| Tail Number / N-Number | N20124 |
| Manufacturer | CESSNA |
| Model | 177B |
| Year Built | 1977 |
| Manufacturer's Serial Number | 17702631 |
| 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 | O&VO-360 SER |
| 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 | CERVEN BOHUSLAV BO |
| Street | 4652 GLEN WAY |
| City | CLAREMONT |
| State | CA |
| Zip Code | 91711-2125 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-03-03 |
| Certificate Issue Date | 1997-06-25 |
| Last Action Date | 2020-03-19 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50314165 |
| Mode S Code Hex | A19875 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N20124.
| Tail Number / N-Number | N20124 |
| Manufacturer | PIPER |
| Model | J-2 |
| Year Built | 1937 |
| Manufacturer's Serial Number | 1924 |
| 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 |
| Average Cruising Speed | 59 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CROSBY HERBERT |
| Street | GENERAL DELIVERY |
| City | TOWER HILL |
| State | IL |
| Zip Code | 62571 |
| Region | Great Lakes |
| County | Los Angeles County |
| Country | US |
| Certificate Issue Date | 1949-04-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1956-02-22 |