| Tail Number / N-Number | N765DS |
| Manufacturer | NOORDYN |
| Model | HARVARD MARK II |
| Manufacturer's Serial Number | 07-65 |
| Aircraft Type | Fixed wing single engine |
| 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 | LLC |
| Owner Name | SYF LLC |
| Street | PO BOX 1336 |
| City | OKMULGEE |
| State | OK |
| Zip Code | 74447-1336 |
| Region | Southwestern |
| County | Okmulgee County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2016-07-18 |
| Last Action Date | 2022-02-16 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52452167 |
| Mode S Code Hex | AA5477 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N765DS.
| Tail Number / N-Number | N765DS |
| Manufacturer | CESSNA |
| Model | T210N |
| Manufacturer's Serial Number | 21063092 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | DON TENNEY AIRCRAFT REBUILDERS INC |
| Street | 13620 NEW AIRPORT RD |
| City | AUBURN |
| State | CA |
| Zip Code | 95603 |
| County | Okmulgee County |
| Country | US |
| Certificate Issue Date | 1982-09-17 |
| Last Action Date | 1991-07-25 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1991-10-09 |