| Tail Number / N-Number | N3789G |
| Manufacturer | BEECH |
| Model | A45 |
| Manufacturer's Serial Number | G-737 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Average Cruising Speed | 141 miles per hour |
| Type of Registrant | LLC |
| Owner Name | MENTOR 89G LLC |
| Street | 41 LOGAN WAY |
| City | KALISPELL |
| State | MT |
| Zip Code | 59901-6869 |
| Region | Northwest Mountain |
| County | Flathead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2021-02-27 |
| Last Action Date | 2021-02-27 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51052435 |
| Mode S Code Hex | A4551D |