Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N40450.
| Tail Number / N-Number | N40450 |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R22 BETA |
| Year Built | 1991 |
| Manufacturer's Serial Number | 1649 |
| Aircraft Type | Rotorcraft |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | MOUNTAIN TOP HELICOPTERS |
| Street | 408 PARKSIDE LANE |
| City | MISSOULA |
| State | MT |
| Zip Code | 59801 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1991-01-11 |
| Certificate Issue Date | 1991-04-25 |
| Last Action Date | 1997-09-15 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-10-28 |
| Mode S Code | 51137235 |
| Mode S Code Hex | A4BE9D |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N40450.
| Tail Number / N-Number | N40450 |
| Manufacturer | MARTIN |
| Model | 404 |
| Manufacturer's Serial Number | 14146 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 52 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 210 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SEKMAN AVIATION CORP |
| Street | PO BOX 522192 |
| City | MIAMI |
| State | FL |
| Zip Code | 33152 |
| Region | Southern |
| Certificate Issue Date | 1984-05-24 |
| Last Status | Valid Registration |
| Cancellation Date | 1984-06-11 |
| Exported To | BOLIVIA |
| Mode S Code | 51137235 |
| Mode S Code Hex | A4BE9D |