| Tail Number / N-Number | N5691M |
| Manufacturer | ENSTROM |
| Model | F-28C |
| Year Built | 1980 |
| Manufacturer's Serial Number | 485-2 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | HIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 205 hp (153 kW) |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BROWNING ROBERT F |
| Street | 1048 29TH ST NW STE 200 |
| City | WASHINGTON |
| State | DC |
| Zip Code | 20007-3831 |
| Region | Eastern |
| County | District of Columbia |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-04-21 |
| Certificate Issue Date | 2016-12-07 |
| Last Action Date | 2022-07-21 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51645340 |
| Mode S Code Hex | A74AE0 |