| Tail Number / N-Number | N273B |
| Manufacturer | COLONIAL |
| Model | C-2 |
| Year Built | 1959 |
| Manufacturer's Serial Number | 131 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 91 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | GATES HIRAM P |
| Other Names |
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| Street | 3672 120TH CT W |
| City | FARIBAULT |
| State | MN |
| Zip Code | 55021-7374 |
| Region | Great Lakes |
| County | Rice County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1959-03-09 |
| Certificate Issue Date | 1999-09-01 |
| Last Action Date | 2020-12-11 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50530672 |
| Mode S Code Hex | A2B1BA |