| Tail Number / N-Number | N4000A |
| Manufacturer | WOLF KENNETH |
| Model | TRAVEAIR 4000 |
| Manufacturer's Serial Number | 458010422 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | KUNKLE JAMES K |
| Street | PO BOX 1809 |
| City | SANTA YNEZ |
| State | CA |
| Zip Code | 93460-1809 |
| Region | Western-Pacific |
| County | Santa Barbara County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2006-03-09 |
| Last Action Date | 2022-05-15 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51127372 |
| Mode S Code Hex | A4AEFA |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4000A.
| Tail Number / N-Number | N4000A |
| Manufacturer | DOUGLAS |
| Model | C54G-DC |
| Year Built | 1955 |
| Manufacturer's Serial Number | 36063 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 60 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 173 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | UNITED STATES OVERSEAS AIRLINES INC |
| Street | PO BOX 234 |
| City | WILDWOOD |
| State | NJ |
| Zip Code | 08260 |
| Region | Eastern |
| County | Santa Barbara County |
| Certificate Issue Date | 1955-12-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1966-04-21 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4000A.
| Tail Number / N-Number | N4000A |
| Manufacturer | AYRES CORPORATION |
| Model | S-2R |
| Manufacturer's Serial Number | 2460R |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 |
| County | Santa Barbara County |
| Last Status | N-Number Assigned – but has not yet been registered |