| Tail Number / N-Number | N90Y |
| Manufacturer | YOUNG |
| Model | STEEN SKYBOLT |
| Year Built | 1978 |
| Manufacturer's Serial Number | 001 |
| 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 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GIER ROBERTA L |
| Street | 2836 MEAH LN |
| City | BOZEMAN |
| State | MT |
| Zip Code | 59718-1525 |
| Region | Northwest Mountain |
| County | Gallatin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1979-10-05 |
| Certificate Issue Date | 2015-01-14 |
| Last Action Date | 2020-12-24 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 53067371 |
| Mode S Code Hex | AC6EF9 |