| Tail Number / N-Number | N999TW |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R22 BETA |
| Year Built | 2001 |
| Manufacturer's Serial Number | 3267 |
| Aircraft Type | Rotorcraft |
| 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 | LYCOMING |
| Engine Model | O-360 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | LLC |
| Owner Name | THOMAS AVIATION LLC |
| Street | PO BOX 349 |
| City | ORLEANS |
| State | CA |
| Zip Code | 95556-0349 |
| Region | Western-Pacific |
| County | Humboldt County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2002-02-07 |
| Certificate Issue Date | 2010-01-12 |
| Last Action Date | 2022-04-13 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 53372720 |
| Mode S Code Hex | ADF5D0 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N999TW.
| Tail Number / N-Number | N999TW |
| Manufacturer | MOONEY |
| Model | M20C |
| Manufacturer's Serial Number | 2077 |
| 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 | 127 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS TOM D |
| Street | 903 NE 8TH ST |
| City | E WENATCHEE |
| State | WA |
| Zip Code | 98801 |
| Region | Northwest Mountain |
| County | Humboldt County |
| Certificate Issue Date | 1975-12-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1977-03-25 |
| Exported To | CANADA |