| Tail Number / N-Number | N5257J |
| Manufacturer | CESSNA |
| Model | M337B |
| Year Built | 1967 |
| Manufacturer's Serial Number | 337M0116 |
| 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 | IO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 141 miles per hour |
| Type of Registrant | LLC |
| Owner Name | VETH RESEARCH ASSOCIATES LLC |
| Street | 1148 TROON DR W |
| City | NICEVILLE |
| State | FL |
| Zip Code | 32578-4063 |
| Region | Southern |
| County | Okaloosa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1994-02-18 |
| Certificate Issue Date | 2021-05-03 |
| Last Action Date | 2021-05-03 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 51517327 |
| Mode S Code Hex | A69ED7 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N5257J.
| Tail Number / N-Number | N5257J |
| Manufacturer | MOONEY |
| Model | M20J |
| Manufacturer's Serial Number | 243073 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 126 miles per hour |
| County | Okaloosa County |
| Last Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Cancellation Date | 1989-01-11 |