| Tail Number / N-Number | N16ST |
| Manufacturer | DEXTER BRUCE J |
| Model | CH-2 |
| Year Built | 2003 |
| Manufacturer's Serial Number | CH2-2143 |
| 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 |
| Kit Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Kit Model | CHALLENGER II |
| Type of Registrant | Individual |
| Owner Name | JOHNSON DOUGLAS C |
| Street | 20 2ND ST |
| City | NORTH GRAFTON |
| State | MA |
| Zip Code | 01536-1541 |
| Region | New England |
| County | Worcester County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-06-11 |
| Certificate Issue Date | 2009-06-05 |
| Last Action Date | 2020-04-10 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 50170367 |
| Mode S Code Hex | A0F0F7 |