# N21TH: 2001 Schempp-Hirth DISCUS-2B, registration cancelled 2020-09-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 4, 2020
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Schempp-Hirth DISCUS-2B](https://openairdocs.org/model/schempp-hirth-discus-2b) (registry code 3801904)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G17CE](https://openairdocs.org/tcds/G17CE) (OpenAirDocs)
- Serial number: 91
- Year built: 2001
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Experimental, exhibition, racing
- Airworthiness date: May 24, 2001
- Certificate issued: May 22, 2017
- Last registry action: May 22, 2017
- Mode S code: A1B8DA
- Owner when cancelled: [Bay Area Soaring Associates Inc](https://openairdocs.org/faa-owner/BAY%20AREA%20SOARING%20ASSOCIATES%20INC)
- Location: [San Jose, CA](https://openairdocs.org/faa-place/CA/San%20Jose)
- Physical address: [Santa Cruz, CA](https://openairdocs.org/faa-place/CA/Santa%20Cruz)
- Owner type: Corporation
- Owner's area on the map: 37.3394° N, 121.8950° W: Placed by OpenAirDocs: center of San Jose, CA, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N21TH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21TH
- Page: https://openairdocs.org/deregistered/N21TH-2020-09-04

From the FAA registry file of November 4, 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 DISCUS-2B: https://openairdocs.org/model/schempp-hirth-discus-2b.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 GAA17CA368](https://openairdocs.org/ntsb/GAA17CA368), Jun 22, 2017: Schempp-Hirth Discus 2B (N21TH), Bishop, CA, substantial damage. Probable cause: The pilot’s exceedance of the glider’s critical angle of attack while maneuvering over rising mountainous terrain, which resulted in an aerodynamic stall.

## 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 20170622010859A](https://openairdocs.org/incident/20170622010859A), Jun 22, 2017: Schempp-Hirth DISCUS-2B (N21TH), Bishop, CA, Substantial damage. Pilot inexperience with this glider and misjudgement of available thermal or ridge lift available resulting in contact with trees and then terrain. This…

## Other aircraft with N21TH

- [Cancelled 2026-09-24](https://openairdocs.org/deregistered/N21TH-2026-09-24): Eurocopter EC 130 B4, S/N 4165. Exported to Canada. Owner: [Harding Tim](https://openairdocs.org/faa-owner/HARDING%20TIM), [Bryan, TX](https://openairdocs.org/faa-place/TX/Bryan)
- [Cancelled 1977-03-17](https://openairdocs.org/deregistered/N21TH-1977-03-17): Beech 35-C33, S/N CD-1013, built 1966. Owner: [Fendrik Steven I](https://openairdocs.org/faa-owner/FENDRIK%20STEVEN%20I), [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles)

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