| Tail Number / N-Number | N55121 |
| Manufacturer | CESSNA |
| Model | 172P |
| Year Built | 1981 |
| Manufacturer's Serial Number | 17275114 |
| 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) |
| Type of Registrant | Individual |
| Owner Name | DIETERMAN RICHARD |
| Street | 2715 LEINAAR RD |
| City | DELTON |
| State | MI |
| Zip Code | 49046-9567 |
| Region | Great Lakes |
| County | Barry County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-07-13 |
| Certificate Issue Date | 2003-12-05 |
| Last Action Date | 2021-12-31 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 51602732 |
| Mode S Code Hex | A705DA |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N55121.
| Tail Number / N-Number | N55121 |
| Manufacturer | CONS VULTEE/BASINGER |
| Model | BT-13A |
| Manufacturer's Serial Number | 332 |
| 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 |
| Type of Registrant | Government |
| Owner Name | ARKANSAS STATE BOARD OF HEALTH |
| Street | 424 BROADWAY |
| City | LITTLE ROCK |
| State | AR |
| Zip Code | 72331 |
| Region | Southwestern |
| County | Barry County |
| Certificate Issue Date | 1953-03-11 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-09-14 |