# N658KA: Schleicher K 8 B

- Status: Valid registration
- Airframe: [Schleicher K 8 B](https://openairdocs.org/model/schleicher-k-8-b) (registry code 3801563, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS 7G4](https://openairdocs.org/tcds/7G4) (Alexander Schleicher GmbH & Co. Segelflugzeugbau) (OpenAirDocs)
- Serial number: 8497
- Type: Glider
- Engine type: None
- Airworthiness: Standard, utility, acrobatic
- Airworthiness date: May 15, 2003
- Certificate issued: March 16, 2020
- Expires: March 31, 2030
- Mode S code: A8AB54
- Registered owner: [Knerr Joshua D](https://openairdocs.org/faa-owner/KNERR%20JOSHUA%20D)
- Location: [Tehachapi, CA](https://openairdocs.org/faa-place/CA/Tehachapi)
- Owner type: Individual
- Owner's area on the map: 35.0995° N, 118.5182° W: Placed by OpenAirDocs at the center of ZIP code 93561, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=658KA
- Page: https://openairdocs.org/aircraft/N658KA

From the FAA registry file of October 24, 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): 5 in force

### Matched by airframe (Schleicher K 8 B)

- [AD 2022-12-07](https://openairdocs.org/ad/2022-12-07): Elevator, Spar/Rib Structure · Alexander Schleicher GmbH & Co. Segelflugzeugbau Ka2B, Ka 6, Ka 6 B and 7 more. Effective Jul 21, 2022
- [AD 2013-16-05](https://openairdocs.org/ad/2013-16-05): Flight Controls · Alexander Schleicher AS-K 13, K 8, K 8 B and 7 more. Effective Oct 4, 2013
- [AD 98-18-05](https://openairdocs.org/ad/98-18-05): Canopy Hood Lock Assembly · Alexander Schleicher K 8 and K 8 B. Effective Oct 12, 1998
- [AD 71-19-01](https://openairdocs.org/ad/71-19-01): Airbrake Bearing Bracket Failure · Alexander Schleicher K 8 and K 8 B. Effective Sep 7, 1971
- [AD 64-09-06](https://openairdocs.org/ad/64-09-06): Airbrake Push Pull Rod · Alexander Schleicher K 8, K 8 B, Ka 6 and 15 more. Effective Sep 7, 1971

### Matched by engine (NONE)

None in force.

### Historical (superseded or no longer in force)

- [AD 64-07-05](https://openairdocs.org/ad/64-07-05) (historical): Elevator Control Push Rods · Alexander Schleicher K 8, K 8 B, K7 and 8 more. Effective Apr 13, 1964

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N658KA.

## FAA accident and incident reports

None matched to N658KA.

## 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.

## STCs that may be installed (OpenAirDocs) (6)

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 (Schleicher K 8 B)

- [STC SG03893NY](https://openairdocs.org/stc/SG03893NY): Installation and maintenance of ORATEX covering and coating material. Aircraft Design & Certification GmbH
- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc
- [STC SG03715NY](https://openairdocs.org/stc/SG03715NY): Iunstallation and maintenance of Oratex 6000 Covering and Coating System. Lanitz-Prena Folien Factory GmbH
- [STC SG04702NY](https://openairdocs.org/stc/SG04702NY): Installation and maintenance of Oratex UL600 Covering and Coating System. Lanitz-Prena Folien Factory GmbH
- [STC SA1008WE](https://openairdocs.org/stc/SA1008WE): Installation of Poly-Fiber covering material. Poly-Fiber Inc
- [STC SA1351WE](https://openairdocs.org/stc/SA1351WE): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12). Ceconite Inc

## Related

- Other Schleicher K 8 B aircraft: https://openairdocs.org/model/schleicher-k-8-b/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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