| Tail Number / N-Number | N53003 |
| Manufacturer | RYAN AERONAUTICAL |
| Model | ST3KR |
| Year Built | 1942 |
| Manufacturer's Serial Number | 1824 |
| 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) |
| Engine Manufacturer | KINNER |
| Engine Model | R5 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 160 hp (119 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | COUTCHES ROBERT H DBA |
| Other Names |
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| Street | 550 AIRWAY BLVD |
| City | LIVERMORE |
| State | CA |
| Zip Code | 94551-9533 |
| Region | Western-Pacific |
| County | Alameda County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2014-01-21 |
| Last Action Date | 2022-11-07 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51531341 |
| Mode S Code Hex | A6B2E1 |