# N135CS: Schweizer SGS 1-35C

- Status: Valid registration
- Airframe: [Schweizer SGS 1-35C](https://openairdocs.org/model/schweizer-sgs-1-35c) (registry code 8050151, 1 seats)
- Data sheets: [TCDS G4EA](https://openairdocs.org/tcds/G4EA) (K & L Soaring LLC) (OpenAirDocs)
- Serial number: 98
- Type: Glider
- Engine type: None
- Certificate issued: June 4, 2021
- Expires: June 30, 2028
- Mode S code: A08E07
- Registered owner: [Nick Kevin E](https://openairdocs.org/faa-owner/NICK%20KEVIN%20E)
- Location: [Loma Linda, CA](https://openairdocs.org/faa-place/CA/Loma%20Linda)
- Owner type: Individual
- Owner's area on the map: 34.0508° N, 117.2502° W: Placed by OpenAirDocs at the center of ZIP code 92354, 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=135CS
- Page: https://openairdocs.org/aircraft/N135CS

From the FAA registry file of October 22, 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 1-35C)

- [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

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N135CS.

## FAA accident and incident reports

None matched to N135CS.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## Service difficulty reports on N135CS not matched to an aircraft (1)

They name N135CS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR Z5F2004F00004](https://openairdocs.org/sdr/Z5F2004F00004), Sep 11, 2004: ACTUATOR. FROZEN. WHILE IN CRUISE AT FL370, CREW DISCOVERED THAT THE ELEVATOR TRIM, BOTH ELECTRIC AND MANUAL WAS FROZEN. AUTOPILOT DISCONNECTED AND AVIONICS CAUTION ILLUMINATED. 

## STCs that may be installed (OpenAirDocs) (1)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Schweizer SGS 1-35C)

- [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts. Andrew D. Humphrey

## Related

- Other Schweizer SGS 1-35C aircraft: https://openairdocs.org/model/schweizer-sgs-1-35c/aircraft.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.