| Tail Number / N-Number | N4600U |
| Manufacturer | CESSNA |
| Model | T210N |
| Year Built | 1983 |
| Manufacturer's Serial Number | 21064789 |
| 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 | LLC |
| Owner Name | DLW AVIATION LLC |
| Street | PO BOX 7967 |
| City | MISSOULA |
| State | MT |
| Zip Code | 59807-7967 |
| Region | Northwest Mountain |
| County | Missoula County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-05-20 |
| Certificate Issue Date | 2015-03-19 |
| Last Action Date | 2021-12-21 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 51316006 |
| Mode S Code Hex | A59C06 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4600U.
| Tail Number / N-Number | N4600U |
| Manufacturer | CESSNA |
| Model | 180F |
| Manufacturer's Serial Number | 18051300 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 121 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AIR INDUSTRIAL RESEARCH INC |
| Street | 2483 E BAYSHORE |
| City | PALO ALTO |
| State | CA |
| Zip Code | 94303 |
| Region | Western-Pacific |
| County | Missoula County |
| Certificate Issue Date | 1972-04-17 |
| Last Status | Valid Registration |
| Cancellation Date | 1972-05-02 |
| Exported To | CANADA |