| Tail Number / N-Number | N18423 |
| Manufacturer | STINSON |
| Model | SR-9C |
| Year Built | 1937 |
| Manufacturer's Serial Number | 5321 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | R680 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 215 hp (160 kW) |
| Average Cruising Speed | 123 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | STOECKLEIN EDMUND H |
| Other Names |
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| Street | 26910 92ND AVE NW STE C5 PMB 510 |
| City | STANWOOD |
| State | WA |
| Zip Code | 98292-5437 |
| Region | Northwest Mountain |
| County | Snohomish County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-04-20 |
| Certificate Issue Date | 2020-10-21 |
| Last Action Date | 2020-10-21 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 50251102 |
| Mode S Code Hex | A15242 |