| Tail Number / N-Number | N54123 |
| Manufacturer | MULLIS WILLIAM D |
| Model | HIGHLANDER |
| Manufacturer's Serial Number | JA251-10-11 |
| 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 | JUST AIRCRAFT LLC |
| Kit Model | HIGHLANDER |
| Type of Registrant | Individual |
| Owner Name | WALKER CLEN A |
| Street | 29 SMOKEHOUSE RD |
| City | CRAWFORDVILLE |
| State | FL |
| Zip Code | 32327-3051 |
| Region | Southern |
| County | Wakulla County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-09-21 |
| Certificate Issue Date | 2022-10-06 |
| Last Action Date | 2022-10-06 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51557135 |
| Mode S Code Hex | A6DE5D |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N54123.
| Tail Number / N-Number | N54123 |
| Manufacturer | FAIRCHILD |
| Model | M-62A |
| Manufacturer's Serial Number | 10474AE |
| 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 | Individual |
| Owner Name | CAPT. |
| County | Wakulla County |
| Certificate Issue Date | 1957-01-24 |
| Last Status | Valid Registration |
| Cancellation Date | 1965-10-05 |