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 * RC Aviation LLC   2. Issuer Name and Ticker or Trading Symbol HAWAIIAN HOLDINGS INC [HA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 12730 HIGH BLUFF DRIVE SUITE 180 3. Date of Earliest Transaction (Month/Day/Year) 04/21/2006 (Street) SAN DIEGO, CA 92130 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ 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 Common Stock 05/08/2006   J(1)   6,848,948 D $ 0 3,151,052 D

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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

Series A Convertible Note

$ 4.35

04/21/2006

J(2)

893,300 (3)

06/01/2006

06/01/2010

Common Stock

893,300 (3)

$ 3,885,855

0

D

Series B Convertible Note

$ 4.35

04/21/2006

J(2)

486,010 (3)

06/01/2006

06/01/2010

Common Stock

486,010 (3)

$ 2,114,144

0

D

Common Stock Warrant

$ 7.2

05/03/2006

J(4)

5,973,384 (5)

11/17/2005

06/01/2010

Common Stock

5,973,384 (5)

$ 43,008,365

0

D

Series A Convertible Note

$ 4.35

04/21/2006

J(2)

94,584 (3)

06/01/2006

06/01/2010

Common Stock

94,584 (3)

$ 411,443

0

I

See Footnote (6)

Series B Convertible Note

$ 4.35

04/21/2006

J(2)

51,460 (3)

06/01/2006

06/01/2010

Common Stock

51,460 (3)

$ 223,851

0

I

See Footnote (6)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
RC Aviation LLC 12730 HIGH BLUFF DRIVE SUITE 180 SAN DIEGO, CA 92130		X

Signatures

/s/ Lawrence S. Hershfield		05/09/2006
**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)	As required by that certain Second Amended and Restated Limited Liability Company Operating Agreement dated as of June 1, 2005 entered into between RC Aviation, LLC and its members, RC Aviation, LLC distributed these securities to its members per that Operating Agreement following the effectiveness of the Issuer's Registration Statement on Form S-3.
(2)	Acquired pursuant to that certain Note Purchase Agreement dated as of June 1, 2005 by and between RC Aviation, LLC and the Issuer
(3)	Based on an assumed conversion of the Note at $4.35 per share
(4)	Acquired pursuant to that certain Common Stock Warrant issued by the Issuer to RC Aviation, LLC on November 17, 2005
(5)	As required by that certain Second Amended and Restated Limited Liability Company Operating Agreement dated as of June 1, 2005 entered into between RC Aviation, LLC and its members, RC Aviation, LLC distributed this Warrant to its members per that Operating Agreement following the effectiveness of the Issuer's Registration Statement on Form S-3.
(6)	Owned indirectly through RC Aviation Management LLC, Member and Manager of RC Aviation, LLC.

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