Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N521NA.
| Tail Number / N-Number | N521NA |
| Manufacturer | AIR |
| Model | ATR72 |
| Manufacturer's Serial Number | 521 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 76 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | WELLS FARGO BANK NORTHWEST NA TRUSTEE |
| Street | 299 S MAIN ST FL 12 MAC U1228-120 |
| City | SALT LAKE CITY |
| State | UT |
| Zip Code | 84111-2580 |
| Country | US |
| Certificate Issue Date | 2011-09-21 |
| Last Action Date | 2011-09-21 |
| Last Status | Valid Registration |
| Cancellation Date | 2012-02-15 |
| Exported To | COLOMBIA |
| Mode S Code | 51506722 |
| Mode S Code Hex | A68DD2 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N521NA.
| Tail Number / N-Number | N521NA |
| Manufacturer | HAWKER SIDDELEY |
| Model | XV-6A |
| Manufacturer's Serial Number | 6418263 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | 187 miles per hour |
| Type of Registrant | Government |
| Owner Name | NASA LANGLEY RESEARCH CENTER |
| Street | LANGLEY RSCH CNTR FMTD MS 255 |
| City | HAMPTON |
| State | VA |
| Zip Code | 23365 |
| Region | Eastern |
| Certificate Issue Date | 1971-02-25 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-07-31 |
| Mode S Code | 51506722 |
| Mode S Code Hex | A68DD2 |