| Tail Number / N-Number | N4985Z |
| Manufacturer | AEROVODOCHODY |
| Model | L-29 DELFIN |
| Year Built | 1964 |
| Manufacturer's Serial Number | 491165 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | MATHISON JOHN M |
| Street | 733 E ST |
| City | FERNLEY |
| State | NV |
| Zip Code | 89408-8570 |
| Region | Western-Pacific |
| County | Lyon County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1997-10-15 |
| Certificate Issue Date | 2021-07-07 |
| Last Action Date | 2021-07-07 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51430357 |
| Mode S Code Hex | A630EF |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4985Z.
| Tail Number / N-Number | N4985Z |
| Manufacturer | MCKINNEY-BRUCE |
| Model | VARIEZE |
| Manufacturer's Serial Number | 427 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | GERNERT FRANK E |
| Street | 1775 LEATHER LEAF DRIVE |
| City | LAS VEGAS |
| State | NV |
| Zip Code | 89123 |
| County | Lyon County |
| Country | US |
| Certificate Issue Date | 1986-09-17 |
| Last Action Date | 1992-11-25 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1992-12-15 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4985Z.
| Tail Number / N-Number | N4985Z |
| Manufacturer | PIPER |
| Model | PA-18-150 |
| Manufacturer's Serial Number | 18-7764 |
| 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 | 97 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MEMPHIS AERO CORP |
| Street | MUNICIPAL AIRPORT |
| City | MEMPHIS |
| State | TN |
| Zip Code | 38100 |
| Region | Central |
| County | Lyon County |
| Certificate Issue Date | 1962-01-11 |
| Last Status | Valid Registration |
| Cancellation Date | 1962-09-14 |
| Exported To | CYPRUS |