| Tail Number / N-Number | N4074E |
| Manufacturer | EUROCOPTER |
| Model | AS 350 B2 |
| Year Built | 1996 |
| Manufacturer's Serial Number | 2950 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | ARRIEL 1D1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 712 hp (531 kW) |
| Type of Registrant | LLC |
| Owner Name | AVIATION TRUST COMPANY LLC TRUSTEE |
| Street | PO BOX 950876 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73195-0876 |
| Region | Southwestern |
| County | Oklahoma County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2005-01-27 |
| Certificate Issue Date | 2022-12-16 |
| Last Action Date | 2022-12-16 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51144613 |
| Mode S Code Hex | A4C98B |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4074E.
| Tail Number / N-Number | N4074E |
| Manufacturer | PIPER |
| Model | PA-18-150 |
| Manufacturer's Serial Number | 187809053 |
| 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 | SCHOENFELD FRED L |
| Street | HCR 70 BOX 308 |
| City | SABINAL |
| State | TX |
| Zip Code | 78881 |
| County | Oklahoma County |
| Country | US |
| Certificate Issue Date | 1990-08-22 |
| Last Action Date | 1990-08-23 |
| Last Status | Valid Registration |
| Cancellation Date | 1993-04-28 |
| Exported To | CANADA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4074E.
| Tail Number / N-Number | N4074E |
| Manufacturer | AERONCA |
| Model | 11BC |
| Manufacturer's Serial Number | 11BC-166 |
| 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 | 75 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SHEPARD GEORGE H |
| Street | 184 WEST SECOND STREET |
| City | DUNKIRK |
| State | NY |
| Zip Code | 10001 |
| Region | Eastern |
| County | Oklahoma County |
| Certificate Issue Date | 1960-04-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1962-08-13 |
| Exported To | CANADA |