# N90CS: 1958 Schweizer SGS 1-26A

- Status: Valid registration
- Airframe: [Schweizer SGS 1-26A](https://openairdocs.org/model/schweizer-sgs-1-26a) (registry code 8050116, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS 1G10](https://openairdocs.org/tcds/1G10) (K & L Soaring LLC) (OpenAirDocs)
- Serial number: 85
- Year built: 1958
- Type: Glider
- Engine type: None
- Airworthiness: Standard
- Airworthiness date: August 22, 1958
- Certificate issued: January 24, 2013
- Expires: January 31, 2029
- Mode S code: AC6D16
- Registered owner: [Swanson Thomas G](https://openairdocs.org/faa-owner/SWANSON%20THOMAS%20G)
- Location: [Seaford, VA](https://openairdocs.org/faa-place/VA/Seaford)
- Owner type: Individual
- Owner's area on the map: 37.1877° N, 76.4137° W: Placed by OpenAirDocs at the center of ZIP code 23696, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90CS
- Page: https://openairdocs.org/aircraft/N90CS

From the FAA registry file of October 21, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 2 in force

### Matched by airframe (Schweizer SGS 1-26A)

- [AD 87-17-01](https://openairdocs.org/ad/87-17-01): Tow Release Installation · K & L Soaring SGS 1-23, SGS 1-23D, SGS 1-23F and 25 more. Effective Aug 19, 1988
- [AD 87-02-01](https://openairdocs.org/ad/87-02-01): Tow-Release Installation Inspection · K & L Soaring SGM 2-37, SGS 1-23, SGS 1-23D and 32 more. Effective Jan 21, 1987

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N90CS.

## FAA accident and incident reports

None matched to N90CS.

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Schweizer SGS 1-26A aircraft: https://openairdocs.org/model/schweizer-sgs-1-26a/aircraft.md
- STCs for the Schweizer SGS 1-26A: https://openairdocs.org/model/schweizer-sgs-1-26a/stcs.md
- The NONE engine: https://openairdocs.org/engine/none.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
