| Tail Number / N-Number | N997YT |
| Manufacturer | OSVALD MARK S |
| Model | CHALLENGER II |
| Year Built | 2005 |
| Manufacturer's Serial Number | CH2-0899-1895 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | GRENINGER KEN E |
| Street | 61900 GRAND VIEW CT |
| City | MONTROSE |
| State | CO |
| Zip Code | 81401-8319 |
| Region | Northwest Mountain |
| County | Montrose County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-07-10 |
| Certificate Issue Date | 2007-06-19 |
| Last Action Date | 2020-04-14 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 53367334 |
| Mode S Code Hex | ADEEDC |