| Tail Number / N-Number | N68MM |
| Manufacturer | BEECH |
| Model | A36TC |
| Year Built | 1979 |
| Manufacturer's Serial Number | EA-5 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Corporation |
| Owner Name | LETTERS INC |
| Street | 629 S BROADWAY |
| City | SANTA MARIA |
| State | CA |
| Zip Code | 93454-5181 |
| Region | Western-Pacific |
| County | Santa Barbara County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-05-16 |
| Certificate Issue Date | 2016-07-05 |
| Last Action Date | 2022-04-13 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52200775 |
| Mode S Code Hex | A901FD |