# N770SY: 1966 Entwicklungsgemeinschaft PHOEBUS B1, registration cancelled 2013-05-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 9, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Entwicklungsgemeinschaft PHOEBUS B1](https://openairdocs.org/model/entwicklungsgemeinschaft-phoebus-b1) (registry code 3321206)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G16EU](https://openairdocs.org/tcds/G16EU) (OpenAirDocs)
- Serial number: 748
- Year built: 1966
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: May 24, 1968
- Certificate issued: August 1, 1996
- Last registry action: July 15, 2008
- Mode S code: AA6AAE
- Owner when cancelled: [Davis Fredrick D](https://openairdocs.org/faa-owner/DAVIS%20FREDRICK%20D)
- Location: [Portage, MI](https://openairdocs.org/faa-place/MI/Portage)
- Owner type: Individual
- Owner's area on the map: 42.1972° N, 85.5555° W: Placed by OpenAirDocs at the center of ZIP code 49002, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N770SY
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=770SY
- Page: https://openairdocs.org/deregistered/N770SY-2013-05-09

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 Entwicklungsgemeinschaft PHOEBUS B1: https://openairdocs.org/model/entwicklungsgemeinschaft-phoebus-b1.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC76DFJ01](https://openairdocs.org/ntsb/NYC76DFJ01), Aug 2, 1975: Phoebus B1 (N770SY), Newark Valley, NY, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19750703019899A](https://openairdocs.org/incident/19750703019899A), Jul 3, 1975: Entwic PHOEBUSB1 (N770SY), Newark Valley, NY, Substantial damage. Enctrd svr up and down drafts on final.

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