| Tail Number / N-Number | N4904 |
| Manufacturer | CIRRUS DESIGN CORP |
| Model | SR22 |
| Year Built | 2008 |
| Manufacturer's Serial Number | 2924 |
| 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 | CONT MOTOR |
| Engine Model | IO-550-N |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Type of Registrant | Individual |
| Owner Name | KNIGHT JASON D |
| Street | 28 SCENIC RIDGE RD S |
| City | ALPINE |
| State | TX |
| Zip Code | 79830-5211 |
| Region | Southwestern |
| County | Brewster County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2008-01-28 |
| Certificate Issue Date | 2022-07-23 |
| Last Action Date | 2022-07-23 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51411374 |
| Mode S Code Hex | A612FC |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4904.
| Tail Number / N-Number | N4904 |
| Manufacturer | FAIRCHILD |
| Model | F-27 |
| Manufacturer's Serial Number | 21 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 61 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 225 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | WIEN AIR ALASKA INC |
| Street | 4100 INTERNATIONAL AIRPORT ROAD |
| City | ANCHORAGE |
| State | AK |
| Zip Code | 99502 |
| Region | Alaskan |
| County | Brewster County |
| Certificate Issue Date | 1974-04-17 |
| Last Status | Valid Registration |
| Cancellation Date | 1976-05-24 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4904.
| Tail Number / N-Number | N4904 |
| Manufacturer | WACO |
| Model | GXE |
| Manufacturer's Serial Number | 1274 |
| 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 | 119 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | SPEAR ROY E & WILLIAM H KEENAN |
| County | Brewster County |
| Last Status | Valid Registration |
| Cancellation Date | 1933-10-23 |