Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N646ST.
| Tail Number / N-Number | N646ST |
| Manufacturer | ST CLAIR EDWAIN F |
| Model | EXEC 90 |
| Manufacturer's Serial Number | 6003 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not 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 |
| Type of Registrant | Individual |
| Owner Name | ST CLAIR EDWIN F |
| Street | PO BOX 5551 |
| City | EUGENE |
| State | OR |
| Zip Code | 97405-0551 |
| Country | US |
| Certificate Issue Date | 1996-05-31 |
| Last Action Date | 2002-05-14 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2004-02-19 |
| Mode S Code | 52076447 |
| Mode S Code Hex | A87D27 |