| Tail Number / N-Number | N3840H |
| Manufacturer | MOONEY |
| Model | M20J |
| Year Built | 1980 |
| Manufacturer's Serial Number | 24-0959 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| 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 | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | KIRCHER SERVICES INC |
| Street | 1260 21ST NW #700 |
| City | WASHINGTON |
| State | DC |
| Zip Code | 20036 |
| Region | Eastern |
| County | District of Columbia |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-02-12 |
| Certificate Issue Date | 1980-04-29 |
| Last Action Date | 2022-09-11 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51066206 |
| Mode S Code Hex | A46C86 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3840H.
| Tail Number / N-Number | N3840H |
| Manufacturer | ERCOUPE |
| Model | 415-CD |
| Year Built | 1947 |
| Manufacturer's Serial Number | 4541 |
| 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 | 90 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | BLAKELEY WILLIAM ALFRED ET AL |
| Street | 740 DRESDEN AVE |
| City | EAST LIVERPOOL |
| State | OH |
| Zip Code | 43920 |
| Region | Great Lakes |
| County | District of Columbia |
| Certificate Issue Date | 1950-05-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-11-21 |