| Tail Number / N-Number | N9951 |
| Manufacturer | MAULE |
| Model | MX-7-180C |
| Manufacturer's Serial Number | 28027C |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | WURMBRAND STEPHAN |
| Street | 29 EDWARDS RD |
| City | WESTHAMPTON |
| State | MA |
| Zip Code | 01027-9644 |
| Region | New England |
| County | Hampshire County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2017-08-21 |
| Last Action Date | 2020-06-28 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 53363661 |
| Mode S Code Hex | ADE7B1 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N9951.
| Tail Number / N-Number | N9951 |
| Manufacturer | BENSEN |
| Model | B-8M |
| Manufacturer's Serial Number | 3193M |
| Aircraft Type | Gyroplane |
| 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 | MILLER JAMES S |
| Street | 995 DUNCAN AVE |
| City | CHAMBERSBURG |
| State | PA |
| Zip Code | 17201 |
| Region | Eastern |
| County | Hampshire County |
| Certificate Issue Date | 1968-10-08 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-04-19 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N9951.
| Tail Number / N-Number | N9951 |
| Manufacturer | GREEN A B |
| Model | SUNBEAM JR |
| Manufacturer's Serial Number | 101 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | BOWLBY DICK |
| Street | 1520 N FAIRVIEW |
| City | WHICHITA |
| State | KS |
| Zip Code | 67203 |
| Region | Central |
| County | Hampshire County |
| Last Status | Valid Registration |
| Cancellation Date | 1930-07-18 |