# N8988: Keystone Helicopter S-76C, registration cancelled 2017-10-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 24, 2017
- Exported to: Canada
- Status when cancelled: First renewal notice
- Airframe: [Keystone Helicopter S-76C](https://openairdocs.org/model/keystone-helicopter-s-76c) (registry code 4900105)
- Engine: [Turbomeca ARRIEL-2S2](https://openairdocs.org/engine/turbomeca-arriel-2s2) (registry code 60036)
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE), [TCDS E00054EN](https://openairdocs.org/tcds/E00054EN) (OpenAirDocs)
- Serial number: 760757
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Experimental, market survey
- Airworthiness date: September 1, 2009
- Certificate issued: March 4, 2015
- Last registry action: March 4, 2015
- Mode S code: AC667C
- Owner when cancelled: [Altitude 51 Inc](https://openairdocs.org/faa-owner/ALTITUDE%2051%20INC)
- Location: [Greenwich, CT](https://openairdocs.org/faa-place/CT/Greenwich)
- Owner type: Corporation
- Owner's area on the map: 41.0376° N, 73.6243° W: Placed by OpenAirDocs at the center of ZIP code 06830, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N8988
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8988
- Page: https://openairdocs.org/deregistered/N8988-2017-10-24

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 Keystone Helicopter S-76C: https://openairdocs.org/model/keystone-helicopter-s-76c.md

## Other aircraft with N8988

- [Cancelled 2018-07-31](https://openairdocs.org/deregistered/N8988-2018-07-31): Bombardier BD-700-1A10, S/N 9195, built 2006. Exported to Canada. Owner: [Wells Fargo Trust Co Na Trustee](https://openairdocs.org/faa-owner/WELLS%20FARGO%20TRUST%20CO%20NA%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- [Cancelled 1974-09-20](https://openairdocs.org/deregistered/N8988-1974-09-20): Grumman HU-16B, S/N 51-7178. Exported to Indonesia. Owner: [Westernair Of Albuquerue Inc](https://openairdocs.org/faa-owner/WESTERNAIR%20OF%20ALBUQUERUE%20INC), [Albuquerue, NM](https://openairdocs.org/faa-place/NM/Albuquerue)

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