| Tail Number / N-Number | N10420 |
| Manufacturer | CESSNA |
| Model | 177B |
| Year Built | 1975 |
| Manufacturer's Serial Number | 17702324 |
| 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 | GREGG HUGH R TRUSTEE |
| Street | 7477 HANSEN DR |
| City | DUBLIN |
| State | CA |
| Zip Code | 94568-2742 |
| Region | Western-Pacific |
| County | Alameda County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-09-19 |
| Certificate Issue Date | 2003-04-11 |
| Last Action Date | 2022-08-11 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 50013107 |
| Mode S Code Hex | A01647 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N10420.
| Tail Number / N-Number | N10420 |
| Manufacturer | DOUGLAS |
| Model | C-47 |
| Manufacturer's Serial Number | 4541 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 32 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | FILL ALBERT J |
| County | Alameda County |
| Certificate Issue Date | 1957-03-26 |
| Last Status | Valid Registration |
| Cancellation Date | 1957-04-04 |
| Exported To | COSTA RICA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N10420.
| Tail Number / N-Number | N10420 |
| Manufacturer | JOHNSON LAWRENCE |
| Model | GLIDER |
| Manufacturer's Serial Number | F-2 |
| Aircraft Type | Glider |
| 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 | 0 engines |
| Type of Registrant | Individual |
| Owner Name | JOHNSON LAWRENCE |
| Street | BOX 82 |
| City | MEDFORD |
| State | OK |
| Zip Code | 73159 |
| Region | Southwestern |
| County | Alameda County |
| Certificate Issue Date | 1930-07-16 |
| Last Status | Valid Registration |
| Cancellation Date | 1933-06-17 |