| Tail Number / N-Number | N177DJ |
| Manufacturer | HUMPHREYS B D/HUMPHREYS J D |
| Model | PITTS SPEC S1S |
| Year Built | 1994 |
| Manufacturer's Serial Number | 002 |
| 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) |
| 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 | LLC |
| Owner Name | QUALITAIR LLC TRUSTEE |
| Street | FLUGPLATZ MICHELSTADT MOSSIER STRASSE 17 |
| City | MICHELSTADT |
| Zip Code | 64720 |
| Region | European |
| Country | DE |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1994-12-16 |
| Certificate Issue Date | 2022-11-23 |
| Last Action Date | 2022-12-09 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50231602 |
| Mode S Code Hex | A13382 |