| Tail Number / N-Number | N4912J |
| Manufacturer | PIPER |
| Model | PA-28R-180 |
| Manufacturer's Serial Number | 28R-30631 |
| 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 | 107 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WALLACE WILLIAM R |
| Street | 1971 AVIATION LOOP |
| City | FREDERICKSBURG |
| State | TX |
| Zip Code | 78624-7773 |
| Region | Southwestern |
| County | Gillespie County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2020-04-22 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-04-30 |
| Status | Valid Registration |
| Mode S Code | 51413166 |
| Mode S Code Hex | A61676 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4912J.
| Tail Number / N-Number | N4912J |
| Manufacturer | CESSNA |
| Model | T188C |
| Manufacturer's Serial Number | T18803779T |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| 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 COMPANY |
| Street | PAWNEE DIVISION |
| City | WICHITA |
| State | KS |
| Zip Code | 67202 |
| Region | Central |
| County | Gillespie County |
| Certificate Issue Date | 1980-12-17 |
| Last Status | Valid Registration |
| Cancellation Date | 1981-05-14 |
| Exported To | MEXICO |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4912J.
| Tail Number / N-Number | N4912J |
| Manufacturer | OADEN EDWARD A |
| Model | GUMMY BEAR 1 |
| Manufacturer's Serial Number | 1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| County | Gillespie County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1988-04-05 |