| Tail Number / N-Number | N4523L |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-402 |
| Manufacturer's Serial Number | 402-0757 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | PT6A SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 500 hp (373 kW) |
| Type of Registrant | Individual |
| Owner Name | MEHLING RYAN |
| Street | 1100 CLARK AVE |
| City | BILLINGS |
| State | MT |
| Zip Code | 59102-5415 |
| Region | Northwest Mountain |
| County | Yellowstone County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1990-05-21 |
| Certificate Issue Date | 2021-08-09 |
| Last Action Date | 2021-08-09 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51276126 |
| Mode S Code Hex | A57C56 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4523L.
| Tail Number / N-Number | N4523L |
| Manufacturer | LONGMIRE DELMAR L |
| Model | LONGMIRE DL-10 |
| Manufacturer's Serial Number | 741 |
| Aircraft Type | Fixed wing single engine |
| 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 |
| County | Yellowstone County |
| Last Status | N-Number Assigned – but has not yet been registered |