Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3996X.
| Tail Number / N-Number | N3996X |
| Manufacturer | PIPER |
| Model | PA-28-140 |
| Year Built | 1975 |
| Manufacturer's Serial Number | 28-7625007 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 107 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | EIDE PAUL E ET AL |
| Street | 2006 N 4TH ST |
| City | BISMARCK |
| State | ND |
| Zip Code | 58501 |
| Region | Great Lakes |
| Certificate Issue Date | 1979-11-06 |
| Last Status | Valid Registration |
| Cancellation Date | 1983-03-03 |
| Exported To | CANADA |
| Mode S Code | 51123570 |
| Mode S Code Hex | A4A778 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3996X.
| Tail Number / N-Number | N3996X |
| Manufacturer | JACKMAN DON |
| Model | SCANLAN SG-1A GLIDER |
| Manufacturer's Serial Number | 002 |
| Aircraft Type | Glider |
| 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 | 0 engines |
| Last Action Date | 1983-06-04 |
| Last Status | N-Number assigned, has not been registered and is pending cancellation |
| Cancellation Date | 2011-04-19 |
| Mode S Code | 51123570 |
| Mode S Code Hex | A4A778 |