| Tail Number / N-Number | N646M |
| Manufacturer | ROLLADEN-SCHNEIDER |
| Model | LS-6 |
| Year Built | 1985 |
| Manufacturer's Serial Number | 6046 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | TIELKING RANDALL L |
| Street | 12394 MULBERRY TREE CT |
| City | CREVE COEUR |
| State | MO |
| Zip Code | 63141-5470 |
| Region | Central |
| County | St. Louis city |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-11-01 |
| Certificate Issue Date | 2017-12-12 |
| Last Action Date | 2020-07-19 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 52076230 |
| Mode S Code Hex | A87C98 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N646M.
| Tail Number / N-Number | N646M |
| Manufacturer | FLEET |
| Model | 2 |
| Manufacturer's Serial Number | 221 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ASSOCIATED AIR SERVICES LTD INC |
| Street | POST OFFICE BOX 3023 |
| City | STANFORD |
| State | CA |
| Zip Code | 90001 |
| Region | Western-Pacific |
| County | St. Louis city |
| Last Status | Valid Registration |
| Cancellation Date | 1933-02-08 |
| Exported To | ARGENTINA |