Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4994N.
| Tail Number / N-Number | N4994N |
| Manufacturer | DOUGLAS |
| Model | C-47J |
| Manufacturer's Serial Number | 17268 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 32 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ENVIRONMENTAL AV SVC INC |
| Street | PO BOX 487 |
| City | BOURG |
| State | LA |
| Zip Code | 70343-0487 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-04-06 |
| Certificate Issue Date | 1985-03-08 |
| Last Action Date | 2007-04-17 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2007-05-23 |
| Mode S Code | 51432170 |
| Mode S Code Hex | A63478 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4994N.
| Tail Number / N-Number | N4994N |
| Manufacturer | BEECH |
| Model | C18S |
| Manufacturer's Serial Number | 5653 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Government |
| Owner Name | LETOURNEAU TECHNICAL INSTITUTE OF TEXAS |
| Street | PO BOX 2307 |
| City | LONGVIEW |
| State | TX |
| Zip Code | 75001 |
| Region | Southwestern |
| Certificate Issue Date | 1959-01-15 |
| Last Status | Valid Registration |
| Cancellation Date | 1965-05-21 |
| Mode S Code | 51432170 |
| Mode S Code Hex | A63478 |