| Tail Number / N-Number | N4729U |
| Type of Reservation | 2 year hold for canceled N-numbers |
| Reserving Party Name | CANCELLED/NOT ASSIGNED |
| Date Reserved | 2022-03-21 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4729U.
| Tail Number / N-Number | N4729U |
| Manufacturer | BOEING |
| Model | 747-122 |
| Manufacturer's Serial Number | 19926 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 495 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 450 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | UNITED AIR LINES INC |
| Street | PO BOX 66100 |
| City | CHICAGO |
| State | IL |
| Zip Code | 60666-0100 |
| Country | US |
| Certificate Issue Date | 1988-05-16 |
| Last Action Date | 1995-09-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1998-05-29 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4729U.
| Tail Number / N-Number | N4729U |
| Manufacturer | CESSNA |
| Model | 150E |
| Year Built | 1965 |
| Manufacturer's Serial Number | 15061177 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | 0-200 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | 4432 THOMPSON PKWY |
| City | JOHNSTOWN |
| State | CO |
| Zip Code | 80534-6423 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1965-01-21 |
| Last Action Date | 2021-05-14 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2022-03-21 |