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###### Department of Transportation

###### Federal Aviation Administration

          - 14 CFR Part 39
          - [Docket No. FAA-2010-1099; Directorate Identifier 2010-CE-054-AD]
          - RIN 2120-AA64

# AGENCY:

Federal Aviation Administration (FAA), Department of Transportation (DOT).

# ACTION:

Notice of proposed rulemaking (NPRM).

# SUMMARY:

                        We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation                               ( print page 67640)                            product. The MCAI describes the unsafe condition as:                    

Compass mismatch (up to loss of heading information) were reported by operators, due to ferro-magnetic masses (like the telescopic Tow-Bar) stowed in the baggage compartment. A limitation was added to the approved Airplane Flight Manual, stating that the towing bar P/N 01-1227-0000 or similar ferromagnetic masses are prohibited to be carried in the baggage compartment.

Temporary Change No. 7 to the Pilot's Operating Handbook and EASA Approved Airplane Flight Manual Rep. 6591, issued: February 24, 2009, include MCAI that has maintenance requirements and/or airworthiness limitations developed by Piaggio Aero Industries S.p.A. and Piaggio Aero Industries. These revisions are approved and considered mandatory by the European Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Community. Failure to comply with the MCAI constitutes an unsafe condition. The proposed AD would require actions that are intended to address the unsafe condition described in the MCAI.

# DATES:

We must receive comments on this proposed AD by December 20, 2010.

# ADDRESSES:

You may send comments by any of the following methods:
      -  Federal eRulemaking Portal:                          Go to                          http://www.regulations.gov.                          Follow the instructions for submitting comments.                    
      -  Fax:                          (202) 493-2251.                    
      -  Mail:                          U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590.                    
      -  Hand Delivery:                          U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays.                    

                        For service information identified in this proposed AD, contact Piaggio Aero Industries S.p.A., Via Cibrario, 4-16154 Genoa, Italy; phone: +39 010 6481 353; fax: +39 010 6481 881; email:                         *airworthiness@piaggioaero.it;*                         Internet:                         *http://www.piaggioaero.com.*                         You may review copies of the referenced service information at the FAA, Small Airplane Directorate, 901 Locust, Kansas City, Missouri 64106. For information on the availability of this material at the FAA, call 816-329-4148.                    

## Examining the AD Docket

                    You may examine the AD docket on the Internet at                     *http://www.regulations.gov;*                     or in person at the Docket Management Facility between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this proposed AD, the regulatory evaluation, any comments received, and other information. The street address for the Docket Office (telephone (800) 647-5527) is in the                     **ADDRESSES**                     section. Comments will be available in the AD docket shortly after receipt.                

# FOR FURTHER INFORMATION CONTACT:

Sarjapur Nagarajan, Aerospace Engineer, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4145; fax: (816) 329-4090.

# SUPPLEMENTARY INFORMATION:

## Comments Invited

                    We invite you to send any written relevant data, views, or arguments about this proposed AD. Send your comments to an address listed under the                     **ADDRESSES**                     section. Include “Docket No. FAA-2010-1099; Directorate Identifier 2010-CE-054-AD” at the beginning of your comments. We specifically invite comments on the overall regulatory, economic, environmental, and energy aspects of this proposed AD. We will consider all comments received by the closing date and may amend this proposed AD because of those comments.                

                    We will post all comments we receive, without change, to                     *http://www.regulations.gov,*                     including any personal information you provide. We will also post a report summarizing each substantive verbal contact we receive about this proposed AD.                

## Discussion

Piaggio Aero Industries S.p.A. and Piaggio Aero Industries have issued service information (referred to after this as “the MCAI”), to correct an unsafe condition for the specified products. The service information and limitations are considered mandatory by the EASA, which is the Technical Agent for the Member States of the European Community. The MCAI states:

Compass mismatch (up to loss of heading information) were reported by operators, due to ferro-magnetic masses (like the telescopic Tow-Bar) stowed in the baggage compartment. A limitation was added to the approved Airplane Flight Manual, stating that the towing bar P/N 01-1227-0000 or similar ferromagnetic masses are prohibited to be carried in the baggage compartment.

Temporary Change No. 7 to the Pilot's Operating Handbook and EASA Approved Airplane Flight Manual Rep. 6591, issued: February 24, 2009, include MCAI that has maintenance requirements and/or airworthiness limitations developed by Piaggio Aero Industries S.p.A. and Piaggio Aero Industries. These revisions are approved and considered mandatory by the EASA, which is the Technical Agent for the Member States of the European Community. Ferro-magnetic masses stowed in the baggage compartment may cause an erroneous indication from the compass (loss of heading information), which could result in loss of control of the airplane. The MCAI requires incorporating a temporary change to the airplane flight manual and placard installation. You may obtain further information by examining the MCAI in the AD docket.

## Relevant Service Information

Piaggio Aero Industries S.p.A. has issued Service Bulletin (Mandatory) N.: SB 80-0275, Rev. N. 0, dated June 15, 2009, and Piaggio Aero Industries has issued P180-Service Letter No. SL-80-0202, dated January 30, 2009. The actions described in this service information are intended to correct the unsafe condition identified in the MCAI.

## FAA's Determination and Requirements of the Proposed AD

This product has been approved by the aviation authority of another country, and is approved for operation in the United States. Pursuant to our bilateral agreement with this State of Design Authority, they have notified us of the unsafe condition described in the MCAI and service information referenced above. We are proposing this AD because we evaluated all information and determined the unsafe condition exists and is likely to exist or develop on other products of the same type design.

## Differences Between This Proposed AD and the MCAI or Service Information

We have reviewed the MCAI and related service information and, in general, agree with their substance. But we might have found it necessary to use different words from those in the MCAI to ensure the AD is clear for U.S. operators and is enforceable. In making these changes, we do not intend to differ substantively from the information provided in the MCAI and related service information.

                    We might also have proposed different actions in this AD from those in the MCAI in order to follow FAA policies. Any such differences are highlighted in a Note within the proposed AD.                          ( print page 67641)    

## Costs of Compliance

We estimate that this proposed AD will affect 100 products of U.S. registry. We also estimate that it would take about 1 work-hour per product to comply with the basic requirements of this proposed AD. The average labor rate is $85 per work-hour. Required parts would cost about $50 per product.

Based on these figures, we estimate the cost of the proposed AD on U.S. operators to be $13,500, or $135 per product.

## Authority for This Rulemaking

Title 49 of the United States Code specifies the FAA's authority to issue rules on aviation safety. Subtitle I, section 106, describes the authority of the FAA Administrator. “Subtitle VII: Aviation Programs,” describes in more detail the scope of the Agency's authority.

We are issuing this rulemaking under the authority described in “Subtitle VII, Part A, Subpart III, Section 44701: General requirements.” Under that section, Congress charges the FAA with promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce. This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action.

## Regulatory Findings

We determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would not have a substantial direct effect on the States, on the relationship between the national Government and the States, or on the distribution of power and responsibilities among the various levels of government.

For the reasons discussed above, I certify this proposed regulation:

1. Is not a “significant regulatory action” under Executive Order 12866;

2. Is not a “significant rule” under the DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979); and

3. Will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act.

We prepared a regulatory evaluation of the estimated costs to comply with this proposed AD and placed it in the AD docket.

# List of Subjects in 14 CFR Part 39

      - Air transportation
      - Aircraft
      - Aviation safety
      - Incorporation by reference
      - Safety

## The Proposed Amendment

Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 14 CFR part 39 as follows:

# PART 39—AIRWORTHINESS DIRECTIVES

1. The authority citation for part 39 continues to read as follows:

Authority:49 U.S.C. 106(g), 40113, 44701.

§ 39.13 

2. The FAA amends § 39.13 by adding the following new AD:

**Piaggio Aero Industries S.p.A.:**                                 Docket No. FAA-2010-1099; Directorate Identifier 2010-CE-054-AD.                            

## Comments Due Date

(a) We must receive comments by December 20, 2010.

## Affected ADs

(b) None.

## Applicability

(c) This AD applies to Piaggio Aero Industries S.p.A. Model PIAGGIO P-180 airplanes, all manufacturer serial numbers (MSN), certificated in any category.

## Subject

(d) Air Transport Association of America (ATA) Code 50: Cargo and Accessory Compartments.

## Reason

(e) The mandatory continuing airworthiness information (MCAI) states:

Compass mismatch (up to loss of heading information) were reported by operators, due to ferro-magnetic masses (like the telescopic Tow-Bar) stowed in the baggage compartment. A limitation was added to the approved Airplane Flight Manual, stating that the towing bar P/N 01-1227-0000 or similar ferromagnetic masses are prohibited to be carried in the baggage compartment.

Temporary Change No. 7 to the Pilot's Operating Handbook and EASA Approved Airplane Flight Manual Rep. 6591, issued: February 24, 2009, include MCAI that has maintenance requirements and/or airworthiness limitations developed by Piaggio Aero Industries S.p.A. and Piaggio Aero Industries. These revisions are approved and considered mandatory by the European Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Community. Failure to comply with the MCAI constitutes an unsafe condition. The MCAI requires incorporating a temporary change to the airplane flight manual and placard installation.

## Actions and Compliance

(f) Unless already done, within 5 flights after the effective date of this AD, do the following actions:

                                (1)                                 *For MSN 1004 through 1104:*                                 Incorporate Temporary Change No. 7 to the Pilot's Operating Handbook and EASA Approved Airplane Flight Manual Rep. 6591, issued: February 24, 2009, in the Limitations Section following Piaggio Aero Industries S.p.A. Service Bulletin (Mandatory) N.: SB 80-0275, Rev. N. 0, dated June 15, 2009.                            

                                (2)                                 *For MSN 1105 and subsequent:*                                 Incorporate Temporary Change No. 11 to the EASA Approved Airplane Flight Manual Rep. 180-MAN-0010-01100, issued: February 24, 2009, in the Limitations Section following Piaggio Aero Industries S.p.A. Service Bulletin (Mandatory) N.: SB 80-0275, Rev. N. 0, dated June 15, 2009, and Piaggio Aero Industries P180-Service Letter No. SL-80-0202, dated January 30, 2009.                            

                                (3)                                 *All MSN:*                                 Install the part number 80K347593-005 limitation placard in the front of the baggage compartment door following Piaggio Aero Industries S.p.A. Service Bulletin (Mandatory) N.: SB 80-0275, Rev. N. 0, dated June 15, 2009.                            

## FAA AD Differences

# Note:

 This AD differs from the MCAI and/or service information as follows: Revisions and changes to the Limitations Section of the AFM are mandatory in Europe as part of the European regulatory process upon issuance by the type certificate holder. The FAA must mandate any such changes through rulemaking, specifically in this case an airworthiness directive.

## Other FAA AD Provisions

(g) The following provisions also apply to this AD:

                                (1)                                 *Alternative Methods of Compliance (AMOCs):*                                 The Manager, Standards Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Sarjapur Nagarajan, Aerospace Engineer, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4145; fax: (816) 329-4090. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO.                            

                                (2)                                 *Airworthy Product:*                                 For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service.                            

                                (3)                                 *Reporting Requirements:*                                 For any reporting requirement in this AD, a federal agency may not conduct or sponsor, and a person is not required to respond to, nor shall a person be subject to a penalty for failure to comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a current                                       ( print page 67642)                                    valid OMB Control Number. The OMB Control Number for this information collection is 2120-0056. Public reporting for this collection of information is estimated to be approximately 5 minutes per response, including the time for reviewing instructions, completing and reviewing the collection of information. All responses to this collection of information are mandatory. Comments concerning the accuracy of this burden and suggestions for reducing the burden should be directed to the FAA at: 800 Independence Ave., SW., Washington, DC 20591, Attn: Information Collection Clearance Officer, AES-200.                            

## Related Information

                                (h) Refer to Piaggio Aero Industries S.p.A. Service Bulletin (Mandatory) N.: SB 80-0275, Rev. N. 0, dated June 15, 2009, and Piaggio Aero Industries P180-Service Letter No. SL-80-0202, dated January 30, 2009, for related information. For service information related to this AD, contact Piaggio Aero Industries S.p.A., Via Cibrario, 4-16154 Genoa, Italy; phone: +39 010 6481 353; fax: +39 010 6481 881; email:                                 *airworthiness@piaggioaero.it;*                                 Internet:                                 *http://www.piaggioaero.com.*                                 You may review copies of the referenced service information at the FAA, Small Airplane Directorate, 901 Locust, Kansas City, Missouri 64106. For information on the availability of this material at the FAA, call 816-329-4148.                            

Issued in Kansas City, Missouri, on October 28, 2010.

John Colomy,

Acting Manager, Small Airplane Directorate, Aircraft Certification Service.

[FR Doc. 2010-27723 Filed 11-2-10; 8:45 am]

BILLING CODE 4910-13-P