BEFORE THE DEPARTMENT OF TRANSPORTATION WASHINGTON, D.C.

Joint Application of DELTA AIR LINES, INC. KOREAN AIR LINES CO., LTD. and MESABA AVIATION, INC. for a statement of authorization pursuant to 14 C.F.R. Part 212 ) ) ) ) ) ) ) ) ) ) Docket DOT-OST-2003-14367

JOINT APPLICATION OF DELTA AIR LINES, INC., KOREAN AIR LINES CO., LTD., AND MESABA AVIATION, INC. FOR A STATEMENT OF AUTHORIZATION Communications with respect to this document should be sent to:
Alexander Van der Bellen, Managing Director, Government Affairs and Associate General Counsel Jeff Morgan Regional Director, Government Affairs DELTA AIR LINES, INC. 1212 New York Avenue, NW Suite 200 Washington, DC 20005 (202) 842-4184 sascha.vanderbellen@delta.com William H. Callaway, Jr. Jonathon H. Foglia ZUCKERT, SCOUTT & RASENBERGER, L.L.P. 888 Seventeenth Street, NW Suite 700 Washington, DC 20006 (202) 973-7906 whcallaway@zsrlaw.com jhfoglia@zsrlaw.com Counsel for KOREAN AIR LINES CO., LTD.

September 29, 2011 Megan Rae Rosia Vice President Government & Regulatory Affairs PINNACLE AIRLINES CORP. One Commerce Square 40 S. Main St. Memphis, TN 38103 (703) 476-4889 mrosia@pncl.com Counsel for MESABA AVIATION, INC.

Notice: The Joint Applicants intend to poll the U.S. carrier representatives on the attached service list regarding this Application and will notify the Department of the results as soon as possible.BEFORE THE DEPARTMENT OF TRANSPORTATION WASHINGTON, D.C.

Joint Application of DELTA AIR LINES, INC. KOREAN AIR LINES CO., LTD. and MESABA AVIATION, INC. for a statement of authorization pursuant to 14 C.F R. Part 212 ) ) ) ) ) ) ) ) ) ) Docket DOT-OST-2003-14367

JOINT APPLICATION OF DELTA AIR LINES, INC., KOREAN AIR LINES CO., LTD., AND MESABA AVIATION, INC. FOR A STATEMENT OF AUTHORIZATION

Delta Air Lines, Inc. (“Delta”), Korean Air Lines Co., Ltd. ("Korean") and Mesaba Aviation, Inc. (“Mesaba”) (together, the “Joint Applicants”) hereby apply for authority to expand Korean’s existing codesharing on Delta to include Delta Connection operations by Mesaba. Specifically, pursuant to 14 C.F.R. Part 212, Mesaba seeks a blanket statement of authorization allowing Mesaba to display Korean’s “KE*” code on Delta Connection flights Mesaba operates: (a) within the United States (in conjunction with Korean’s services in foreign air transportation), and (b) between the United States and third

countries. 1 Mesaba requests that its statement of authorization be valid for an indefinite period subject to the Department’s normal code share conditions. 2 In support of this Joint Application, Delta, Korean, and Mesaba state as follows:

1 To the extent necessary, the Joint Applicants reques t consolidation of this Application into Docket DOT-OST-2003-14367, the Docket established by the Department for the administration of the grant of the blanket statements of authorization issued to Korean, Delta and Delta Connection carriers Comair and Atlantic Southeast Airlines.

2 The Joint Applicants request a waiver of t he 45-day advance filing requirement for codeshare statements of authorization under 14 C.F.R. Part 212 so that the proposed codeshare services may begin without delay.Joint Application of Delta, Korean, and Mesaba Page 2 1. Mesaba is a certificated U.S. air carrier that operates flights for marketing and sale by Delta. 2. The Department has previously appr oved Delta/Korean blanket statements of authorization for reciprocal codesharing. See Department action dated August 6, 1998, (Undocketed; No. 98-394). The Department also has previously approved blanket

statements of authorization for Delta Connection carriers Comair and Atlantic Southeast Airlines to display Korean’s code. See Department action dated March 11, 2003 in Docket DOT-OST-2003-14367. The proposed services are fully consistent with the Department’s prior codeshare approvals and with the U.S.-Korea Open Skies Agreement. 3. Delta, Korean, and Mesaba have agreed to expand codesharing to encompass flights operated by Mesaba on Delta’s behalf. Accordingly, the Joint Applicants request a blanket statement of authorization under 14 C.F.R. Part 212, permitting Mesaba to display Korean’s “KE*” designator code on flights operated by Mesaba: (a) within the United States (in conjunction with Korean’s services in foreign air transportation), and (b) between the United States and third countries. 4. The proposed codeshare services will be operated pursuant to the Delta/Korean codeshare agreement previ ously approved by the Department and an ancillary Delta/Korean/Mesaba codeshare agreement. A redacted copy of the ancillary Delta/ Korean/Mesaba codeshare agreement is attached to this Application. 5. Korean holds a foreign air carrier permit authorizing it to engage in the full scope of foreign air transportation permissible under the U.S.-Korea Open Skies Agreement. See Order 2003-11-20. 6. The same public interest considerations that supported the grant of codeshare authority to Korean and Delta apply with equal force to the services operated by Mesaba on behalf of Delta. Korean and Delta have a longstanding codesharingJoint Application of Delta, Korean, and Mesaba Page 3 relationship, and grant of this Application will enable Korean to further expand its on-line service options to additional U.S. and beyond-U.S. cities. 7. The Joint Applicants’ initial codeshare markets are listed at Exhibit A-2 to the attached codeshare agreement. To the extent necessary, the Joint Applicants request that the authority requested here for Korean codesharing on Mesaba be administered jointly with the authority for Korean codesharing on Delta and other Delta Connection carriers in Docket DOT-OST-2003-14367 such that any non-open skies point 30-day notice given is deemed notice for all of the operating carriers authorized in this docket, except for U.S.-Mexico service where notices will continue to be provided on an operatingcarrier specific basis. The Joint Applicants incorporate by reference all previous nonMexico codeshare-point notices provided in this docket, including the March 18, 2009 Delta/Korean blanket open skies codeshare notice. 3 8. Mesaba is not a CRAF participant. 9. The Joint Applicants will conduct these codeshare services in accordance with 14 C.F.R. Part 257 and the other conditions normally imposed by the Department on codesharing statements of authorization. WHEREFORE, Delta, Korean, and Mesaba request that the Department promptly grant the authority described herein.

3 In the March 18, 2009 notification, Delta and Korean informed the Department of their intention to engage in reciprocal codesharing in any open skies market, thereby simplifying the Department’s administration of such routine and non-controversia l services, consistent with the Department’s regulatory streamlining policy, including the grant of broad economic authority to serve any point(s) in open skies countries. That notification reli ed on previously granted blanket statements of authorization in Docket OST-2003-14637 (Mar. 11, 2003) (permitting Delta Connection carriers Comair and Atlantic Southeast Airlines to display Korean’s designator code on Delta Connection services within the United States and between the United States and third countries) and by Department action 98-394 (Aug. 6, 1998) (per mitting Delta and Korean to engage in reciprocal codesharing). The Joint Applicants understand that Comair and Atlantic Southeast Airlines may display Korean’s designator code in open skies markets covered by the March 18, 2009, notice without filing notices of additional codesharing in su ch markets. Through this Application, Delta, Korean and Mesaba seek to obtain the same oper ational flexibility for Delta Connection flights operated by Mesaba.Joint Application of Delta, Korean, and Mesaba Page 4

Respectfully submitted,

/s/ William H. Callaway, Jr. /s/ Megan Rae Rosia

________________________________ ________________________________ William H. Callaway, Jr. ZUCKERT, SCOUTT & RASENBERGER, L.L.P. Counsel for KOREAN AIR LINES CO., LTD Vice President, Government Affairs PINNACLE AIRLINES CORP. Counsel for MESABA AVIATION, INC.

________________________________ Alexander Van der Bellen Managing Director, Government Affairs & Associate General Counsel DELTA AIR LINES, INC.CERTIFICATE OF SERVICE A copy of the foregoing document has been served this 29th day of September, 2011, upon the following persons via email:

carl.nelson@aa.com dan.weiss@coair.com thomas.bolling@united.com howard.kass@usairways.com benjamin.slocum@usairways.com jhill@dowlohnes.com (for Hawaiian) esta.rosenberg@dot.gov info@airlineinfo.com