| Tail Number / N-Number | N3821H |
| Manufacturer | ERCOUPE |
| Model | 415-D |
| Year Built | 1947 |
| Manufacturer's Serial Number | 4522 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WILSON CHRISTOPHER W |
| Street | 5101 STATE HIGHWAY 34 |
| City | HONEY GROVE |
| State | TX |
| Zip Code | 75446-6017 |
| Region | Southwestern |
| County | Fannin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-03-01 |
| Certificate Issue Date | 2022-01-03 |
| Last Action Date | 2022-01-03 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51062473 |
| Mode S Code Hex | A4653B |