| Tail Number / N-Number | N420BJ |
| Manufacturer | JOHANNES ROBERT D |
| Model | JOHANNES-ACRO SPT II |
| Year Built | 1996 |
| Manufacturer's Serial Number | 42 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | JOHANNES ROBERT D |
| Street | 1476 ESPERANZA WAY |
| City | ESCONDIDO |
| State | CA |
| Zip Code | 92027-1351 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1996-11-16 |
| Certificate Issue Date | 1996-11-20 |
| Last Action Date | 2021-11-17 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 51175701 |
| Mode S Code Hex | A4FBC1 |