Exhibit 24.1

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned, being a director or officer, or both, of AAR CORP., a Delaware corporation, hereby constitutes and appoints John M. Holmes, Dylan Wolin and Jessica A. Garascia, and each of them his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him or her and his or her name, place and stead, in any and all capacities, to sign a registration statement on Form S-8 relating to the registration of securities under the Securities Act of 1933, as amended, of common stock, $1.00 par value per share, of the Registrant deliverable in connection with the AAR CORP. 2026 Stock Plan, and any and all amendments thereto (including post-effective amendments), and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite, necessary or advisable to be done, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, this power of attorney has been signed on October 1, 2026 by the following persons in the capacities indicated.