| Tail Number / N-Number | N4579J |
| Manufacturer | JOHNSON JOHN C |
| Model | GLASTAR |
| Year Built | 2012 |
| Manufacturer's Serial Number | 5819 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Kit Manufacturer | STODDARD HAMILTON |
| Kit Model | GLASTAR |
| Type of Registrant | Corporation |
| Owner Name | SNAGWOOD CORP |
| Street | 3130 BALFOUR RD STE D305 |
| City | BRENTWOOD |
| State | CA |
| Zip Code | 94513-5515 |
| Region | Western-Pacific |
| County | Contra Costa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-02-03 |
| Certificate Issue Date | 2014-10-21 |
| Last Action Date | 2020-05-21 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51307671 |
| Mode S Code Hex | A58FB9 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4579J.
| Tail Number / N-Number | N4579J |
| Manufacturer | JOY GEORGE CARROLL |
| Model | B8M GYROCOPTER |
| Manufacturer's Serial Number | G6535J |
| Aircraft Type | Rotorcraft |
| 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 | 1 engine |
| Type of Registrant | Individual |
| Owner Name | JOY GEORGE C |
| Street | 2320 PARKWOOD |
| City | PORTLAND |
| State | TX |
| Zip Code | 78374 |
| County | Contra Costa County |
| Country | US |
| Certificate Issue Date | 1990-01-26 |
| Last Action Date | 1990-02-08 |
| Last Status | Valid Registration |
| Cancellation Date | 1991-04-12 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4579J.
| Tail Number / N-Number | N4579J |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 28R-30447 |
| 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 | 105 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | MCCAIN EMMETT |
| Street | 5301 FERNWOOD WAY |
| City | SACRAMENTO |
| State | CA |
| Zip Code | 95841 |
| Region | Western-Pacific |
| County | Contra Costa County |
| Certificate Issue Date | 1976-09-24 |
| Last Status | Valid Registration |
| Cancellation Date | 1983-11-18 |