# N5555A: 1957 Sikorsky S-51, registration cancelled 2012-08-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 23, 2012
- Status when cancelled: Revoked, canceled
- Airframe: [Sikorsky S-51](https://openairdocs.org/model/sikorsky-s-51) (registry code 8141102)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Data sheets: [TCDS H-2](https://openairdocs.org/tcds/H-2) (OpenAirDocs)
- Serial number: 122522
- Year built: 1957
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard
- Last registry action: January 14, 1977
- Mode S code: A71506
- Owner when cancelled: [Ming Ayer Inc](https://openairdocs.org/faa-owner/MING%20AYER%20INC)
- Location: [Linden, NJ](https://openairdocs.org/faa-place/NJ/Linden)
- Owner type: Corporation
- Owner's area on the map: 40.6247° N, 74.2394° W: Placed by OpenAirDocs at the center of ZIP code 07036, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N5555A
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5555A
- Page: https://openairdocs.org/deregistered/N5555A-2012-08-23

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Sikorsky S-51: https://openairdocs.org/model/sikorsky-s-51.md

## Other aircraft with N5555A

- [Registered now](https://openairdocs.org/aircraft/N5555A): Piper PA-28-180, S/N 28-860

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