| Tail Number / N-Number | N61BW |
| Manufacturer | WELCH WILLIAM BEN |
| Model | LANCAIR IV P |
| Year Built | 2000 |
| Manufacturer's Serial Number | LIV-413 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Kit Manufacturer | LANCAIR INTL INC |
| Kit Model | LANCAIR IV P |
| Type of Registrant | Individual |
| Owner Name | WELCH WILLIAM BEN |
| Street | 15774 S MARKLEY RD |
| City | DANVILLE |
| State | IL |
| Zip Code | 61834-8080 |
| Region | Great Lakes |
| County | Vermilion County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2000-06-20 |
| Certificate Issue Date | 1999-08-23 |
| Last Action Date | 2020-08-14 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 51766223 |
| Mode S Code Hex | A7EC93 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N61BW.
| Tail Number / N-Number | N61BW |
| Manufacturer | BEECH |
| Model | C23 |
| Manufacturer's Serial Number | M-1359 |
| 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 | 116 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | ACE CONSTRUCTION COMPANY |
| Street | RR 5 BOX 5306 |
| City | BELTON |
| State | TX |
| Zip Code | 76513 |
| County | Vermilion County |
| Country | US |
| Certificate Issue Date | 1981-03-09 |
| Last Action Date | 1984-06-26 |
| Last Status | Administratively canceled |
| Cancellation Date | 1984-06-21 |