| Tail Number / N-Number | N421CS |
| Manufacturer | TEXTRON AVIATION INC |
| Model | 182T |
| Year Built | 2021 |
| Manufacturer's Serial Number | 18283121 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540-AB1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Type of Registrant | LLC |
| Owner Name | CROWBAR ENTERPRISES LLC |
| Street | PO BOX 1537 |
| City | INOLA |
| State | OK |
| Zip Code | 74036-1537 |
| Region | Southwestern |
| County | Rogers County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-01-25 |
| Certificate Issue Date | 2022-10-21 |
| Last Action Date | 2022-10-21 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51177631 |
| Mode S Code Hex | A4FF99 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N421CS.
| Tail Number / N-Number | N421CS |
| Manufacturer | DIAMOND AIRCRAFT IND GMBH |
| Model | DA42MNG |
| Year Built | 2012 |
| Manufacturer's Serial Number | 42.MN023 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AUSTRO |
| Engine Model | E4 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 168 hp (125 kW) |
| Total Horsepower | 336 hp (251 kW) |
| Type of Registrant | Corporation |
| Owner Name | COMBINED AIR VENTURES LLC |
| Street | PO BOX 1260 |
| City | BELGRADE |
| State | MT |
| Zip Code | 59714-1260 |
| County | Rogers County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2012-10-17 |
| Certificate Issue Date | 2013-05-23 |
| Last Action Date | 2013-05-23 |
| Last Status | Valid Registration |
| Cancellation Date | 2013-07-23 |
| Exported To | CANADA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N421CS.
| Tail Number / N-Number | N421CS |
| Manufacturer | CESSNA |
| Model | 421B |
| Year Built | 1970 |
| Manufacturer's Serial Number | 421B0024 |
| 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-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 340 hp (254 kW) |
| Total Horsepower | 680 hp (507 kW) |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | PO BOX 12 |
| City | KIDRON |
| State | OH |
| Zip Code | 44636-0012 |
| County | Rogers County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1970-07-24 |
| Last Action Date | 2008-08-08 |
| Last Status | Sale reported |
| Cancellation Date | 2008-09-11 |