| Tail Number / N-Number | N985S |
| Manufacturer | BEECH |
| Model | G18S |
| Year Built | 1959 |
| Manufacturer's Serial Number | BA-476 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 450 hp (336 kW) |
| Total Horsepower | 900 hp (671 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Individual |
| Owner Name | JOHNSTON THOMAS |
| Street | 6273 E MOUNTAIN GOAT CIR |
| City | WASILLA |
| State | AK |
| Zip Code | 99654-9334 |
| Region | Alaskan |
| County | Matanuska-Susitna Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1959-11-24 |
| Certificate Issue Date | 2019-05-01 |
| Last Action Date | 2022-03-10 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 53337507 |
| Mode S Code Hex | ADBF47 |