| Tail Number / N-Number | N491SA |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2009 |
| Manufacturer's Serial Number | 12831 |
| Aircraft Type | Rotorcraft |
| 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-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Corporation |
| Owner Name | SHIER AVIATION CORP DBA |
| Other Names |
|
| Street | 3753 JOHN J MONTGOMERY DR STE 2 |
| City | SAN DIEGO |
| State | CA |
| Zip Code | 92123-1712 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-06-16 |
| Certificate Issue Date | 2009-07-10 |
| Last Action Date | 2020-05-18 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51412540 |
| Mode S Code Hex | A61560 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N491SA.
| Tail Number / N-Number | N491SA |
| Manufacturer | DOUGLAS |
| Model | DC9-15 |
| Year Built | 1966 |
| Manufacturer's Serial Number | 45799 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 85 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | JT8D-1 |
| Engine Type | Turbo-jet |
| Number of Engines | 2 engines |
| Thrust per Engine | 14,000 pounds-force (62.3 kN) |
| Total Thrust | 28,000 pounds-force (124.6 kN) |
| Average Cruising Speed | 315 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CAPITAL AIRCRAFT INC |
| Street | 900 CAPITAL AIRPORT DR |
| City | SPRINGFIELD |
| State | IL |
| Zip Code | 62707-8407 |
| County | San Diego County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-11-29 |
| Certificate Issue Date | 1999-08-23 |
| Last Action Date | 2002-08-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2005-06-02 |
| Exported To | SOUTH AFRICA |