| Tail Number / N-Number | N21493 |
| Manufacturer | CESSNA |
| Model | T206H |
| Year Built | 2003 |
| Manufacturer's Serial Number | T20608423 |
| 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 | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Type of Registrant | Individual |
| Owner Name | MACMILLAN ROBERT J |
| Street | 587 PLEASANT ST |
| City | FRANKLIN |
| State | MA |
| Zip Code | 02038-1119 |
| Region | New England |
| County | Norfolk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2003-11-24 |
| Certificate Issue Date | 2003-12-05 |
| Last Action Date | 2022-02-15 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 50346015 |
| Mode S Code Hex | A1CC0D |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21493.
| Tail Number / N-Number | N21493 |
| Manufacturer | PIPER |
| Model | J-3 |
| Manufacturer's Serial Number | 2331 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | 56 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KIJOWSKI LOUIS |
| Street | R D #1 |
| City | FREEPORT |
| State | PA |
| Zip Code | 19102 |
| Region | Eastern |
| County | Norfolk County |
| Certificate Issue Date | 1950-10-30 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-11-21 |