# N99DX: 2002 Schempp-Hirth Flugzeugbau DUO DISCUS, registration cancelled 2005-09-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 30, 2005
- Exported to: New Zealand
- Status when cancelled: Valid registration
- Airframe: [Schempp-Hirth Flugzeugbau DUO DISCUS](https://openairdocs.org/model/schempp-hirth-flugzeugbau-duo-discus) (registry code 3801901)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G85EU](https://openairdocs.org/tcds/G85EU) (OpenAirDocs)
- Serial number: 41
- Year built: 2002
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Experimental, exhibition
- Airworthiness date: April 20, 2002
- Certificate issued: July 11, 2002
- Last registry action: April 1, 2005
- Mode S code: ADD0AB
- Owners when cancelled: [Chapman Gregory S](https://openairdocs.org/faa-owner/CHAPMAN%20GREGORY%20S), [Zivley Mark](https://openairdocs.org/faa-owner/ZIVLEY%20MARK)
- Location: [Houston, TX](https://openairdocs.org/faa-place/TX/Houston)
- Owner type: Co-owned
- Owner's area on the map: 29.7409° N, 95.3913° W: Placed by OpenAirDocs at the center of ZIP code 77006, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N99DX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=99DX
- Page: https://openairdocs.org/deregistered/N99DX-2005-09-30

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 Schempp-Hirth Flugzeugbau DUO DISCUS: https://openairdocs.org/model/schempp-hirth-flugzeugbau-duo-discus.md

## Other aircraft with N99DX

- [Registered now](https://openairdocs.org/aircraft/N99DX): Reach LANCAIR PROP JET, S/N LIV-557

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