# N109DA: Sikorsky S-55, registration cancelled 1971-10-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 7, 1971
- Status when cancelled: Valid registration
- Airframe: [Sikorsky S-55](https://openairdocs.org/model/sikorsky-s-55) (registry code 8141602)
- Data sheets: [TCDS 1H4](https://openairdocs.org/tcds/1H4) (OpenAirDocs)
- Serial number: 55169
- Type of aircraft: Rotorcraft
- Certificate issued: January 15, 1963
- Mode S code: A0266F
- Owner when cancelled: [State Of Nebraska](https://openairdocs.org/faa-owner/STATE%20OF%20NEBRASKA)
- Location: [Lincoln, NE](https://openairdocs.org/faa-place/NE/Lincoln)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N109DA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=109DA
- Page: https://openairdocs.org/deregistered/N109DA-1971-10-07

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-55: https://openairdocs.org/model/sikorsky-s-55.md

## Other aircraft with N109DA

- [Registered now](https://openairdocs.org/aircraft/N109DA): Amsler David C SONEX, S/N 1327, built 2012
- [Cancelled 1995-02-27](https://openairdocs.org/deregistered/N109DA-1995-02-27): Bell-Agri Helicopter OH-13H, S/N 2308. Triennial form not returned. Owner: [St Charles Co Dis Preparedness Offic](https://openairdocs.org/faa-owner/ST%20CHARLES%20CO%20DIS%20PREPAREDNESS%20OFFIC), [St Charles, MO](https://openairdocs.org/faa-place/MO/St%20Charles)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
