| Tail Number / N-Number | N623M |
| Manufacturer | ROLLADEN-SCHNEIDER |
| Model | LS8-18 |
| Manufacturer's Serial Number | 8371 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | MCCLELLAN WILLIAM W |
| Street | 1805 N CARSON ST # 470 |
| City | CARSON CITY |
| State | NV |
| Zip Code | 89701-1216 |
| Region | Western-Pacific |
| County | Carson City |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2003-07-10 |
| Last Action Date | 2021-03-10 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 52021165 |
| Mode S Code Hex | A82275 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N623M.
| Tail Number / N-Number | N623M |
| Manufacturer | FLEET |
| Model | 2 |
| Manufacturer's Serial Number | 199 |
| 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 | Carson City |
| Last Status | Valid Registration |
| Cancellation Date | 1933-02-20 |
| Exported To | ARGENTINA |