| Tail Number / N-Number | N2421M |
| Manufacturer | MERRIN CLAUDE E |
| Model | CH 701 STOL |
| Year Built | 2001 |
| Manufacturer's Serial Number | 7-2078 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Kit Manufacturer | ZENITH ACFT CO |
| Kit Model | STOL CH 701 |
| Type of Registrant | Individual |
| Owner Name | HAARMANN WILLIAM L |
| Street | 8489 COUNTY ROAD 146 |
| City | WILLIAMSBURG |
| State | MO |
| Zip Code | 63388-1313 |
| Region | Central |
| County | Callaway County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2001-06-01 |
| Certificate Issue Date | 2010-03-24 |
| Last Action Date | 2022-05-16 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50434764 |
| Mode S Code Hex | A239F4 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2421M.
| Tail Number / N-Number | N2421M |
| Manufacturer | PIPER |
| Model | PA-23-250 |
| Manufacturer's Serial Number | 277954055 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | COSTA MIGUEL |
| Street | 9370 SW 96 STREET |
| City | MIAMI |
| State | FL |
| Zip Code | 33176 |
| County | Callaway County |
| Country | US |
| Certificate Issue Date | 1987-04-06 |
| Last Action Date | 1993-06-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1993-08-02 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2421M.
| Tail Number / N-Number | N2421M |
| Manufacturer | PIPER |
| Model | PA-12 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 12-1655 |
| 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 | 82 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DON THOMAS |
| Street | ROUTE 2 |
| City | WAKEMAN |
| State | OH |
| Zip Code | 44889 |
| Region | Great Lakes |
| County | Callaway County |
| Certificate Issue Date | 1947-02-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1965-05-21 |