Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Aircraft Services CORP
   2. Issuer Name and Ticker or Trading Symbol
Regency Energy Partners LP [RGNC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Owner of General Partner
(Last)
(First)
(Middle)
1700 PACIFIC AVENUE, SUITE 2900		 3. Date of Earliest Transaction (Month/Day/Year)
01/07/2008
(Street)

DALLAS, TX 75201		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Class E Common Units (1) (1) 01/07/2008   J   4,701,034 (2)     (1)   (1) Common Units 4,701,034 (3) 4,701,034 I (4) Through ASC Hugoton LLC

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Aircraft Services CORP
1700 PACIFIC AVENUE
SUITE 2900
DALLAS, TX 75201		     X   Owner of General Partner
EFS Regency GP Holdco II, LLC
120 LONG RIDGE ROAD
STAMFORD, CT 06927		     X    
Regency LP Acquirer, L.P.
120 LONG RIDGE ROAD
STAMFORD, CT 06927		     X    
ASC Hugoton LLC
120 LONG RIDGE ROAD
STAMFORD, CT 06927		     X    

Signatures

 /s/ Tyson Yates, Vice President   01/09/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Class E Units become convertible into common units on a one-for-one basis from and after February 15, 2008, upon satisfaction of the conditions for conversion set forth in the Issuer's Amended and Restated Agreement of Limited Partnership, as amended. The Class E Units have no expiration date.
(2) The number of Class E Common Units is subject to adjustment pursuant to the terms of the Contribution Agreement pursuant to which ASC Hugoton recieved the Class E Common Units.
(3) The Class E Common Units were acquired by ASC Hugoton LLC in exchange for limited liability company interests in FrontStreet Hugoton LLC with a value of approximately $128 million.
(4) The Class E Common Units reported hereby are owned by ASC Hugoton LLC. ASC Hugoton is wholly owned by Aircraft Services Corporation . The Joint Filers hereunder may be deemed to benefically own the Class E Common Units reported hereby by virtue of their membership in a group with the other Joint Filers. The Reporting Persons disclaim benefical ownership of the Class E Common Units except to the extent of their pecuniary interest therein and this report shall not be deemed an admission that the Reporting Persons are beneficial owners of the Reported Securities.

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