Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  MARTINEZ RANDY J
2. Date of Event Requiring Statement (Month/Day/Year)
07/13/2010
3. Issuer Name and Ticker or Trading Symbol
AAR CORP [AIR]
(Last)
(First)
(Middle)
1100 N. WOOD DALE ROAD
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Group Vice President
5. If Amendment, Date Original Filed(Month/Day/Year)
07/14/2010
(Street)

WOOD DALE, IL 60191
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock (1) 15,000
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (2) 07/13/2010(3) 07/12/2019 Common Stock 5,000 $ 15.1 D  
Stock Option (2) 07/12/2011(4) 07/11/2020 Common Stock 20,000 $ 17.27 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
MARTINEZ RANDY J
1100 N. WOOD DALE ROAD
WOOD DALE, IL 60191
      Group Vice President  

Signatures

/s/ Jo-Ellen Kiddie, Power of Attorney 07/21/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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 15,000 share initial balance consists of the following awards of stock pursuant to Restricted Stock Agreements in transactions exempt under Rule 16b-3: 3,300 shares granted 5/31/2009 6,700 shares granted 4/23/2010 It also includes an award of 5,000 shares on 7/12/10 pursuant to a Performance Restricted Stock Agreement in a transaction exempt under Rule 16b-3. The stock award is conditioned upon the Company meeting a cumulative net income performance goal target for the three-year performance period beginning June 1, 2010 and ending May 31, 2013, subject to earlier acceleration based on the performance of the Company's common stock.
(2) Grantee may elect to pay the exercise price of the option or any tax liability in connection therewith by directing the Company to withhold a portion of the shares otherwise distributable to the grantee upon exercise or by transferring to the Company previously acquired shares valued at their fair market value on such taxable date.
(3) The option vests in three equal installments beginning 7/13/10.
(4) The option vests in three equal installments beginning on 7/12/11.

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