| Tail Number / N-Number | N721 |
| Manufacturer | CESSNA |
| Model | TU206G |
| Year Built | 1981 |
| Manufacturer's Serial Number | U20606256 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Average Cruising Speed | 132 miles per hour |
| Type of Registrant | Government |
| Owner Name | DEPARTMENT OF THE INTERIOR |
| Street | OFFICE OF AVIATION SERVICES 300 E MALLARD DR STE 200 |
| City | BOISE |
| State | ID |
| Zip Code | 83706-3991 |
| Region | Northwest Mountain |
| County | Ada County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-05-12 |
| Certificate Issue Date | 2000-10-10 |
| Last Action Date | 2021-06-01 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 52323502 |
| Mode S Code Hex | A9A742 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N721.
| Tail Number / N-Number | N721 |
| Manufacturer | CONSOLIDATED VULTEE/BRINKERHOF |
| Model | L5A |
| Manufacturer's Serial Number | 76-48 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Type of Registrant | Government |
| Owner Name | UNITED STATES GOVERNMENT DEPT OF INTERIOR FISH & |
| County | Ada County |
| Certificate Issue Date | 1946-03-15 |
| Last Status | Valid Registration |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N721.
| Tail Number / N-Number | N721 |
| Manufacturer | CURTISS WRIGHT |
| Model | JN4D |
| Manufacturer's Serial Number | 2549 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Individual |
| Owner Name | RILEY N W |
| County | Ada County |
| Last Status | Valid Registration |
| Cancellation Date | 1930-05-02 |