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Certification Office (ACO), ANE–170, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the ACO, send it to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516–228–7300; fax 516–794–5531. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/ certificate holding district office. The AMOC approval letter must specifically reference this AD.

(2) Contacting the Manufacturer: For any requirement in this AD to obtain corrective actions from a manufacturer, the action must be accomplished using a method approved by the Manager, New York ACO, ANE–170, Engine and Propeller Directorate, FAA; or Transport Canada Civil Aviation (TCCA); or Bombardier, Inc.’s TCCA Design Approval Organization (DAO). If approved by the DAO,the approval must include the DAOauthorized signature.
(j) Related Information

(1) Refer to Mandatory Continuing Airworthiness Information (MCAI) Canadian Airworthiness Directive CF–2014–20, dated July 9, 2014, for related information. This MCAI may be found in the AD docket on the Internet at http://www.regulations.gov/ #!documentDetail;D=FAA-2014-0750-0002.

(2) Service information identified in this AD that is not incorporated by reference is available at the addresses specified in paragraphs (k)(3) and (k)(4) of this AD.
(k) Material Incorporated by Reference

(1) The Director of the Federal Register approved the incorporation by reference (IBR) of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.

(2) You must use this service information as applicable to do the actions required by this AD, unless this AD specifies otherwise.

(i) Bombardier Service Bulletin 601R–71– 034, Revision B, dated August 1, 2014.

(ii) Reserved. (3) For service information identified in this AD, contact Bombardier, Inc., 400 Co ˆ teVertu Road West, Dorval, Que  ́bec H4S 1Y9, Canada; telephone 514–855–5000; fax 514– 855–7401; email thd.crj@ aero.bombardier.com; Internet http:// www.bombardier.com.

(4) You may view this service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For information on the availability of this material at the FAA, call 425–227–1221.

(5) You may view this service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202–741–6030, or go to: http://www.archives.gov/federal-register/cfr/ibrlocations.html. Issued in Renton, Washington, on January 30, 2015. Jeffrey E. Duven, Manager, Transport Airplane Directorate, Aircraft Certification Service.
[FR Doc. 2015–02282 Filed 2–9–15; 8:45 am]

**BILLING CODE 4910–13–P**

**DEPARTMENT OF TRANSPORTATION**

**Federal Aviation Administration**

**14 CFR Part 39**

**[Docket No. FAA–2014–0465; Directorate Identifier 2013–SW–044–AD; Amendment**  **39–18089; AD 2015–02–21]**

**RIN 2120–AA64**

**Airworthiness Directives; Agusta S.p.A. (Type Certificate Currently Held**  **by AgustaWestland S.p.A.) (Agusta) Helicopters** 

**AGENCY :**  Federal Aviation Administration (FAA), DOT.

**ACTION :**  Final rule.

**SUMMARY :**  We are adopting a new airworthiness directive (AD) for Agusta AB139 and AW139 helicopters to require replacing certain single-braidedflexible hydraulic hoses with doublebraided flexible hydraulic hoses. This AD was prompted by occurrences of leaking flexible hydraulic hoses. The actions of this AD are intended to prevent loss of hydraulic power and subsequent loss of helicopter control.

**DATES :**  This AD is effective March 17,
2015.

The Director of the Federal Register approved the incorporation by reference of a certain document listed in this AD as of March 17, 2015.

**ADDRESSES :**  For service information identified in this AD, contact Agusta Westland, Customer Support & Services, Via Per Tornavento 15, 21019 Somma Lombardo (VA) Italy, ATTN: Giovanni Cecchelli; telephone 39- 0331–711133; fax 39 0331 711180; or at http://www.agustawestland.com/technicalbullettins. You may review the referenced service information at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas 76137. It is also available on the Internet
at http://www.regulations.gov by searching for and locating Docket No. FAA–2014–0465. Examining the AD Docket

You may examine the AD docket on the Internet at http:// www.regulations.gov or in person at the Docket Operations Office between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this AD, the European Aviation Safety Agency (EASA) AD, any incorporated-by-reference service information, the economic evaluation, any comments received, and other information. The street address for the Docket Operations Office (phone: 800– 647–5527) is U.S. Department of Transportation, Docket Operations Office, M–30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue SE., Washington, DC 20590.

**FOR FURTHER INFORMATION CONTACT :**  Matt Wilbanks, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222–5110; email matt.wilbanks@faa.gov.

**SUPPLEMENTARY INFORMATION :** 

Discussion

On July 16, 2014, at 79 FR 41464, the Federal Register published our notice of proposed rulemaking (NPRM), which proposed to amend 14 CFR part 39 by adding an AD that would apply to Agusta Model AB139 and AW139 helicopters with a flexible hydraulic hose, part number (P/N) A494AE2E00E0670X, A494AE3E00E0424X, A494AE3E00E0530X, A494AE3E00E0570X, A494AE3E00E0580X, A494AE3E00E0620X, A494AE3E00E0930X, A494AE6E14E0348X, or A494AE6E21E0330X, installed. The NPRM proposed to require replacing these single-braided flexible hydraulic hoses with double-braided flexible hydraulic hoses. The proposed requirements were intended to prevent loss of hydraulic power and subsequent loss of helicopter control.

The NPRM was prompted by AD No. AD No. 2013–0177, dated August 8, 2013, issued by EASA, which is the Technical Agent for the Member States of the European Union, to correct an unsafe condition for Agusta Model AB139 and AW139 helicopters. EASA advises that leaking hydraulic systemflexible hoses have been reported on inservice helicopters. An investigation indicated that single braided flexible hydraulic hoses, which are part of the original design for Model AB139 and AW139 helicopters, may not be strong enough to cope with the hydraulic system pressure over long periods. If not corrected, this condition could lead to other hydraulic system leaks, possibly resulting in loss of hydraulic power and reduced control of the helicopter, EASA


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advises. EASA consequently requires that the flexible single-braided hydraulic hoses be replaced with flexible double-braided hydraulic hoses.

Comments

We gave the public the opportunity to participate in developing this AD, but we received no comments on the NPRM (79 FR 41464, July 16, 2014).

FAA’s Determination

These helicopters have been approved by the aviation authority of Italy and are approved for operation in the United States. Pursuant to our bilateral agreement with Italy, EASA, its technical representative, has notified us of the unsafe condition described in the EASA AD. We are issuing this AD because we evaluated all information provided by EASA and determined the unsafe condition exists and is likely to exist or develop on other helicopters of these same type designs and that air safety and the public interest require adopting the AD requirements as proposed.

Differences Between This AD and the EASA AD

The EASA AD requires replacing the flexible single-braided hydraulic hoses within 300 flight hours or 6 months, whichever occurs first. This AD requires that the flexible single-braided hydraulic hoses be replaced within 300 hours time-in-service (TIS). TIS and flight hours are synonymous.

Related Service Information Under 1 CFR Part 51

AgustaWestland Bolletino Tecnico No. 139–307, dated June 19, 2013 (BT), calls for replacing certain single braided flexible hydraulic hoses with double braided flexible hydraulic hoses for Model AB139 and AW139 helicopters. The BT states that the replacement should be conducted within 300 flight hours or six months from receipt of the BT, whichever comes first, to prevent in-service leaks. This service information is reasonably available; see

**ADDRESSES** for ways to access this service information. Costs of Compliance

We estimate that this AD affects 115 helicopters of U.S. Registry and that labor costs average $85 per work-hour. Based on these estimates, we expect that replacing the flexible single-braidedhydraulic hoses with flexible doublebraided hydraulic flexible hoses will require 6 work-hours for a labor cost of $510. Parts cost $3,089 for a total cost of $3,599 per helicopter, and $413,885 for the U.S. fleet. 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 helicopters identified in this rulemaking action. Regulatory Findings

This AD will not have federalism implications under Executive Order 13132. This AD will 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 that this AD:

(1) Is not a ‘‘significant regulatory action’’ under Executive Order 12866;

(2) Is not a ‘‘significant rule’’ under DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979);

(3) Will not affect intrastate aviation in Alaska to the extent that it justifies making a regulatory distinction; and

(4) 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 an economic evaluation of the estimated costs to comply with this 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. Adoption of the Amendment

Accordingly, under the authority delegated to me by the Administrator, the FAA amends 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 [Amended]**

■ 2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD):
2015–02–21 Agusta S.p.A. (Type certificate currently held by AgustaWestland S.p.A.) (Agusta) Helicopters: Amendment 39–18089; Docket No. FAA–2014–0465; Directorate Identifier 2013–SW–044–AD.
(a) Applicability

This AD applies to Agusta Model AB139 and AW139 helicopters with a flexible hydraulic hose, part number (P/N) A494AE2E00E0670X, A494AE3E00E0424X, A494AE3E00E0530X, A494AE3E00E0570X, A494AE3E00E0580X, A494AE3E00E0620X, A494AE3E00E0930X, A494AE6E14E0348X, or A494AE6E21E0330X, installed, certificated in any category.

(b) Unsafe Condition

This AD defines the unsafe condition as a leak in a hydraulic system flexible hose. This condition could result in loss of hydraulic power and subsequent loss of helicopter control.

(c) Effective Date

This AD becomes effective March 17, 2015.
(d) Compliance

You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time.
(e) Required Actions

(1) Within 300 hours time-in-service, replace each flexible hydraulic hose with a double braided flexible hydraulic hose in accordance with the Compliance Instructions, Part I, paragraphs 5 through 7; Part II, paragraphs 5 through 7; Part III, paragraphs 5 through 6; Part IV, paragraphs 5 through 6; and Part V, paragraphs 5 through 7; as applicable for your helicopter serial number and configuration, of AgustaWestland Bolletino Tecnico No. 139– 307, dated June 19, 2013.

(2) Do not install a flexible hydraulic hose, P/N A494AE2E00E0670X, A494AE3E00E0424X, A494AE3E00E0530X, A494AE3E00E0570X, A494AE3E00E0580X, A494AE3E00E0620X, A494AE3E00E0930X, A494AE6E14E0348X, or A494AE6E21E0330X, on any helicopter.
(f) Alternative Methods of Compliance (AMOCs)

(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Matt Wilbanks, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222–5110; email matt.wilbanks@faa.gov.

(2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, we suggest that you notify your principal inspector, or


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lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office, before operating any aircraft complying with this AD through an AMOC.
(g) Additional Information

The subject of this AD is addressed in European Aviation Safety Agency (EASA) AD No. 2013–0177, dated August 8, 2013. You may view the EASA AD on the Internet at http://www.regulations.gov in Docket No. FAA–2014–0465. (h) Subject

Joint Aircraft Service Component (JASC) Code: 2910, Hydraulic System, Main.
(i) Material Incorporated by Reference

(1) The Director of the Federal Register approved the incorporation by reference of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.

(2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise.

(i) AgustaWestland Bolletino Tecnico No. 139–307, dated June 19, 2013.

(ii) Reserved. (3) For Agusta service information identified in this AD, contact Agusta Westland, Customer Support & Services, Via Per Tornavento 15, 21019 Somma Lombardo (VA) Italy, ATTN: Giovanni Cecchelli; telephone 39- 0331–711133; fax 39 0331 711180; or at http://www.agustawestland.com/technicalbullettins.

(4) You may view this service information at FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas 76137. For information on the availability of this material at the FAA, call (817) 222–5110.

(5) You may view this service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call (202) 741–6030, or go to: http://www.archives.gov/federal-register/cfr/ibrlocations.html.

Issued in Fort Worth, Texas, on January 16,
2015. Lance T. Gant, Acting Directorate Manager, Rotorcraft Directorate, Aircraft Certification Service.
[FR Doc. 2015–01809 Filed 2–9–15; 8:45 am]

**BILLING CODE 4910–13–P DEPARTMENT OF ENERGY** 

**Federal Energy Regulatory Commission** 

**18 CFR Part 157**

**[Docket No. RM81–19–000]**

**Natural Gas Pipelines; Project Cost and Annual Limits** 

**AGENCY :**  Federal Energy Regulatory Commission, Energy.

**ACTION :**  Final rule.

**SUMMARY :**  Pursuant to the authority delegated, the Director of the Office of Energy Projects (OEP) computes and publishes the project cost and annual limits for natural gas pipelines blanket construction certificates for each calendar year.

**DATES :**  This final rule is effective February 10, 2015 and establishes cost limits applicable from January 1, 2015, through December 31, 2015.

**FOR FURTHER INFORMATION CONTACT :**  Pamela J. Boudreau, Chief, Certificates Branch 2, Division of Pipeline Certificates, (202) 502–6854.

**SUPPLEMENTARY INFORMATION :**  Section 157.208(d) of the Commission’s Regulations provides for project cost limits applicable to construction, acquisition, operation and miscellaneous rearrangement of facilities (Table I) authorized under the blanket certificate procedure (Order No. 234, 19 FERC ¶ 61,216). Section 157.215(a) specifies the calendar year dollar limit which may be expended on underground storage testing and development (Table II) authorized under the blanket certificate. Section 157.208(d) requires that the ‘‘limits specified in Tables I and II shall be adjusted each calendar year to reflect the ‘GDP implicit price deflator’ published by the Department of Commerce for the previous calendar year.’’

Pursuant to § 375.308(x)(1) of the Commission’s Regulations, the authority for the publication of such cost limits, as adjusted for inflation, is delegated to the Director of the Office of Energy Projects. The cost limits for calendar year 2015, as published in Table I of § 157.208(d) and Table II of § 157.215(a), are hereby issued.

Effective Date

This final rule is effective February 10, 2015. The provisions of 5 U.S.C. 804 regarding Congressional review of Final Rules does not apply to the Final Rule because the rule concerns agency procedure and practice and will not substantially affect the rights or obligations of non-agency parties. The Final Rule merely updates amounts published in the Code of Federal Regulations to reflect the Department of Commerce’s latest annual determination of the Gross Domestic Product (GDP) implicit price deflator, a mathematical updating required by the Commission’s existing regulations.
List of Subjects in 18 CFR Part 157

Administrative practice and procedure, Natural Gas, Reporting and recordkeeping requirements.

Jeff C. Wright, Director, Office of Energy Projects.

Accordingly, 18 CFR part 157 is amended as follows:

**PART 157—[AMENDED]**

■ 1. The authority citation for Part 157 continues to read as follows:

Authority: 15 U.S.C. 717–717w, 3301– 3432; 42 U.S.C. 7101–7352.

■ 2. Table I in § 157.208(d) is revised to read as follows:

**§ 157.208 Construction, acquisition, operation, replacement, and miscellaneous**  **rearrangement of facilities.**

* * * * *

(d) * * *



### TABLE 

### I

Year Limit

Auto. proj. cost limit (Col. 1) Prior notice proj. cost limit (Col. 2)

1982 ........................................................................................................................... .................................. $4,200,000 $12,000,000
1983 ........................................................................................................................... .................................. 4,500,000 12,800,000 1984 ........................................................................................................................... .................................. 4,700,000 13,300,000 1985 ........................................................................................................................... .................................. 4,900,000 13,800,000 1986 ........................................................................................................................... .................................. 5,100,000 14,300,000 1987 ........................................................................................................................... .................................. 5,200,000 14,700,000 1988 ........................................................................................................................... .................................. 5,400,000 15,100,000