect of FAA's regulatory activities. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.

# DATES:

Comments on this petition must identify the petition docket number and must be received on or before April 10, 2015.

# ADDRESSES:

You may send comments identified by Docket Number FAA-2015-0156 using any of the following methods:
      -  Government-wide rulemaking Web site:                          Go to                          http://www.regulations.gov                          and follow the instructions for sending your comments electronically.                    
      -  Mail:                          Send comments to the Docket Management Facility; U.S. Department of Transportation, 1200 New Jersey Avenue SE., West Building Ground Floor, Room W12-140, Washington, DC 20590.                    
      -  Fax:                          Fax comments to the Docket Management Facility at 202-493-2251.                    
      -  Hand Delivery:                          Bring comments to the Docket Management Facility in Room W12-140 of the West Building Ground Floor at 1200 New Jersey Avenue SE., Washington, DC, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays.                    

*Privacy:*                         We will post all comments we receive, without change, to                         *http://www.regulations.gov,*                         including any personal information you provide. Using the search function of our docket Web site, anyone can find and read the comments received into any of our dockets, including the name of the                               ( print page 17139)                            individual sending the comment (or signing the comment for an association, business, labor union, etc.). You may review DOT's complete Privacy Act Statement in the                         **Federal Register**                         published on April 11, 2000 (65 FR 19477-78).                    

*Docket:*                         To read background documents or comments received, go to                         *http://www.regulations.gov*                         at any time or to the Docket Management Facility in Room W12-140 of the West Building Ground Floor at 1200 New Jersey Avenue SE., Washington, DC, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays.                    

# FOR FURTHER INFORMATION CONTACT:

                        Timoleon Mouzakis, Federal Aviation Administration, Engine and Propeller Directorate, Standards Staff, ANE-111, 12 New England Executive Park, Burlington, Massachusetts 01803-5229; (781) 238-7114; facsimile: (781) 238-7199; email:                         *timoleon.mouzakis@faa.gov.*

This notice is published pursuant to 14 CFR 11.85.

Issued in Washington, DC, on March 24, 2015.

Dale Bouffiou,

Acting, Director, Office of Rulemaking.

## Petition for Exemption

*Docket No.:*                         FAA-2015-0156.                    

*Petitioner:*                         Rolls-Royce plc.                    

*Section of 14 CFR Affected:*                         Section 33.27 (f)(6).                    

*Description of Relief Sought:*                         The petitioner seeks relief from § 33.27 (f)(6) for the Rolls-Royce Trent 1000-AE, -CE, -AE2, and -CE2 engine models, to exclude the entire high-pressure shaft system from consideration in determining the highest overspeed that would result from a complete loss of load on a turbine rotor.                    

[FR Doc. 2015-07383 Filed 3-30-15; 8:45 am]

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