Proposed Amendment of Class E Airspace; Glendive, MT, 41145-41147 [2011-17540]

Download as PDF Federal Register / Vol. 76, No. 134 / Wednesday, July 13, 2011 / Proposed Rules temperatures impose a greater low-cycle fatigue life debit for each operating cycle, requiring removing the affected shafts before reaching their certified life limits. All of the cracked shafts were from the same fleet and engine model. This condition, if not corrected, could result in failure of the HPC shaft that could lead to an uncommanded in-flight shutdown or a possible uncontained engine failure and damage to the airplane. FAA’s Determination We are proposing this AD because we evaluated all the relevant information and determined the unsafe condition described previously is likely to exist or develop in other products of the same type design. Proposed AD Requirements This proposed AD would require: • For HPC shafts that have more than 4,500 cycles-since-new (CSN) on the effective date of this AD, removing the HPC shaft from service within 500 cycles-in-service (CIS) after the effective date of this proposed AD or at the next shop visit after the effective date of this proposed AD, whichever occurs first. • For HPC shafts that have 4,500 or fewer CSN on the effective date of this AD, removing the HPC shaft from service before exceeding 5,000 CSN. Costs of Compliance We estimate that this proposed AD would not affect any engines installed on airplanes of U.S. registry. 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), (3) Will not affect intrastate aviation in Alaska, 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. List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, 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. srobinson on DSK4SPTVN1PROD with PROPOSALS Authority for This Rulemaking § 39.13 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. 2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD): Regulatory Findings We determined that this proposed AD would not have federalism implications VerDate Mar<15>2010 16:42 Jul 12, 2011 Jkt 223001 [Amended] Pratt & Whitney Corp: Docket No. FAA– 2011–0731; Directorate Identifier 2010– NE–39–AD. (a) Comments Due Date We must receive comments by August 29, 2011. 41145 (f) Engines With an HPC Shaft, P/N 808071, That Has More Than 4,500 Cycles-SinceNew (CSN) For engines with an HPC shaft, P/N 808071, that has more than 4,500 CSN on the effective date of this AD, remove the HPC shaft from service within 500 cycles-inservice (CIS) after the effective date of the AD or at piece-part exposure, whichever occurs first. (g) Engines With an HPC Shaft, P/N 808071, That Has 4,500 or Fewer CSN For engines with an HPC shaft, P/N 808071, that has 4,500 or fewer CSN on the effective date of this AD, remove the HPC shaft from service before exceeding 5,000 CSN. (h) Engines With an HPC Shaft, P/N 808070, Removal From Service For engines with an HPC shaft, P/N 808070, remove the HPC shaft, P/N 808070, from service not later than 1,200 CSN. (i) Installation Prohibition After the effective date of this AD, do not install or reinstall into any engine: (1) Any HPC shaft, P/N 808071, that is at piece-part exposure and exceeds the new lower life limit of 5,000 CSN, or (2) Any HPC shaft, P/N 808070, that is at piece-part exposure and exceeds the new lower life limit of 1,200 CSN. (j) Alternative Methods of Compliance (AMOCs) The Manager, Engine Certification Office, 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. (k) Related Information For more information about this AD, contact Ian Dargin, Aerospace Engineer, Engine Certification Office, FAA, 12 New England Executive Park, Burlington, MA 01803; phone: 781–238–7178; fax: 781–238– 7199; e-mail: ian.dargin@faa.gov. Issued in Burlington, Massachusetts, on July 7, 2011. Peter A. White, Acting Manager, Engine & Propeller Directorate, Aircraft Certification Service. [FR Doc. 2011–17622 Filed 7–12–11; 8:45 am] BILLING CODE 4910–13–P (b) Affected ADs None. (c) Applicability Pratt & Whitney Corp (PW) JT9D–7R4H1 turbofan engines with a high-pressure compressor (HPC) shaft, part numbers (P/Ns) 808070 or 808071, installed. DEPARTMENT OF TRANSPORTATION (d) Unsafe Condition This AD was prompted by reports of cracks in five HPC shafts. We are issuing this AD to correct the unsafe condition on these products. [Docket No. FAA–2011–0560; Airspace Docket No. 11–ANM–15] (e) Compliance Comply with this AD within the compliance times specified, unless already done. PO 00000 Frm 00004 Fmt 4702 Sfmt 4702 Federal Aviation Administration 14 CFR Part 71 Proposed Amendment of Class E Airspace; Glendive, MT Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). AGENCY: E:\FR\FM\13JYP1.SGM 13JYP1 41146 Federal Register / Vol. 76, No. 134 / Wednesday, July 13, 2011 / Proposed Rules This action proposes to modify Class E airspace at Dawson Community Airport, Glendive, MT, to accommodate aircraft using Area Navigation (RNAV) Global Positioning System (GPS) standard instrument approach procedures at the airport. The FAA is proposing this action to enhance the safety and management of aircraft operations at the airport. DATES: Comments must be received on or before August 29, 2011. ADDRESSES: Send comments on this proposal to the U.S. Department of Transportation, Docket Operations, M– 30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue, SE., Washington, DC 20590; telephone (202) 366–9826. You must identify FAA Docket No. FAA–2011–0560; Airspace Docket No. 11–ANM–15, at the beginning of your comments. You may also submit comments through the Internet at https://www.regulations.gov. FOR FURTHER INFORMATION CONTACT: Eldon Taylor, Federal Aviation Administration, Operations Support Group, Western Service Center, 1601 Lind Avenue, SW., Renton, WA 98057; telephone (425) 203–4537. SUPPLEMENTARY INFORMATION: srobinson on DSK4SPTVN1PROD with PROPOSALS SUMMARY: Comments Invited Interested parties are invited to participate in this proposed rulemaking by submitting such written data, views, or arguments, as they may desire. Comments that provide the factual basis supporting the views and suggestions presented are particularly helpful in developing reasoned regulatory decisions on the proposal. Comments are specifically invited on the overall regulatory, aeronautical, economic, environmental, and energy-related aspects of the proposal. Communications should identify both docket numbers (FAA Docket No. FAA 2011–0560 and Airspace Docket No. 11– ANM–15) and be submitted in triplicate to the Docket Management System (see ADDRESSES section for address and phone number). You may also submit comments through the Internet at https://www.regulations.gov. Commenters wishing the FAA to acknowledge receipt of their comments on this action must submit with those comments a self-addressed stamped postcard on which the following statement is made: ‘‘Comments to FAA Docket No. FAA–2011–0560 and Airspace Docket No. 11–ANM–15’’. The postcard will be date/time stamped and returned to the commenter. All communications received on or before the specified closing date for comments will be considered before VerDate Mar<15>2010 16:42 Jul 12, 2011 Jkt 223001 taking action on the proposed rule. The proposal contained in this action may be changed in light of comments received. All comments submitted will be available for examination in the public docket both before and after the closing date for comments. A report summarizing each substantive public contact with FAA personnel concerned with this rulemaking will be filed in the docket. Availability of NPRMs An electronic copy of this document may be downloaded through the Internet at https://www.regulations.gov. Recently published rulemaking documents can also be accessed through the FAA’s Web page at https:// www.faa.gov/airports_airtraffic/ air_traffic/publications/ airspace_amendments/. You may review the public docket containing the proposal, any comments received, and any final disposition in person in the Dockets Office (see the ADDRESSES section for the address and phone number) between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. An informal docket may also be examined during normal business hours at the Northwest Mountain Regional Office of the Federal Aviation Administration, Air Traffic Organization, Western Service Center, Operations Support Group, 1601 Lind Avenue, SW., Renton, WA 98057. Persons interested in being placed on a mailing list for future NPRMs should contact the FAA’s Office of Rulemaking, (202) 267–9677, for a copy of Advisory Circular No. 11–2A, Notice of Proposed Rulemaking Distribution System, which describes the application procedure. The Proposal The FAA is proposing an amendment to Title 14 Code of Federal Regulations (14 CFR) Part 71 by modifying Class E airspace extending upward from 700 feet above the surface at Dawson Community Airport, Glendive, MT. Controlled airspace is necessary to accommodate aircraft using the RNAV (GPS) standard instrument approach procedures at Dawson Community Airport. This action would enhance the safety and management of aircraft operations at the airport. Class E airspace designations are published in paragraph 6005, of FAA Order 7400.9U, dated August 18, 2010, and effective September 15, 2010, which is incorporated by reference in 14 CFR 71.1. The Class E airspace designation listed in this document will be published subsequently in this Order. The FAA has determined this proposed regulation only involves an PO 00000 Frm 00005 Fmt 4702 Sfmt 4702 established body of technical regulations for which frequent and routine amendments are necessary to keep them operationally current. Therefore, this proposed regulation: (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); and (3) does not warrant preparation of a regulatory evaluation as the anticipated impact is so minimal. Since this is a routine matter that will only affect air traffic procedures and air navigation, it is certified this proposed rule, when promulgated, would not have a significant economic impact on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. The FAA’s authority to issue rules regarding aviation safety is found in Title 49 of the U.S. Code. Subtitle 1, Section 106, describes the authority for the FAA Administrator. Subtitle VII, Aviation Programs, describes in more detail the scope of the agency’s authority. This rulemaking is promulgated under the authority described in Subtitle VII, Part A, Subpart I, Section 40103. Under that section, the FAA is charged with prescribing regulations to assign the use of the airspace necessary to ensure the safety of aircraft and the efficient use of airspace. This regulation is within the scope of that authority as it establishes additional controlled airspace at Dawson Community Airport, Glendive, MT. List of Subjects in 14 CFR Part 71 Airspace, Incorporation by reference, Navigation (air). The Proposed Amendment Accordingly, pursuant to the authority delegated to me, the Federal Aviation Administration proposes to amend 14 CFR part 71 as follows: PART 71—DESIGNATION OF CLASS A, B, C, D AND E AIRSPACE AREAS; AIR TRAFFIC SERVICE ROUTES; AND REPORTING POINTS 1. The authority citation for 14 CFR part 71 continues to read as follows: Authority: 49 U.S.C. 106(g), 40103, 40113, 40120; E.O. 10854, 24 FR 9565, 3 CFR, 1959– 1963 Comp., p. 389. § 71.1 [Amended] 2. The incorporation by reference in 14 CFR 71.1 of the Federal Aviation Administration Order 7400.9U, Airspace Designations and Reporting Points, dated August 18, 2010, and E:\FR\FM\13JYP1.SGM 13JYP1 Federal Register / Vol. 76, No. 134 / Wednesday, July 13, 2011 / Proposed Rules effective September 15, 2010 is amended as follows: Paragraph 6005 Class E airspace areas extending upward from 700 feet or more above the surface of the earth. * * * * * ANM MT E5 Glendive, MT [Modify] Glendive, Dawson Community Airport, MT (Lat. 47°08′19″ N., long. 104°48′26″ W.) That airspace extending upward from 700 feet above the surface within a 10.5-mile radius of the Dawson Community Airport, and within 4 miles northeast and 8.3 miles southwest of the 325° bearing from the Dawson Community Airport extending from the 10.5-mile radius to 16.1 miles northwest of the airport; that airspace extending upward from 1,200 feet above the surface within an area bounded by lat. 47°38′00″ N., long. 104°48′00″ W.; to lat. 47°17′00″ N., long. 104°05′00″ W.; to lat. 46°54′00″ N., long. 104°05′00″ W.; to lat. 46°45′00″ N., long. 105°09′00″ W.; to lat. 47°00′00″ N., long. 105°37′00″ W.; to lat. 47°19′00″ N., long. 105°15′00″ W., thence to the point of beginning. Issued in Seattle, Washington, on July 6, 2011. John Warner, Manager, Operations Support Group, Western Service Center. [FR Doc. 2011–17540 Filed 7–12–11; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 71 [Docket No. FAA–2011–0517; Airspace Docket No. 11–AWP–7] Proposed Establishment of Class E Airspace; Chinle, AZ Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). AGENCY: This action proposes to establish Class E airspace at Chinle Municipal Airport, Chinle, AZ to accommodate aircraft using new Area Navigation (RNAV) Global Positioning System (GPS) standard instrument approach procedures at Chinle Municipal Airport. The FAA is proposing this action to enhance the safety and management of aircraft operations at Chinle Municipal Airport. DATES: Comments must be received on or before August 29, 2011. ADDRESSES: Send comments on this proposal to the U.S. Department of Transportation, Docket Operations, M– 30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue, SE., srobinson on DSK4SPTVN1PROD with PROPOSALS SUMMARY: VerDate Mar<15>2010 16:42 Jul 12, 2011 Jkt 223001 Washington, DC 20590; telephone (202) 366–9826. You must identify FAA Docket No. FAA–2011–0517; Airspace Docket No. 11–AWP–7, at the beginning of your comments. You may also submit comments through the Internet at https://www.regulations.gov. FOR FURTHER INFORMATION CONTACT: Eldon Taylor, Federal Aviation Administration, Operations Support Group, Western Service Center, 1601 Lind Avenue, SW., Renton, WA 98057; telephone (425) 203–4537. SUPPLEMENTARY INFORMATION: Comments Invited Interested parties are invited to participate in this proposed rulemaking by submitting such written data, views, or arguments, as they may desire. Comments that provide the factual basis supporting the views and suggestions presented are particularly helpful in developing reasoned regulatory decisions on the proposal. Comments are specifically invited on the overall regulatory, aeronautical, economic, environmental, and energy-related aspects of the proposal. Communications should identify both docket numbers (FAA Docket No. FAA 2011–0517 and Airspace Docket No. 11– AWP–7) and be submitted in triplicate to the Docket Management System (see ADDRESSES section for address and phone number). You may also submit comments through the Internet at https://www.regulations.gov. Commenters wishing the FAA to acknowledge receipt of their comments on this action must submit with those comments a self-addressed stamped postcard on which the following statement is made: ‘‘Comments to FAA Docket No. FAA–2011–0517 and Airspace Docket No. 11–AWP–7’’. The postcard will be date/time stamped and returned to the commenter. All communications received on or before the specified closing date for comments will be considered before taking action on the proposed rule. The proposal contained in this action may be changed in light of comments received. All comments submitted will be available for examination in the public docket both before and after the closing date for comments. A report summarizing each substantive public contact with FAA personnel concerned with this rulemaking will be filed in the docket. Availability of NPRMs An electronic copy of this document may be downloaded through the Internet at https://www.regulations.gov. Recently published rulemaking PO 00000 Frm 00006 Fmt 4702 Sfmt 4702 41147 documents can also be accessed through the FAA’s Web page at https:// www.faa.gov/airports_airtraffic/ air_traffic/publications/ airspace_amendments/. You may review the public docket containing the proposal, any comments received, and any final disposition in person in the Dockets Office (see the ADDRESSES section for the address and phone number) between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. An informal docket may also be examined during normal business hours at the Northwest Mountain Regional Office of the Federal Aviation Administration, Air Traffic Organization, Western Service Center, Operations Support Group, 1601 Lind Avenue, SW., Renton, WA 98057. Persons interested in being placed on a mailing list for future NPRMs should contact the FAA’s Office of Rulemaking, (202) 267–9677, for a copy of Advisory Circular No. 11–2A, Notice of Proposed Rulemaking Distribution System, which describes the application procedure. The Proposal The FAA is proposing an amendment to Title 14 Code of Federal Regulations (14 CFR) part 71 by establishing Class E airspace extending upward from 700 feet above the surface at Chinle Municipal Airport, Chinle, AZ. Controlled airspace is necessary to accommodate aircraft using new RNAV (GPS) standard instrument approach procedures at Chinle Municipal Airport. This action would enhance the safety and management of IFR operations at the airport. Class E airspace designations are published in paragraph 6005, of FAA Order 7400.9U, dated August 18, 2010, and effective September 15, 2010, which is incorporated by reference in 14 CFR 71.1. The Class E airspace designation listed in this document will be published subsequently in this Order. The FAA has determined this proposed regulation only involves an established body of technical regulations for which frequent and routine amendments are necessary to keep them operationally current. Therefore, this proposed regulation; (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); and (3) does not warrant preparation of a regulatory evaluation as the anticipated impact is so minimal. Since this is a routine matter that will only affect air traffic procedures and air navigation, it is certified this proposed rule, when promulgated, would not have a E:\FR\FM\13JYP1.SGM 13JYP1

Agencies

[Federal Register Volume 76, Number 134 (Wednesday, July 13, 2011)]
[Proposed Rules]
[Pages 41145-41147]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2011-17540]


-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 71

[Docket No. FAA-2011-0560; Airspace Docket No. 11-ANM-15]


Proposed Amendment of Class E Airspace; Glendive, MT

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

-----------------------------------------------------------------------

[[Page 41146]]

SUMMARY: This action proposes to modify Class E airspace at Dawson 
Community Airport, Glendive, MT, to accommodate aircraft using Area 
Navigation (RNAV) Global Positioning System (GPS) standard instrument 
approach procedures at the airport. The FAA is proposing this action to 
enhance the safety and management of aircraft operations at the 
airport.

DATES: Comments must be received on or before August 29, 2011.

ADDRESSES: Send comments on this proposal to the U.S. Department of 
Transportation, Docket Operations, M-30, West Building Ground Floor, 
Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590; 
telephone (202) 366-9826. You must identify FAA Docket No. FAA-2011-
0560; Airspace Docket No. 11-ANM-15, at the beginning of your comments. 
You may also submit comments through the Internet at https://www.regulations.gov.

FOR FURTHER INFORMATION CONTACT: Eldon Taylor, Federal Aviation 
Administration, Operations Support Group, Western Service Center, 1601 
Lind Avenue, SW., Renton, WA 98057; telephone (425) 203-4537.

SUPPLEMENTARY INFORMATION:

Comments Invited

    Interested parties are invited to participate in this proposed 
rulemaking by submitting such written data, views, or arguments, as 
they may desire. Comments that provide the factual basis supporting the 
views and suggestions presented are particularly helpful in developing 
reasoned regulatory decisions on the proposal. Comments are 
specifically invited on the overall regulatory, aeronautical, economic, 
environmental, and energy-related aspects of the proposal.
    Communications should identify both docket numbers (FAA Docket No. 
FAA 2011-0560 and Airspace Docket No. 11-ANM-15) and be submitted in 
triplicate to the Docket Management System (see ADDRESSES section for 
address and phone number). You may also submit comments through the 
Internet at https://www.regulations.gov.
    Commenters wishing the FAA to acknowledge receipt of their comments 
on this action must submit with those comments a self-addressed stamped 
postcard on which the following statement is made: ``Comments to FAA 
Docket No. FAA-2011-0560 and Airspace Docket No. 11-ANM-15''. The 
postcard will be date/time stamped and returned to the commenter.
    All communications received on or before the specified closing date 
for comments will be considered before taking action on the proposed 
rule. The proposal contained in this action may be changed in light of 
comments received. All comments submitted will be available for 
examination in the public docket both before and after the closing date 
for comments. A report summarizing each substantive public contact with 
FAA personnel concerned with this rulemaking will be filed in the 
docket.

Availability of NPRMs

    An electronic copy of this document may be downloaded through the 
Internet at https://www.regulations.gov. Recently published rulemaking 
documents can also be accessed through the FAA's Web page at https://www.faa.gov/airports_airtraffic/air_traffic/publications/airspace_amendments/.
    You may review the public docket containing the proposal, any 
comments received, and any final disposition in person in the Dockets 
Office (see the ADDRESSES section for the address and phone number) 
between 9 a.m. and 5 p.m., Monday through Friday, except Federal 
holidays. An informal docket may also be examined during normal 
business hours at the Northwest Mountain Regional Office of the Federal 
Aviation Administration, Air Traffic Organization, Western Service 
Center, Operations Support Group, 1601 Lind Avenue, SW., Renton, WA 
98057.
    Persons interested in being placed on a mailing list for future 
NPRMs should contact the FAA's Office of Rulemaking, (202) 267-9677, 
for a copy of Advisory Circular No. 11-2A, Notice of Proposed 
Rulemaking Distribution System, which describes the application 
procedure.

The Proposal

    The FAA is proposing an amendment to Title 14 Code of Federal 
Regulations (14 CFR) Part 71 by modifying Class E airspace extending 
upward from 700 feet above the surface at Dawson Community Airport, 
Glendive, MT. Controlled airspace is necessary to accommodate aircraft 
using the RNAV (GPS) standard instrument approach procedures at Dawson 
Community Airport. This action would enhance the safety and management 
of aircraft operations at the airport.
    Class E airspace designations are published in paragraph 6005, of 
FAA Order 7400.9U, dated August 18, 2010, and effective September 15, 
2010, which is incorporated by reference in 14 CFR 71.1. The Class E 
airspace designation listed in this document will be published 
subsequently in this Order.
    The FAA has determined this proposed regulation only involves an 
established body of technical regulations for which frequent and 
routine amendments are necessary to keep them operationally current. 
Therefore, this proposed regulation: (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); and (3) does not warrant preparation of a 
regulatory evaluation as the anticipated impact is so minimal. Since 
this is a routine matter that will only affect air traffic procedures 
and air navigation, it is certified this proposed rule, when 
promulgated, would not have a significant economic impact on a 
substantial number of small entities under the criteria of the 
Regulatory Flexibility Act.
    The FAA's authority to issue rules regarding aviation safety is 
found in Title 49 of the U.S. Code. Subtitle 1, Section 106, describes 
the authority for the FAA Administrator. Subtitle VII, Aviation 
Programs, describes in more detail the scope of the agency's authority. 
This rulemaking is promulgated under the authority described in 
Subtitle VII, Part A, Subpart I, Section 40103. Under that section, the 
FAA is charged with prescribing regulations to assign the use of the 
airspace necessary to ensure the safety of aircraft and the efficient 
use of airspace. This regulation is within the scope of that authority 
as it establishes additional controlled airspace at Dawson Community 
Airport, Glendive, MT.

List of Subjects in 14 CFR Part 71

    Airspace, Incorporation by reference, Navigation (air).

The Proposed Amendment

    Accordingly, pursuant to the authority delegated to me, the Federal 
Aviation Administration proposes to amend 14 CFR part 71 as follows:

PART 71--DESIGNATION OF CLASS A, B, C, D AND E AIRSPACE AREAS; AIR 
TRAFFIC SERVICE ROUTES; AND REPORTING POINTS

    1. The authority citation for 14 CFR part 71 continues to read as 
follows:

    Authority: 49 U.S.C. 106(g), 40103, 40113, 40120; E.O. 10854, 24 
FR 9565, 3 CFR, 1959-1963 Comp., p. 389.


Sec.  71.1  [Amended]

    2. The incorporation by reference in 14 CFR 71.1 of the Federal 
Aviation Administration Order 7400.9U, Airspace Designations and 
Reporting Points, dated August 18, 2010, and

[[Page 41147]]

effective September 15, 2010 is amended as follows:

Paragraph 6005 Class E airspace areas extending upward from 700 
feet or more above the surface of the earth.

* * * * *

ANM MT E5 Glendive, MT [Modify]

Glendive, Dawson Community Airport, MT
    (Lat. 47[deg]08'19'' N., long. 104[deg]48'26'' W.)

    That airspace extending upward from 700 feet above the surface 
within a 10.5-mile radius of the Dawson Community Airport, and 
within 4 miles northeast and 8.3 miles southwest of the 325[deg] 
bearing from the Dawson Community Airport extending from the 10.5-
mile radius to 16.1 miles northwest of the airport; that airspace 
extending upward from 1,200 feet above the surface within an area 
bounded by lat. 47[deg]38'00'' N., long. 104[deg]48'00'' W.; to lat. 
47[deg]17'00'' N., long. 104[deg]05'00'' W.; to lat. 46[deg]54'00'' 
N., long. 104[deg]05'00'' W.; to lat. 46[deg]45'00'' N., long. 
105[deg]09'00'' W.; to lat. 47[deg]00'00'' N., long. 105[deg]37'00'' 
W.; to lat. 47[deg]19'00'' N., long. 105[deg]15'00'' W., thence to 
the point of beginning.

    Issued in Seattle, Washington, on July 6, 2011.
John Warner,
Manager, Operations Support Group, Western Service Center.
[FR Doc. 2011-17540 Filed 7-12-11; 8:45 am]
BILLING CODE 4910-13-P
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