| Tail Number / N-Number | N20MW |
| Manufacturer | CESSNA |
| Model | 421B |
| Year Built | 1975 |
| Manufacturer's Serial Number | 421B0918 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | GTSIO-520-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 340 hp (254 kW) |
| Total Horsepower | 680 hp (507 kW) |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Individual |
| Owner Name | STRIEBEL DAVID J |
| Street | 10159 SIMMS STATION RD |
| City | DAYTON |
| State | OH |
| Zip Code | 45458-9526 |
| Region | Great Lakes |
| County | Montgomery County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-05-21 |
| Certificate Issue Date | 2005-03-02 |
| Last Action Date | 2022-08-08 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50310322 |
| Mode S Code Hex | A190D2 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N20MW.
| Tail Number / N-Number | N20MW |
| Manufacturer | CESSNA |
| Model | 650 |
| Manufacturer's Serial Number | 6500052 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | HIGHLAND AVIATION INC |
| Street | PO BOX 512301 |
| City | EL PASO |
| State | TX |
| Zip Code | 79951 |
| County | Montgomery County |
| Country | US |
| Certificate Issue Date | 1985-08-14 |
| Last Action Date | 1990-10-11 |
| Last Status | Valid Registration |
| Cancellation Date | 1992-07-17 |
| Exported To | MEXICO |