| Tail Number / N-Number | N81640 |
| Manufacturer | BEECH |
| Model | F33A |
| Year Built | 1991 |
| Manufacturer's Serial Number | CE-1591 |
| Aircraft Type | Fixed wing single 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 285 hp (213 kW) |
| Average Cruising Speed | 138 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MILLER RALPH G TRUSTEE |
| Street | 3063 ARDEN WAY |
| City | NAPA |
| State | CA |
| Zip Code | 94558-4329 |
| Region | Western-Pacific |
| County | Napa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1991-06-17 |
| Certificate Issue Date | 2023-01-26 |
| Last Action Date | 2023-01-26 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 52621243 |
| Mode S Code Hex | AB22A3 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N81640.
| Tail Number / N-Number | N81640 |
| Manufacturer | PIPER |
| Model | PA-28-201T |
| Manufacturer's Serial Number | 28R8031070 |
| 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 |
| County | Napa County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1989-01-12 |