| Tail Number / N-Number | N877JS |
| Manufacturer | SIEBERTS JOHN |
| Model | SERIES 7 |
| Year Built | 2004 |
| Manufacturer's Serial Number | S70304027 |
| 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 | ROTAX |
| Engine Model | SEE BOMBADIER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Kit Manufacturer | SKYSTAR ACFT CO |
| Kit Model | KITFOX SERIES 7 |
| Type of Registrant | LLC |
| Owner Name | NORTHWEST STEEL LLC |
| Street | 1573 S MAIN ST |
| City | MILTON FREEWATER |
| State | OR |
| Zip Code | 97862-1228 |
| Region | Northwest Mountain |
| County | Umatilla County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2004-12-29 |
| Certificate Issue Date | 2020-01-30 |
| Last Action Date | 2022-08-18 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53010460 |
| Mode S Code Hex | AC1130 |