| Tail Number / N-Number | N27891 |
| Manufacturer | PIPER |
| Model | J4F |
| Year Built | 1940 |
| Manufacturer's Serial Number | 4-1113 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-145B SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DARR DENNIS L |
| Street | 40716 HWY 395 |
| City | BORON |
| State | CA |
| Zip Code | 93516 |
| Region | Western-Pacific |
| County | Kern County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-10-31 |
| Certificate Issue Date | 1978-04-11 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 50543741 |
| Mode S Code Hex | A2C7E1 |