| Tail Number / N-Number | N921TA |
| Manufacturer | CESSNA |
| Model | 172R |
| Year Built | 1997 |
| Manufacturer's Serial Number | 17280244 |
| 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 | I0-360-B1E |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | LLC |
| Owner Name | ATP AIRCRAFT 4 LLC |
| Street | 251 LITTLE FALLS DR |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19808-1674 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1997-11-22 |
| Certificate Issue Date | 2008-05-13 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 53141613 |
| Mode S Code Hex | ACC38B |