# N21TH: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 3
- Last cancelled: September 24, 2026
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21TH
- Page: https://openairdocs.org/aircraft/N21TH

## Aircraft that carried 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 2020-09-04](https://openairdocs.org/deregistered/N21TH-2020-09-04): Schempp-Hirth DISCUS-2B, S/N 91, built 2001. Registration expired, pending cancellation. Owner: [Bay Area Soaring Associates Inc](https://openairdocs.org/faa-owner/BAY%20AREA%20SOARING%20ASSOCIATES%20INC), [San Jose, CA](https://openairdocs.org/faa-place/CA/San%20Jose)
- [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)

## NTSB investigations on N21TH (2)

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.
- [NTSB LAX77FA004](https://openairdocs.org/ntsb/LAX77FA004), Oct 21, 1976: Beech 35-C33 (N21TH), Los Angeles, CA, destroyed, 2 fatal

## FAA accident and incident reports on N21TH (2)

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…
- [Accident 19761021041561A](https://openairdocs.org/incident/19761021041561A), Oct 21, 1976: Beech 35C33 (N21TH), Los Angeles, CA, Destroyed. Descent from VFR corridor floor altitude. Ground damage to bldgs,fences.

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