Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N31229.
| Tail Number / N-Number | N31229 |
| Manufacturer | MAUL |
| Model | MINI COUPE |
| Year Built | 1975 |
| Manufacturer's Serial Number | M-116 |
| 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 |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MAUL LESTER R |
| Street | 1109 HARLAN |
| City | LAKEWOOD |
| State | CO |
| Zip Code | 80214 |
| Country | US |
| Certificate Issue Date | 1976-01-08 |
| Last Action Date | 1983-06-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2014-09-29 |
| Mode S Code | 50650377 |
| Mode S Code Hex | A350FF |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N31229.
| Tail Number / N-Number | N31229 |
| Manufacturer | BOEING |
| Model | 377 |
| Manufacturer's Serial Number | 15969 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 92 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 263 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | UNITED AIR LINES |
| Street | UNITED AIR LINES BUILDING |
| City | CHICAGO |
| State | IL |
| Zip Code | 60007 |
| Region | Great Lakes |
| Certificate Issue Date | 1950-01-11 |
| Last Status | Valid Registration |
| Cancellation Date | 1954-09-28 |
| Exported To | UNITED KINGDOM |
| Mode S Code | 50650377 |
| Mode S Code Hex | A350FF |