| Tail Number / N-Number | N5123E |
| Manufacturer | CESSNA |
| Model | 172N |
| Year Built | 1978 |
| Manufacturer's Serial Number | 17271722 |
| 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 | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MILLER KENNETH ALLEN |
| Street | 245 NEWTON AVE |
| City | RIVERHEAD |
| State | NY |
| Zip Code | 11901-4712 |
| Region | Eastern |
| County | Suffolk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-11-16 |
| Certificate Issue Date | 2022-10-18 |
| Last Action Date | 2022-10-18 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51465643 |
| Mode S Code Hex | A66BA3 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N5123E.
| Tail Number / N-Number | N5123E |
| Manufacturer | CESSNA |
| Model | 180 |
| Manufacturer's Serial Number | 50423 |
| 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 | 121 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SUMMER INSTITUTE OF LINGUISTICS |
| Street | BOX 1960 |
| City | SANTA ANA |
| State | CA |
| Zip Code | 92701 |
| Region | Western-Pacific |
| County | Suffolk County |
| Last Status | Valid Registration |
| Cancellation Date | 1961-03-16 |
| Exported To | PERU |