| Tail Number / N-Number | N8640E |
| Manufacturer | BEECH |
| Model | C-45H |
| Manufacturer's Serial Number | AF-510 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 450 hp (336 kW) |
| Total Horsepower | 900 hp (671 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | GRIMES FLYING LAB FOUNDATION |
| Street | 1636 N MAIN ST |
| City | URBANA |
| State | OH |
| Zip Code | 43078-5001 |
| Region | Great Lakes |
| County | Champaign County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1986-02-10 |
| Certificate Issue Date | 2003-02-24 |
| Last Action Date | 2022-09-09 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52760020 |
| Mode S Code Hex | ABE010 |