| Tail Number / N-Number | N3961 |
| Manufacturer | POTTER |
| Model | PITTS SPECIAL S-1C |
| Year Built | 1974 |
| Manufacturer's Serial Number | 563EP |
| 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 | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Average Cruising Speed | 81 miles per hour |
| Type of Registrant | Individual |
| Owner Name | REGISTRATION PENDING |
| Street | PO BOX 1835 |
| City | WHEAT RIDGE |
| State | CO |
| Zip Code | 80034-1835 |
| Region | Northwest Mountain |
| County | Jefferson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1981-01-19 |
| Last Action Date | 2022-08-09 |
| Status | Registration pending |
| Mode S Code | 51115616 |
| Mode S Code Hex | A49B8E |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3961.
| Tail Number / N-Number | N3961 |
| Manufacturer | WACO |
| Model | GXE |
| Year Built | 1928 |
| Manufacturer's Serial Number | 1119 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TWETEN LUDVIG |
| Street | 710 10TH ST NW |
| City | MINOT |
| State | ND |
| Zip Code | 58703 |
| Region | Great Lakes |
| County | Jefferson County |
| Certificate Issue Date | 1938-04-29 |
| Last Status | Valid Registration |
| Cancellation Date | 1939-05-01 |