| Tail Number / N-Number | N1ZY |
| Manufacturer | DAVIS HAROLD |
| Model | VANS RV4 |
| Year Built | 1994 |
| Manufacturer's Serial Number | 2805 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | DAVIS HAROLD |
| Street | 13627 N TERRACE CREEK CIR |
| City | HOUSTON |
| State | TX |
| Zip Code | 77014-2026 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1994-07-22 |
| Certificate Issue Date | 1994-04-07 |
| Last Action Date | 2022-12-09 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 50001130 |
| Mode S Code Hex | A00258 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1ZY.
| Tail Number / N-Number | N1ZY |
| Manufacturer | AGUSTA SPA |
| Model | A109A II |
| Manufacturer's Serial Number | 7430 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | AUGUSTA AVIATION CORP |
| Street | RED LION & NORCOM RD |
| City | PHILADELPHIA |
| State | PA |
| Zip Code | 19154 |
| Region | Eastern |
| County | Harris County |
| Country | US |
| Certificate Issue Date | 1988-08-02 |
| Last Status | Valid Registration |
| Cancellation Date | 1988-11-28 |
| Exported To | ITALY |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1ZY.
| Tail Number / N-Number | N1ZY |
| Manufacturer | BEECH |
| Model | M35 |
| Manufacturer's Serial Number | D6362 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DAVIS HAROLD E DBA |
| Other Names |
|
| Street | 1110 ROBERT ST |
| City | PEARLAND |
| State | TX |
| Zip Code | 77581 |
| County | Harris County |
| Country | US |
| Certificate Issue Date | 1986-11-04 |
| Last Action Date | 1992-10-22 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1993-01-27 |