| Tail Number / N-Number | N12129 |
| Manufacturer | CESSNA |
| Model | 172M |
| Year Built | 1973 |
| Manufacturer's Serial Number | 17261827 |
| 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 | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CHAMPAGNE PATRICK D |
| Street | PO BOX 62614 |
| City | SAN ANGELO |
| State | TX |
| Zip Code | 76906-2614 |
| Region | Southwestern |
| County | Tom Green County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1973-06-21 |
| Certificate Issue Date | 2003-10-07 |
| Last Action Date | 2021-07-07 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 50055051 |
| Mode S Code Hex | A05A29 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N12129.
| Tail Number / N-Number | N12129 |
| Manufacturer | STINSON |
| Model | U |
| Manufacturer's Serial Number | 9014 |
| Aircraft Type | Fixed wing multi 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 | 3 engines |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WALKER ELIZABETH |
| Street | 3801 ROANOKE RD. |
| City | KANSAS CITY |
| State | KS |
| Zip Code | 66012 |
| Region | Central |
| County | Tom Green County |
| Certificate Issue Date | 1937-10-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1937-10-23 |