| Tail Number / N-Number | N2421B |
| Manufacturer | KLEBS EARL M |
| Model | ZENITH 701 STOL |
| Manufacturer's Serial Number | 7-4619 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Kit Manufacturer | ZENITH ACFT CO |
| Kit Model | STOL |
| Type of Registrant | Individual |
| Owner Name | HAUFF DELMAR M |
| Street | 11777 US HIGHWAY 385 |
| City | JULESBURG |
| State | CO |
| Zip Code | 80737-9443 |
| Region | Northwest Mountain |
| County | Sedgwick County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2004-11-17 |
| Certificate Issue Date | 2019-05-08 |
| Last Action Date | 2021-12-14 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 50434752 |
| Mode S Code Hex | A239EA |
Deregistered Aircraft 1 of 3. This aircraft was previously assigned the N-number N2421B.
| Tail Number / N-Number | N2421B |
| Manufacturer | BELL |
| Model | 206-L4 |
| Manufacturer's Serial Number | 52248 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | BELL HELICOPTER TEXTRON INC |
| Street | PO BOX 482 |
| City | FORT WORTH |
| State | TX |
| Zip Code | 76101-0482 |
| County | Sedgwick County |
| Country | US |
| Certificate Issue Date | 2000-09-01 |
| Last Action Date | 2000-09-01 |
| Last Status | Valid Registration |
| Cancellation Date | 2000-09-19 |
| Exported To | MEXICO |
Deregistered Aircraft 2 of 3. This aircraft was previously assigned the N-number N2421B.
| Tail Number / N-Number | N2421B |
| Manufacturer | TEMCO |
| Model | GC-1B |
| Manufacturer's Serial Number | 3721 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | ELLING JAMES E / LENHART RICHARD R |
| Street | BOX 6 |
| City | CASHION |
| State | OK |
| Zip Code | 73016 |
| Region | Southwestern |
| County | Sedgwick County |
| Certificate Issue Date | 1967-11-20 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-07-13 |
Deregistered Aircraft 3 of 3. This aircraft was previously assigned the N-number N2421B.
| Tail Number / N-Number | N2421B |
| Manufacturer | PIPER |
| Model | PA-38-112 |
| Manufacturer's Serial Number | 3879A0055 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 |
| Average Cruising Speed | 183 miles per hour |
| County | Sedgwick County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |