| Tail Number / N-Number | N4644Y |
| Manufacturer | PIPER |
| Model | PA-18-150 |
| Year Built | 1971 |
| Manufacturer's Serial Number | 18-8945 |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Government |
| Owner Name | STATE OF MONTANA |
| Other Names |
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| Street | 1420 E 6TH AVE |
| City | HELENA |
| State | MT |
| Zip Code | 59601-3871 |
| Region | Northwest Mountain |
| County | Lewis and Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1971-06-14 |
| Certificate Issue Date | 2006-01-20 |
| Last Action Date | 2022-06-14 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51325562 |
| Mode S Code Hex | A5AB72 |