| Tail Number / N-Number | N4349 |
| Manufacturer | NICHOLAS H KNOBIL |
| Model | KNOBIL-SOPWITH F.1 |
| Year Built | 2022 |
| Manufacturer's Serial Number | 4349 |
| Aircraft Type | Fixed wing single engine |
| 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) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Kit Manufacturer | AIRDROME AEROPLANES LLC |
| Kit Model | SOPWITH F.1 |
| Type of Registrant | Individual |
| Owner Name | KNOBIL NICHOLAS H |
| Street | 463 RIDGE RD |
| City | BOWDOINHAM |
| State | ME |
| Zip Code | 04008-5203 |
| Region | New England |
| County | Sagadahoc County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-05-20 |
| Certificate Issue Date | 2022-05-17 |
| Last Action Date | 2022-05-17 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 51232615 |
| Mode S Code Hex | A5358D |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4349.
| Tail Number / N-Number | N4349 |
| Manufacturer | KNEPPER |
| Model | BENSEN GYRO-COPTER |
| Year Built | 1970 |
| Manufacturer's Serial Number | 1 |
| 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 | SALE REPORTED |
| Street | P. O. BOX 25082 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73125 |
| County | Sagadahoc County |
| Country | US |
| Last Action Date | 1977-01-14 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2012-11-09 |