| Tail Number / N-Number | N2123N |
| Manufacturer | CESSNA |
| Model | 180 |
| Year Built | 1955 |
| Manufacturer's Serial Number | 31815 |
| 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 | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Average Cruising Speed | 121 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | LUMSDEN WILLIAM J TRUSTEE |
| Other Names |
|
| Street | 803 BIRCH ST |
| City | BARABOO |
| State | WI |
| Zip Code | 53913-2008 |
| Region | Great Lakes |
| County | Sauk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-11-01 |
| Certificate Issue Date | 2016-04-06 |
| Last Action Date | 2021-12-29 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 50341676 |
| Mode S Code Hex | A1C3BE |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2123N.
| Tail Number / N-Number | N2123N |
| Manufacturer | BELL |
| Model | 206-L4 |
| Manufacturer's Serial Number | 52135 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Non Citizen Corporation |
| Owner Name | MITSUI BUSSAN AEROSPACE CORPORATION |
| Street | 600 E LAS COLINAS BLVD 1230 |
| City | IRVING |
| State | TX |
| Zip Code | 75039 |
| County | Sauk County |
| Country | US |
| Certificate Issue Date | 1995-06-27 |
| Last Action Date | 1995-06-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1995-09-07 |
| Exported To | JAPAN |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2123N.
| Tail Number / N-Number | N2123N |
| Manufacturer | CESSNA |
| Model | 140 |
| Manufacturer's Serial Number | 12359 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 |
| Average Cruising Speed | 105 miles per hour |
| County | Sauk County |
| Last Status | A second attempt has been made at mailing a Triennial Aircraft Registration form to the owner with no response |
| Cancellation Date | 1989-06-29 |