Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N31138.
| Tail Number / N-Number | N31138 |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2006 |
| Manufacturer's Serial Number | 11313 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 380 hp (283 kW) |
| Type of Registrant | Corporation |
| Owner Name | MIDWESTERN HELICOPTER LLC |
| Street | 10450 52ND ST |
| City | KENOSHA |
| State | WI |
| Zip Code | 53144-7434 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-06-20 |
| Certificate Issue Date | 2007-05-03 |
| Last Action Date | 2010-04-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-09-26 |
| Mode S Code | 50646552 |
| Mode S Code Hex | A34D6A |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N31138.
| Tail Number / N-Number | N31138 |
| Manufacturer | SWEARINGEN |
| Model | SA227-AC |
| Manufacturer's Serial Number | AC579 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | WHITE INDUSTRIES INC |
| Street | PO BOX 198 |
| City | BATES CITY |
| State | MO |
| Zip Code | 64011 |
| Country | US |
| Certificate Issue Date | 1990-04-16 |
| Last Action Date | 1996-04-17 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1996-06-13 |
| Mode S Code | 50646552 |
| Mode S Code Hex | A34D6A |