| Tail Number / N-Number | N9623Z |
| Manufacturer | AVIAT INC |
| Model | A-1 |
| Year Built | 1991 |
| Manufacturer's Serial Number | 1188 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | YELLOWSTONE AVIATION INC |
| Street | 2650 W STONECROP ROAD P O BOX 6291 |
| City | JACKSON |
| State | WY |
| Zip Code | 83002-6291 |
| Region | Northwest Mountain |
| County | Teton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1991-09-04 |
| Certificate Issue Date | 1996-07-01 |
| Last Action Date | 2020-05-14 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 53263155 |
| Mode S Code Hex | AD666D |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N9623Z.
| Tail Number / N-Number | N9623Z |
| Manufacturer | CALLAIR |
| Model | A-9 |
| Manufacturer's Serial Number | 1026 |
| 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 | 93 miles per hour |
| County | Teton County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |