Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3581C.
| Tail Number / N-Number | N3581C |
| Manufacturer | PIPER |
| Model | PA-31-350 |
| Year Built | 1980 |
| Manufacturer's Serial Number | 31-8052091 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 310 hp (231 kW) |
| Total Horsepower | 620 hp (463 kW) |
| Average Cruising Speed | 162 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | LABORATORY CORPORATION OF AMERICA HOLDINGS |
| Street | 358 S MAIN ST |
| City | BURLINGTON |
| State | NC |
| Zip Code | 27215-5837 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-02-29 |
| Certificate Issue Date | 1996-01-26 |
| Last Action Date | 2005-01-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2006-06-23 |
| Mode S Code | 51002403 |
| Mode S Code Hex | A40503 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3581C.
| Tail Number / N-Number | N3581C |
| Manufacturer | CESSNA |
| Model | 170B |
| Manufacturer's Serial Number | 26625 |
| 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 | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | RAFB FLYING CLUB INC |
| Street | XXXXX |
| City | RANDOLPH AFB |
| State | TX |
| Zip Code | 78150 |
| Region | Southwestern |
| Certificate Issue Date | 1956-12-06 |
| Last Status | Valid Registration |
| Cancellation Date | 1957-04-04 |
| Mode S Code | 51002403 |
| Mode S Code Hex | A40503 |