| Tail Number / N-Number | N3639H |
| Manufacturer | MOONEY |
| Model | M20C |
| Year Built | 1978 |
| Manufacturer's Serial Number | 20-1257 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BEATTY EARL IV |
| Street | 2529 MAYTIME DR |
| City | GAMBRILLS |
| State | MD |
| Zip Code | 21054-1421 |
| Region | Eastern |
| County | Anne Arundel County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-08-08 |
| Certificate Issue Date | 2019-01-09 |
| Last Action Date | 2021-08-16 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51015414 |
| Mode S Code Hex | A41B0C |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3639H.
| Tail Number / N-Number | N3639H |
| Manufacturer | ENGINEERING & RESEARCH |
| Model | 415-C |
| Year Built | 1946 |
| Manufacturer's Serial Number | 4264 |
| 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 | Individual |
| Owner Name | THRALL ALBERT D |
| Street | BOX 132 |
| City | GUYMON |
| State | OK |
| Zip Code | 73942 |
| Region | Southwestern |
| County | Anne Arundel County |
| Certificate Issue Date | 1947-05-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1951-10-04 |