| Tail Number / N-Number | N9640M |
| Manufacturer | MOONEY |
| Model | M20F |
| Year Built | 1966 |
| Manufacturer's Serial Number | 670217 |
| 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 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | DAVIS PSYCHOLOGICAL SERVICES PC |
| Other Names |
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| Street | 809 5TH AVE |
| City | GRINNELL |
| State | IA |
| Zip Code | 50112-1653 |
| Region | Central |
| County | Poweshiek County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2020-06-26 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 53266546 |
| Mode S Code Hex | AD6D66 |