| Tail Number / N-Number | N1421M |
| Manufacturer | CESSNA |
| Model | 421C |
| Year Built | 1976 |
| Manufacturer's Serial Number | 421C0106 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | GTSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MCCULLOCH KURT D |
| Street | 4048 WHISPERING PINE LOOP |
| City | RENO |
| State | NV |
| Zip Code | 89519-0625 |
| Region | Western-Pacific |
| County | Washoe County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1994-12-15 |
| Certificate Issue Date | 2021-09-14 |
| Last Action Date | 2021-09-14 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50126245 |
| Mode S Code Hex | A0ACA5 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1421M.
| Tail Number / N-Number | N1421M |
| Manufacturer | BOEING |
| Model | A75L300 |
| Manufacturer's Serial Number | 75-8590 |
| 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 | 93 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GOLE MAURICE J |
| Street | PO BOX 278 |
| City | LULA |
| State | MS |
| Zip Code | 38644 |
| Region | Southwestern |
| County | Washoe County |
| Certificate Issue Date | 1952-05-21 |
| Last Status | Valid Registration |
| Cancellation Date | 1964-11-24 |