EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement Nos. 33-4945, 33-62156, 333-8063, 333-19667, 333-26059 and 333-81789 of HEICO Corporation on Forms S-8 of our report dated December 21, 1999 appearing in this Annual Report on Form 10-K of HEICO Corporation for the year ended October 31, 1999. DELOITTE & TOUCHE LLP Certified Public Accountants Fort Lauderdale, Florida January 24, 2000