| Tail Number / N-Number | N21S |
| Manufacturer | SCHWEITZER JEROME |
| Model | RV6 |
| Year Built | 1995 |
| Manufacturer's Serial Number | 22114 |
| 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 | FORD |
| Engine Model | CONVERSION |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 60 hp (45 kW) |
| Type of Registrant | Individual |
| Owner Name | SCHWEITZER JEROME M |
| Street | PO BOX 66 |
| City | BEDFORD |
| State | IA |
| Zip Code | 50833-0066 |
| Region | Central |
| County | Taylor County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1997-08-18 |
| Certificate Issue Date | 2022-08-13 |
| Last Action Date | 2022-08-13 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 50334271 |
| Mode S Code Hex | A1B8B9 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N21S.
| Tail Number / N-Number | N21S |
| Manufacturer | SCHWEITZER JEROME |
| Model | V-6 STOL-S |
| Manufacturer's Serial Number | 1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 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 | SCHWEITZER JEROME M |
| Street | 504 JEFFERSON |
| City | BEDFORD |
| State | IA |
| Zip Code | 50833 |
| County | Taylor County |
| Country | US |
| Certificate Issue Date | 1990-05-11 |
| Last Action Date | 1993-05-19 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1995-02-01 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N21S.
| Tail Number / N-Number | N21S |
| Manufacturer | BEECH |
| Model | H-18S |
| Manufacturer's Serial Number | BA690 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| County | Taylor County |
| Last Status | Administratively canceled |
| Cancellation Date | 1984-08-31 |