| Tail Number / N-Number | N9731L |
| Manufacturer | BEECH |
| Model | C23 |
| Year Built | 1971 |
| Manufacturer's Serial Number | M-1358 |
| 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 | 116 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MAINE INSTRUMENT FLIGHT |
| Street | PO BOX 2 |
| City | AUGUSTA |
| State | ME |
| Zip Code | 04332-0002 |
| Region | New England |
| County | Kennebec County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1971-08-30 |
| Certificate Issue Date | 2013-12-17 |
| Last Action Date | 2022-07-12 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 53310520 |
| Mode S Code Hex | AD9150 |