| Tail Number / N-Number | N1FN |
| Manufacturer | ROBINSON JAMES |
| Model | VANS ACFT RV-4 |
| Year Built | 1999 |
| Manufacturer's Serial Number | 1222 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-4 |
| Type of Registrant | LLC |
| Owner Name | SGL AERO LLC |
| Street | PO BOX 2797 |
| City | ALPINE |
| State | WY |
| Zip Code | 83128-2606 |
| Region | Northwest Mountain |
| County | Lincoln County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2000-02-05 |
| Certificate Issue Date | 2022-12-01 |
| Last Action Date | 2022-12-03 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 50000214 |
| Mode S Code Hex | A0008C |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1FN.
| Tail Number / N-Number | N1FN |
| Manufacturer | DOUGLAS |
| Model | DC3-G202A |
| Manufacturer's Serial Number | 11685 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 32 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 158 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | K&K AIRCRAFT INC |
| Street | PO BOX 7 |
| City | BRIDGEWATER |
| State | VA |
| Zip Code | 22812 |
| County | Lincoln County |
| Country | US |
| Certificate Issue Date | 1986-09-10 |
| Last Action Date | 1992-02-24 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1992-03-23 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1FN.
| Tail Number / N-Number | N1FN |
| Manufacturer | BEECH |
| Model | E18S |
| Manufacturer's Serial Number | BA52 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 165 miles per hour |
| County | Lincoln County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1988-04-04 |