| Tail Number / N-Number | N4LJ |
| Manufacturer | MARTIN THOMAS J |
| Model | LANCAIR IV |
| Manufacturer's Serial Number | LIV 203A |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | MARTIN THOMAS J TRUSTEE |
| Street | 21092 JIMMERSALL LN |
| City | GROVELAND |
| State | CA |
| Zip Code | 95321-9554 |
| Region | Western-Pacific |
| County | Tuolumne County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Date | 1997-11-20 |
| Certificate Issue Date | 2020-09-22 |
| Last Action Date | 2020-09-22 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 51124362 |
| Mode S Code Hex | A4A8F2 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4LJ.
| Tail Number / N-Number | N4LJ |
| Manufacturer | MOONEY AIRCRAFT CORP. |
| Model | M20 |
| Manufacturer's Serial Number | 1070 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HOWARD HARRAL G |
| Street | ROUTE 4 BOX 313 |
| City | HENDERSON |
| State | KY |
| Zip Code | 42420 |
| County | Tuolumne County |
| Country | US |
| Certificate Issue Date | 1984-06-26 |
| Last Action Date | 1987-08-21 |
| Last Status | Administratively canceled |
| Cancellation Date | 1987-08-21 |