| Tail Number / N-Number | N81VP |
| Manufacturer | WOODRUFF HAROLD S |
| Model | LANCAIR IV |
| Year Built | 2003 |
| Manufacturer's Serial Number | LIV-450 |
| 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-550 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 280 hp (209 kW) |
| Kit Manufacturer | LANCAIR INTL INC |
| Kit Model | LANCAIR IV P |
| Type of Registrant | Individual |
| Owner Name | WOODRUFF HAROLD S |
| Street | 8269 CALLE DEL PRADO |
| City | RANCHO CUCAMONGA |
| State | CA |
| Zip Code | 91730-1018 |
| Region | Western-Pacific |
| County | San Bernardino County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-02-13 |
| Certificate Issue Date | 2022-07-09 |
| Last Action Date | 2022-07-09 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52604354 |
| Mode S Code Hex | AB08EC |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N81VP.
| Tail Number / N-Number | N81VP |
| Manufacturer | SCHMAHL EDWARD F |
| Model | VOLKSPLANE VP-1 |
| Manufacturer's Serial Number | V2499 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | SCHMAHL EDWARD F |
| Street | 12909 OLIVE STREET |
| City | OMAHA |
| State | NE |
| Zip Code | 68138 |
| County | San Bernardino County |
| Country | US |
| Certificate Issue Date | 1984-07-18 |
| Last Action Date | 1991-01-31 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1991-03-29 |