| Tail Number / N-Number | N57HJ |
| Manufacturer | GULFSTREAM AEROSPACE |
| Model | G-IV |
| Year Built | 1995 |
| Manufacturer's Serial Number | 1261 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 22 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | TAY 611SER |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 12,450 pounds-force (55.4 kN) |
| Total Thrust | 24,900 pounds-force (110.8 kN) |
| Type of Registrant | LLC |
| Owner Name | AC AVIATION LLC |
| Street | 5 JULIANO DR |
| City | OXFORD |
| State | CT |
| Zip Code | 06478-1042 |
| Region | New England |
| County | New Haven County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1995-02-22 |
| Certificate Issue Date | 2022-09-16 |
| Last Action Date | 2022-09-16 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51646310 |
| Mode S Code Hex | A74CC8 |