| Tail Number / N-Number | N1123W |
| Manufacturer | PIPER |
| Model | PA-28-160 |
| Manufacturer's Serial Number | 28-771 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 107 miles per hour |
| Type of Registrant | Individual |
| Owner Name | THIEL JONATHAN RONALD |
| Street | 2585 AVALON RD |
| City | BILLINGS |
| State | MT |
| Zip Code | 59102-1110 |
| Region | Northwest Mountain |
| County | Yellowstone County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1962-09-19 |
| Certificate Issue Date | 2017-12-19 |
| Last Action Date | 2020-07-13 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50033167 |
| Mode S Code Hex | A03677 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1123W.
| Tail Number / N-Number | N1123W |
| Manufacturer | WILLIAMS MICHAEL D |
| Model | LANCAIR 320 |
| Manufacturer's Serial Number | 484-320-50P |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Kit Manufacturer | LANCAIR INTL INC |
| Kit Model | LANCAIR 320/320 FB |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS MICHAEL D |
| Street | RR 2 BOX 74 |
| City | HICO |
| State | TX |
| Zip Code | 76457-9734 |
| County | Yellowstone County |
| Country | US |
| Certificate Issue Date | 1999-04-30 |
| Last Action Date | 2002-04-30 |
| Last Status | A second attempt has been made at mailing a Triennial Aircraft Registration form to the owner with no response |
| Cancellation Date | 2002-11-22 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1123W.
| Tail Number / N-Number | N1123W |
| Manufacturer | CESSNA |
| Model | 208B |
| Manufacturer's Serial Number | 208B0398 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT CO |
| City | WICHITA |
| State | KS |
| Zip Code | 67201 |
| County | Yellowstone County |
| Country | US |
| Last Action Date | 1994-07-05 |
| Last Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Cancellation Date | 1995-02-14 |
| Exported To | ARGENTINA |