| Tail Number / N-Number | N27858 |
| Manufacturer | PIPER |
| Model | J4A |
| Year Built | 1940 |
| Manufacturer's Serial Number | 4-1078 |
| 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 | CONT MOTOR |
| Engine Model | A&C65 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MOUNTAIN AIR RESEARCH INC |
| Street | 4388 TREEFARM LN NE |
| City | IOWA CITY |
| State | IA |
| Zip Code | 52240-7828 |
| Region | Central |
| County | Johnson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1958-08-25 |
| Certificate Issue Date | 2012-09-25 |
| Last Action Date | 2021-05-03 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50543534 |
| Mode S Code Hex | A2C75C |