LIMITED POWER OF ATTORNEY
FOR SECTION 16 REPORTING
OBLIGATIONS


Know all by these presents, that the undersigned hereby
makes, constitutes and appoints David J. Hoyt and Paul N. Silverstein, as
the undersigned's true and lawful attorneys-in-fact with full power and
authority as hereinafter described to:

(1) prepare, execute and
acknowledge for and on behalf of the undersigned, in the undersigned's
capacity as an officer, director and/or a beneficial owner of more than 10
percent of common stock of Kitty Hawk, Inc. (the "Company"), Forms 3, 4,
and 5 (including any amendments thereto) in accordance with Section 16(a)
of the Securities Exchange Act of 1934 and the rules thereunder (the
"Exchange Act");

(2) do and perform any and all acts for and on behalf
of the undersigned which may be necessary or desirable to prepare, complete
and execute any such Form 3, 4, or 5, prepare, complete and execute any
amendment or amendments thereto, and timely deliver and file such form with
the United States Securities and Exchange Commission and any stock exchange
or similar authority;

(3) seek or obtain, as the undersigned's
representative and on the undersigned's behalf, information regarding
transactions in the Company's securities from any third party, including
brokers, employee benefit plan administrators and trustees, and the
undersigned hereby authorizes any such person to release any such
information to such attorney-in-fact and approves and ratifies any such
release of information; and

(4) take any other action of any type
whatsoever in connection with the foregoing which, in the opinion of such
attorneys-in-fact, may be of benefit to, in the best interest of, or
legally required by, the undersigned, it being understood that the
documents executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Limited Power of Attorney shall be in such form and shall
contain such terms and conditions as the attorneys-in-fact may approve in
the attorneys-in-fact's discretion.

The undersigned hereby grants to
the attorneys-in-fact full power and authority to do and perform any and
every act and thing whatsoever requisite, necessary, or proper to be done
in the exercise of any of the rights and powers herein granted, as fully to
all intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, hereby ratifying
and confirming all that the attorneys-in-fact, or the substitute or
substitutes of the attorneys-in-fact, shall lawfully do or cause to be done
by virtue of this power of attorney and the rights and powers herein
granted.  The undersigned acknowledges that:  (i) this power of attorney
authorizes the attorneys-in-fact to act in their discretion in preparing
Forms 3, 4 and 5 on information provided to the attorneys-in-fact without
independent verification of such information; (ii) the attorneys-in-fact,
in serving in such capacity at the request of the undersigned, is not
assuming nor relieving, nor is the Company assuming nor relieving, any of
the undersigned's responsibilities to comply with Section 16 of the
Exchange Act; (iii) neither the Company nor the foregoing attorneys-in-fact
assume any liability for the undersigned's responsibility to comply with
the requirement of the Exchange Act or any obligation or liability of the
undersigned for profit disgorgement under Section 16(b) of the Exchange
Act.

This Limited Power of Attorney shall remain in full force and
effect until revoked by the undersigned in a signed writing delivered to
the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned
has caused this Limited Power of Attorney to be executed as of this 28th
day of September, 2005.


/s/ Lloyd I. Miller, III
Signature


Lloyd I. Miller, III
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