Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2057B.
| Tail Number / N-Number | N2057B |
| Manufacturer | BOEING COMPANY |
| Model | CH47-414 |
| Manufacturer's Serial Number | M4026 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 47 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | BOEING HELICOPTER COMPANY |
| Street | POB 16858 MS-P60-45 ATN NJ POLINI |
| City | PHILADELPHIA |
| State | PA |
| Zip Code | 19142 |
| Country | US |
| Certificate Issue Date | 1990-12-27 |
| Last Action Date | 1990-12-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1991-07-23 |
| Exported To | THAILAND |
| Mode S Code | 50323745 |
| Mode S Code Hex | A1A7E5 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2057B.
| Tail Number / N-Number | N2057B |
| Manufacturer | WATROUS MITCHELL L JR |
| Model | CHALLENGER 2 PLACE |
| Year Built | 1994 |
| Manufacturer's Serial Number | 0867 |
| 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) |
| Engine Manufacturer | ROTAX |
| Engine Model | SEE BOMBADIER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | 1882 JC PROPST ST |
| City | MORGANTON |
| State | NC |
| Zip Code | 28655-8605 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1994-12-12 |
| Last Action Date | 1998-03-09 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2013-08-22 |
| Mode S Code | 50323745 |
| Mode S Code Hex | A1A7E5 |