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                                                                   Exhibit 10.10

                               US HELICOPTER, INC.

      The undersigned hereby agrees that for a period commencing on the date
hereof and expiring on the termination of the Agreement dated August 4, 2004
between US Helicopter, Inc. (the "Company") and Cornell Capital Partners, LP
(the "Investor") (the "Lock-up Period"), he, she or it will not, directly or
indirectly, without the prior written consent of the Investor, issue, offer,
agree or offer to sell, sell, grant an option for the purchase or sale of,
transfer, pledge, assign, hypothecate, distribute or otherwise encumber or
dispose of except pursuant to Rule 144 of the General Rules and Regulations
under the Securities Act of 1933, any securities of the Company, including
common stock or options, rights, warrants or other securities underlying,
convertible into, exchangeable or exercisable for or evidencing any right to
purchase or subscribe for any common stock (whether or not beneficially owned by
the undersigned), or any beneficial interest therein (collectively, the
"Securities").

      In order to enable the aforesaid covenants to be enforced, the undersigned
hereby consents to the placing of legends and/or stop-transfer orders with the
transfer agent of the Company's securities with respect to any of the Securities
registered in the name of the undersigned or beneficially owned by the
undersigned, and the undersigned hereby confirms the undersigned's investment in
the Company.

Dated: August 4, 2004

                                           Signature

                                                 /s/ John G. Murphy
                                           -------------------------------------
                                           John G. Murphy
                                           35 Earle Avenue
                                           Rockville Centre, NY  11570

                                           Redacted
                                           -------------------------------------
                                           Print Social Security Number
                                           or Taxpayer I.D. Number<PAGE>

                                                                   Exhibit 10.11

                               US HELICOPTER, INC.

      The undersigned hereby agrees that for a period commencing on the date
hereof and expiring on the termination of the Agreement dated August 4, 2004
between US Helicopter, Inc. (the "Company") and Cornell Capital Partners, LP
(the "Investor") (the "Lock-up Period"), he, she or it will not, directly or
indirectly, without the prior written consent of the Investor, issue, offer,
agree or offer to sell, sell, grant an option for the purchase or sale of,
transfer, pledge, assign, hypothecate, distribute or otherwise encumber or
dispose of except pursuant to Rule 144 of the General Rules and Regulations
under the Securities Act of 1933, any securities of the Company, including
common stock or options, rights, warrants or other securities underlying,
convertible into, exchangeable or exercisable for or evidencing any right to
purchase or subscribe for any common stock (whether or not beneficially owned by
the undersigned), or any beneficial interest therein (collectively, the
"Securities").

      In order to enable the aforesaid covenants to be enforced, the undersigned
hereby consents to the placing of legends and/or stop-transfer orders with the
transfer agent of the Company's securities with respect to any of the Securities
registered in the name of the undersigned or beneficially owned by the
undersigned, and the undersigned hereby confirms the undersigned's investment in
the Company.

Dated: August 4, 2004

                                           Signature

                                                 /s/ Gabriel S. Roberts
                                           -------------------------------------
                                           Gabriel S. Roberts
                                           16 Buttonwood Circle
                                           Wallingford, CT 06492

                                           Redacted
                                           -------------------------------------
                                           Print Social Security Number
                                           or Taxpayer I.D. Number<PAGE>

                                                                   Exhibit 10.12

                               US HELICOPTER, INC.

      The undersigned hereby agrees that for a period commencing on the date
hereof and expiring on the termination of the Agreement dated August 4, 2004
between US Helicopter, Inc. (the "Company") and Cornell Capital Partners, LP
(the "Investor") (the "Lock-up Period"), he, she or it will not, directly or
indirectly, without the prior written consent of the Investor, issue, offer,
agree or offer to sell, sell, grant an option for the purchase or sale of,
transfer, pledge, assign, hypothecate, distribute or otherwise encumber or
dispose of except pursuant to Rule 144 of the General Rules and Regulations
under the Securities Act of 1933, any securities of the Company, including
common stock or options, rights, warrants or other securities underlying,
convertible into, exchangeable or exercisable for or evidencing any right to
purchase or subscribe for any common stock (whether or not beneficially owned by
the undersigned), or any beneficial interest therein (collectively, the
"Securities").

      In order to enable the aforesaid covenants to be enforced, the undersigned
hereby consents to the placing of legends and/or stop-transfer orders with the
transfer agent of the Company's securities with respect to any of the Securities
registered in the name of the undersigned or beneficially owned by the
undersigned, and the undersigned hereby confirms the undersigned's investment in
the Company.

Dated: July 23, 2004

                                           Signature

                                                 /s/ Rue Reynolds
                                           -------------------------------------
                                           Rue Reynolds
                                           8813 Buena Place #8306
                                           Windermere, FL 34786

                                           Redacted
                                           -------------------------------------
                                           Print Social Security Number
                                           or Taxpayer I.D. Number<PAGE>

                                                                   Exhibit 10.13

                           U.S. HELICOPTER CORPORATION

      The undersigned hereby agrees that for a period commencing on the date
hereof and expiring on the termination of the Agreement dated August 4, 2004
between U.S. Helicopter Corporation (the "Company") and Cornell Capital
Partners, LP (the "Investor") (the "Lock-up Period"), he, she or it will not,
directly or indirectly, without the prior written consent of the Investor,
issue, offer, agree or offer to sell, sell, grant an option for the purchase or
sale of, transfer, pledge, assign, hypothecate, distribute or otherwise encumber
or dispose of except pursuant to Rule 144 of the General Rules and Regulations
under the Securities Act of 1933, any securities of the Company, including
common stock or options, rights, warrants or other securities underlying,
convertible into, exchangeable or exercisable for or evidencing any right to
purchase or subscribe for any common stock (whether or not beneficially owned by
the undersigned), or any beneficial interest therein (collectively, the
"Securities").

      In order to enable the aforesaid covenants to be enforced, the undersigned
hereby consents to the placing of legends and/or stop-transfer orders with the
transfer agent of the Company's securities with respect to any of the Securities
registered in the name of the undersigned or beneficially owned by the
undersigned, and the undersigned hereby confirms the undersigned's investment in
the Company.

Dated: August 4, 2004

                                           Signature

                                                 /s/ Col. Clinton Pagano
                                           -------------------------------------
                                           Col. Clinton Pagano
                                           109 Church Road
                                           Milford, NJ 08848

                                           Redacted
                                           -------------------------------------
                                           Print Social Security Number
                                           or Taxpayer I.D. Number<PAGE>

                                                                   Exhibit 10.14

                               US HELICOPTER, INC.

      The undersigned hereby agrees that for a period commencing on the date
hereof and expiring on the termination of the Agreement dated August 4, 2004
between US Helicopter, Inc. (the "Company") and Cornell Capital Partners, LP
(the "Investor") (the "Lock-up Period"), he, she or it will not, directly or
indirectly, without the prior written consent of the Investor, issue, offer,
agree or offer to sell, sell, grant an option for the purchase or sale of,
transfer, pledge, assign, hypothecate, distribute or otherwise encumber or
dispose of except pursuant to Rule 144 of the General Rules and Regulations
under the Securities Act of 1933, any securities of the Company, including
common stock or options, rights, warrants or other securities underlying,
convertible into, exchangeable or exercisable for or evidencing any right to
purchase or subscribe for any common stock (whether or not beneficially owned by
the undersigned), or any beneficial interest therein (collectively, the
"Securities").

      In order to enable the aforesaid covenants to be enforced, the undersigned
hereby consents to the placing of legends and/or stop-transfer orders with the
transfer agent of the Company's securities with respect to any of the Securities
registered in the name of the undersigned or beneficially owned by the
undersigned, and the undersigned hereby confirms the undersigned's investment in
the Company.

Dated: July 23, 2004

                                           Signature

                                           /s/ George Mehm
                                           -------------------------------------
                                           George Mehm
                                           92 Greenbrook Place
                                           Park Ridge, NJ 07656

                                           Redacted
                                           -------------------------------------
                                           Print Social Security Number
                                           or Taxpayer I.D. Number

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