| Tail Number / N-Number | N729RM |
| Manufacturer | MATTISON ROBERT L |
| Model | KITFOX MODEL 4 |
| Year Built | 1993 |
| Manufacturer's Serial Number | 1459 |
| 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 | MATTISON ROBERT N |
| Street | 7118 WISER SHORE LN |
| City | LYNDEN |
| State | WA |
| Zip Code | 98264-9638 |
| Region | Northwest Mountain |
| County | Whatcom County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-06-28 |
| Certificate Issue Date | 2015-08-18 |
| Last Action Date | 2021-03-16 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 52343176 |
| Mode S Code Hex | A9C67E |