| Tail Number / N-Number | N17U |
| Manufacturer | CESSNA |
| Model | 310I |
| Year Built | 1964 |
| Manufacturer's Serial Number | 310I0093 |
| Aircraft Type | Fixed wing multi 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | I0-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 260 hp (194 kW) |
| Total Horsepower | 520 hp (388 kW) |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GRADY ROY S |
| Street | 3166 COUNTY ROAD 232 N |
| City | HENDERSON |
| State | TX |
| Zip Code | 75652-4047 |
| Region | Southwestern |
| County | Rusk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1964-05-08 |
| Certificate Issue Date | 2019-02-04 |
| Last Action Date | 2021-10-05 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 50214226 |
| Mode S Code Hex | A11896 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N17U.
| Tail Number / N-Number | N17U |
| Manufacturer | CESSNA |
| Model | 310A |
| Manufacturer's Serial Number | 38095 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | 310 ENTERPRISES INC |
| Street | RFD 8 |
| City | LINCOLN |
| State | NE |
| Zip Code | 68506 |
| County | Rusk County |
| Country | US |
| Certificate Issue Date | 1977-08-17 |
| Last Action Date | 1982-04-15 |
| Last Status | Administratively canceled |
| Cancellation Date | 1982-01-18 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N17U.
| Tail Number / N-Number | N17U |
| Manufacturer | BEECH |
| Model | E50 |
| Year Built | 1957 |
| Manufacturer's Serial Number | EH-65 |
| Aircraft Type | Fixed wing multi 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 | 2 engines |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SWEARINGEN AIRCRAFT CORP |
| Street | PO BOX 6904 |
| City | SAN ANTONIO |
| State | TX |
| Zip Code | 78209 |
| Region | Southwestern |
| County | Rusk County |
| Certificate Issue Date | 1966-07-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1969-11-25 |