<Page> Exhibit 4.1 NUMBER SHARES RA - --------------------- REPUBLIC AIRWAYS --------------------- HOLDINGS - --------------------- --------------------- REPUBLIC AIRWAYS HOLDING INC. INCORPORATED UNDER THE LAWS SEE REVERSE FOR OF THE STATE OF DELAWARE CERTAIN DEFINITIONS - -------------------------------------------------------------------------------- CUSIP 760276 10 5 THIS CERTIFIES that is the owner of - -------------------------------------------------------------------------------- FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, PAR VALUE $.001 PER SHARE, OF - ------------------------ REPUBLIC AIRWAYS HOLDINGS INC. ------------------------ transferable on the books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this certificate properly endorsed. This certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar. CERTIFICATE OF STOCK. WITNESS the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. Dated: /s/ Robert H. Cooper [CORPORATE SEAL OF /s/ Bryan K. Bedford REPUBLIC AIRWAYS HOLDING INC.] SECRETARY PRESIDENT COUNTERSIGNED AND REGISTERED: AMERICAN STOCK TRANSFER & TRUST COMPANY TRANSFER AGENT AND REGISTRAR BY AUHTORIZED SIGNATURE <Page> The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: <Table> TEN COM -- as tenants in common UNIF GIFT MIN ACT-- ______________ Custodian _____________ TEN ENT -- as tenants by the entireties (Cust) (Minor) JT TEN -- as joint tenants with right of under Uniform Gifts to Minors survivorship and not as tenants Act _______________ in common (State) Additional abbreviations may also be used though not in the above list. </Table> FOR VALUE RECEIVED, ______________________ HEREBY SELL, ASSIGN AND TRANSFER UNTO PLEASE INSERT SOCIAL SECURITY OR OTHER INDENTIFYING NUMBER OF ASSIGNEE - -------------------------------------- - -------------------------------------- ________________________________________________________________________________ (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE) ________________________________________________________________________________ ________________________________________________________________________________ _________________________________________________________________________ SHARES OF THE CAPITAL STOCK REPRESENTED BY THE WITHIN CERTIFICATE, AND DO HEREBY IRREVOCABLY CONSTITUTE AND APPOINT _______________________________________________________________________ ATTORNEY TO TRANSFER THE SAID STOCK ON THE BOOKS OF THE WITHIN NAMED CORPORATION WITH FULL POWER OF SUBSTITUTION IN THE PREMISES. DATED _____________________________ --------------------------------------- NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER. Signature(s) Guaranteed: - ----------------------------------------------------- THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.