| Tail Number / N-Number | N894MT |
| Manufacturer | TROMPETER MARK STEVEN |
| Model | CHALLENGER II |
| Year Built | 1994 |
| Manufacturer's Serial Number | 1082 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| 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 | TROMPETER MARK S |
| Street | 2606 COUNTY ROAD 94 |
| City | INTL FALLS |
| State | MN |
| Zip Code | 56649-8754 |
| Region | Great Lakes |
| County | Koochiching County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1995-06-01 |
| Certificate Issue Date | 1994-11-25 |
| Last Action Date | 2021-11-02 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 53052525 |
| Mode S Code Hex | AC5555 |