CERNER CORPORATION AIRCRAFT TIME SHARING AGREEMENT

Exhibit 10.3

CERNER CORPORATION

AIRCRAFT TIME SHARING AGREEMENT

     This Time Sharing Agreement (the Agreement), is made and entered into this 7 ^th day of February, 2007, by and between Cerner Corporation, with a principal address of 2800 Rockcreek Parkway, North Kansas City, Missouri 64117 (Operator), and Clifford W. Illig (User).

     WITNESSETH, that

     WHEREAS, Operator operates that certain Hawker aircraft, manufacturer’s serial number 258653 bearing the United States Registration Number N203TM (the Aircraft);

     WHEREAS, Operator employs a fully qualified flight crew to operate the Aircraft; and

     WHEREAS, Operator desires to lease said Aircraft with flight crew to User and User desires to lease said Aircraft and flight crew from Operator on a time sharing basis pursuant to Section 91.501(c)(1) of the Federal Aviation Regulations (“FARs”).

     NOW THEREFORE, Operator and User declaring their intention to enter into and be bound by this Agreement, and for the good and valuable consideration set forth below, hereby covenant and agree as follows:

     1. Operator agrees to lease the Aircraft to User pursuant to the provisions of FAR 91.501(c)(1) and to provide a fully qualified flight crew for all operations on a non-continuous basis commencing on the first date set forth hereinabove and continuing unless and until terminated. Either party may terminate this Agreement by giving thirty (30) days written notice to the other party. Operator shall have the right to add or substitute aircraft of similar type, quality and equipment, and to remove aircraft from the fleet, from time to time during the term of this Agreement.

     2. User shall pay Operator for each flight conducted under this Agreement the actual expenses of each specific flight as described in FAR 91.501(d)(a)-(i), including the actual expense items of any “deadhead” flights made for User, as authorized by FAR Part 91.501(d). The expenses authorized by FAR Part 91.501(d)(a)-(i) include:

     3. Operator will pay all expenses related to the operation of the Aircraft when incurred, and will provide an invoice and bill User for the expenses enumerated in paragraph 2 above on the last day of the month in which any flight or flights for the account of User occur. User shall pay Operator for said expenses within fifteen (15) days of receipt of the invoice and bill therefore.

     User shall include with each payment any federal transportation excise tax due with respect to such payment, and Operator shall be responsible for collecting, reporting and remitting such tax to the U.S. Internal Revenue Service.

     4. User will provide Operator with requests for flight time and proposed flight schedules as far in advance of any given flight as possible. Requests for flight time and proposed flight schedules shall be made in compliance with Operator’s scheduling procedures and aircraft use policies. In addition to proposed schedules and flight times, User shall provide at least the following information for each proposed flight at some time prior to scheduled departure as required by the Operator or Operator’s flight crew.

     5. Operator shall pay all expenses related to the ownership and operation of the Aircraft and shall employ, pay for and provide to User a qualified flight crew for each flight undertaken under this Agreement.

     6. Operator shall be solely responsible for securing maintenance, preventive maintenance and required or otherwise necessary inspections on the Aircraft, and shall take such requirements into account in scheduling the Aircraft. No period of maintenance, preventive maintenance or inspection shall be delayed or postponed for the purpose of scheduling the Aircraft, unless said maintenance or inspection can be safely conducted at a later time in compliance with all applicable laws and regulations, and within the sound discretion of the pilo