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Aircraft N-Numbers: Registered, Deregistered, Reserved

Explore all aircraft, drone, UAV and UAS N-Numbers, also known as tail numbers, on record with the FAA. This table includes details on registration status, associated aircraft, and engine information. Last update: September 14, 2026.

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1 - 25 of 286 records displayed
Aircraft Make: SIKORSKY ×
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N-Number Registrant Aircraft Make/Model Engine Make/Model Status
N4001S SIKORSKY AIRCRAFT DIVISION SIKORSKY/S-65C3 Deregistered
N4002S SIKORSKY AIRCRAFT SIKORSKY/S-61N Deregistered
N4003S SIKORSKY AIRCRAFT DIVISION UNITED TECHNOLOGY CORP SIKORSKY/S-65C Deregistered
N4004S SIKORSKY AIRCRAFT DIVISION OF UNITED AIRCRAFT CORP SIKORSKY/S-65C Deregistered
N4006S SIKORSKY AIRCRAFT DIVISION OF UNITED AIRCRAFT CORP SIKORSKY/S-65C Deregistered
N4007S UNITED AIRCRAFT CORPORATION SIKORSKY AIRCRAFT DIV SIKORSKY/S-65C3 Deregistered
N4008S UNITED AIRCRAFT CORPORATION SIKORSKY AIRCRAFT DIV SIKORSKY/S-65C3 Deregistered
N4009S UNITED AIRCRAFT CORP SIKORSKY AIRCRAFT DIV SIKORSKY/S-65C Deregistered
N400MB SIKORSKY AIRCRAFT SIKORSKY/S-76 Deregistered
N4010S UNITED AIRCRAFT CORP SIKORSKY AIRCRAFT DIVISION SIKORSKY/S-65C3 Deregistered
N4011S UNITED AIRCRAFT CORP SIKORSKY AIRCRAFT DIVISION SIKORSKY/S-65C3 Deregistered
N4012S UNITED AIRCRAFT CORP SIKORSKY AIRCRAFT DIVISION SIKORSKY/S-65C3 Deregistered
N4013S SIKORSKY AIRCRAFT DIVISION UNITED AIRCRAFT CORP SIKORSKY/S-65C Deregistered
N4014S SIKORSKY AIRCRAFT DIVISON UNITED AIRCRAFT CORP SIKORSKY/S-61A Deregistered
N4015S SIKORSKY AIRCRAFT DIVISION UNITED AIRCRAFT CORP SIKORSKY/S-61A Deregistered
N4016S SIKORSKY AIRCRAFT DIV SIKORSKY/S-61A Deregistered
N4017S SIKORSKY AIRCRAFT DIVISION UNITED AIRCRAFT CORP SIKORSKY/S-61A Deregistered
N4019S SIKORSKY AIRCRAFT DIVISION OF UNITED AIRCRAFT CORP SIKORSKY/S-61 Deregistered
N4020S SIKORSKY AIRCRAFT DIVISION OF UNITED AIRCRAFT CORP SIKORSKY/S-61A Deregistered
N4021S SIKORSKY AIRCRAFT DIVISION UNITED AIRCRAFT CORP SIKORSKY/S-61D Deregistered
N4022S SIKORSKY AIRCRAFT DIV SIKORSKY/S-61D Deregistered
N4023K SIKORSKY/S-76A Deregistered
N4024S UNITED AIRCRAFT CORP SIKORSKY/S-65C3 Deregistered
N4025S UNITED AIRCRAFT CORP SIKORSKY/S-65C3 Deregistered
N4026S UNITED AIRCRAFT CORP SIKORSKY/S-65C3 Deregistered
Data presented on this website is sourced directly from official Federal Aviation Administration (FAA) records. To ensure accuracy, we try not to correct issues such as improper punctuation, spelling errors, empty fields, or unusual labels like "SALE REPORTED" for a registrant. We make every effort to present information as it appears in the FAA database. This website is not affiliated with any government agency.