# N2156S: 1998 Boeing CH 47SD, registration cancelled 2002-02-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 11, 2002
- Exported to: Singapore
- Status when cancelled: Valid registration
- Airframe: [Boeing CH 47SD](https://openairdocs.org/model/boeing-ch-47sd) (registry code 1381614)
- Engine: [Lycoming T-55 SER TS](https://openairdocs.org/engine/lycoming-t-55-ser-ts) (registry code 41555)
- Serial number: M4137
- Year built: 1998
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Experimental, research and development
- Airworthiness date: July 13, 2001
- Certificate issued: September 9, 1999
- Last registry action: February 23, 2001
- Mode S code: A1CF50
- Owners when cancelled: [Boeing Co](https://openairdocs.org/faa-owner/BOEING%20CO), [Helicopter Division](https://openairdocs.org/faa-owner/HELICOPTER%20DIVISION)
- Location: [Philadelphia, PA](https://openairdocs.org/faa-place/PA/Philadelphia)
- Physical address: [Ridley, PA](https://openairdocs.org/faa-place/PA/Ridley)
- Owner type: Corporation
- Owner's area on the map: 39.9218° N, 75.2333° W: Placed by OpenAirDocs at the center of ZIP code 19142, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N2156S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2156S
- Page: https://openairdocs.org/deregistered/N2156S-2002-02-11

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 Boeing CH 47SD: https://openairdocs.org/model/boeing-ch-47sd.md

## Other aircraft with N2156S

- [Registered now](https://openairdocs.org/aircraft/N2156S): Firefly Balloons FIREFLY 7B-15, S/N F7B-2014, built 2006
- [Cancelled 1994-03-23](https://openairdocs.org/deregistered/N2156S-1994-03-23): Bell 412, S/N 36081. Exported to Egypt. Owner: [Bell Helicopter Textron Inc](https://openairdocs.org/faa-owner/BELL%20HELICOPTER%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)
- [Cancelled 1990-04-03](https://openairdocs.org/deregistered/N2156S-1990-04-03): Cessna T210L, S/N 21061117. N-number assigned, not yet registered

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