| Tail Number / N-Number | N4581N |
| Manufacturer | BOEING |
| Model | E75 |
| Year Built | 1942 |
| Manufacturer's Serial Number | 75-7036 |
| 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 | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | LLC |
| Owner Name | N84DT LLC |
| Street | 124 W PINE ST |
| City | MISSOULA |
| State | MT |
| Zip Code | 59802-4222 |
| Region | Northwest Mountain |
| County | Missoula County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1991-05-16 |
| Certificate Issue Date | 2014-05-21 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51311134 |
| Mode S Code Hex | A5925C |