| Tail Number / N-Number | N104PJ |
| Manufacturer | KOO CARLOS CHANG |
| Model | LANCAIR IV-P |
| Manufacturer's Serial Number | LIV-491 |
| 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) |
| Engine Manufacturer | WALTER |
| Engine Model | 601EX |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 750 hp (560 kW) |
| Kit Manufacturer | LANCAIR INTL INC |
| Kit Model | LANCAIR IV P |
| Type of Registrant | Corporation |
| Owner Name | ST LOUIS SPORTS CAR COMPANY INC |
| Street | 110 N NEWSTEAD AVE APT 304 |
| City | SAINT LOUIS |
| State | MO |
| Zip Code | 63108-2268 |
| Region | Central |
| County | St. Louis city |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2015-11-10 |
| Last Action Date | 2022-07-26 |
| Status | Valid Registration |
| Mode S Code | 50012336 |
| Mode S Code Hex | A014DE |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N104PJ.
| Tail Number / N-Number | N104PJ |
| Manufacturer | LOCKHEED |
| Model | F-104G |
| Manufacturer's Serial Number | FX84 |
| 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 |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | UNKNOWN |
| City | MCMINNVILLE |
| State | OK |
| Zip Code | 73125 |
| County | St. Louis city |
| Country | US |
| Last Action Date | 2013-06-24 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2014-12-18 |