Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N6891D.
| Tail Number / N-Number | N6891D |
| Manufacturer | BENSEN |
| Model | B-7MC |
| Manufacturer's Serial Number | 58 |
| Aircraft Type | Rotorcraft |
| 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 | 1 engine |
| Average Cruising Speed | 45 miles per hour |
| Type of Registrant | Individual |
| Owner Name | NORMAN M TESCH |
| Street | RR 1 |
| City | LAKEMILLS |
| State | WI |
| Zip Code | 53551 |
| Region | Great Lakes |
| Certificate Issue Date | 1958-07-08 |
| Last Status | Valid Registration |
| Cancellation Date | 1963-05-01 |
| Mode S Code | 52223445 |
| Mode S Code Hex | A92725 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N6891D.
| Tail Number / N-Number | N6891D |
| Manufacturer | PIPER |
| Model | AEROSTAR 602P |
| Manufacturer's Serial Number | 62P08758165012 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-03-30 |
| Mode S Code | 52223445 |
| Mode S Code Hex | A92725 |