# N646M: 1985 Rolladen-Schneider LS-6

- Status: Valid registration
- Airframe: [Rolladen-Schneider LS-6](https://openairdocs.org/model/rolladen-schneider-ls-6) (registry code 3801260, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 6046
- Year built: 1985
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, racing, exhibition
- Airworthiness date: November 1, 1985
- Certificate issued: December 12, 2017
- Expires: December 31, 2027
- Mode S code: A87C98
- Registered owner: [Tielking Randall L](https://openairdocs.org/faa-owner/TIELKING%20RANDALL%20L)
- Location: [Creve Coeur, MO](https://openairdocs.org/faa-place/MO/Creve%20Coeur)
- Owner type: Individual
- Owner's area on the map: 38.6580° N, 90.4553° W: Placed by OpenAirDocs at the center of ZIP code 63141, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=646M
- Page: https://openairdocs.org/aircraft/N646M

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): 0 in force

### Matched by airframe (Rolladen-Schneider LS-6)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory) (2 in force)

- [SAIB CE-01-24](https://openairdocs.org/saib/CE-01-24): . Issued May 30, 2001
- [SAIB CE-00-01](https://openairdocs.org/saib/CE-00-01): . Issued Oct 7, 1999

## NTSB investigations

None matched to N646M.

## FAA accident and incident reports

None matched to N646M.

## 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)

None matched to this aircraft's models.

## Earlier aircraft with N646M

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N646M before.

- [Cancelled 1933-02-08](https://openairdocs.org/deregistered/N646M-1933-02-08): Fleet 2, S/N 221. Exported to Argentina. Owner: [Associated Air Services Ltd Inc](https://openairdocs.org/faa-owner/ASSOCIATED%20AIR%20SERVICES%20LTD%20INC), [Stanford, CA](https://openairdocs.org/faa-place/CA/Stanford)

## Related

- Other Rolladen-Schneider LS-6 aircraft: https://openairdocs.org/model/rolladen-schneider-ls-6/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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