| Tail Number / N-Number | N4ZE |
| Manufacturer | ROBERTS LIONA R |
| Model | ZENITH STOL CH 750 |
| Manufacturer's Serial Number | 75-7504 |
| 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 |
| Kit Manufacturer | ZENITH AIRCRAFT CO |
| Kit Model | STOL CH 750 |
| Type of Registrant | Individual |
| Owner Name | KEYES GEORGE E JR |
| Street | 359 E 100 S |
| City | MOAB |
| State | UT |
| Zip Code | 84532-2602 |
| Region | Northwest Mountain |
| County | Grand County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-11-03 |
| Certificate Issue Date | 2019-06-05 |
| Last Action Date | 2022-02-10 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 51125063 |
| Mode S Code Hex | A4AA33 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4ZE.
| Tail Number / N-Number | N4ZE |
| Manufacturer | S C AEROSTAR S A |
| Model | YAK-52TW |
| Year Built | 2004 |
| Manufacturer's Serial Number | 0412509 |
| 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 | Corporation |
| Owner Name | BEAR AIR CORP |
| Street | 1515 ORTH RD HANGAR MB4 |
| City | POPLAR GROVE |
| State | IL |
| Zip Code | 61065 |
| County | Grand County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-03-31 |
| Certificate Issue Date | 2007-08-23 |
| Last Action Date | 2007-08-23 |
| Last Status | Valid Registration |
| Cancellation Date | 2007-11-19 |
| Exported To | AUSTRALIA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4ZE.
| Tail Number / N-Number | N4ZE |
| Manufacturer | LAUGHLIN |
| Model | VARI-EZE |
| Manufacturer's Serial Number | 444 |
| 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 |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LAUGHLIN EDWARD S |
| Street | 1434 BRYAN AVE |
| City | SAN JOSE |
| State | CA |
| Zip Code | 95118 |
| County | Grand County |
| Country | US |
| Certificate Issue Date | 1983-02-01 |
| Last Action Date | 1992-04-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1994-08-03 |