| Tail Number / N-Number | N8490D |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R22 ALPHA |
| Year Built | 1984 |
| Manufacturer's Serial Number | 0403 |
| Aircraft Type | Rotorcraft |
| 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) |
| Type of Registrant | Corporation |
| Owner Name | LITTLE BIG HORN CO |
| Street | 6565 CRYSTAL LN |
| City | PRESCOTT |
| State | AZ |
| Zip Code | 86301-6132 |
| Region | Western-Pacific |
| County | Yavapai County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1984-04-18 |
| Certificate Issue Date | 2004-03-25 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 52721644 |
| Mode S Code Hex | ABA3A4 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N8490D.
| Tail Number / N-Number | N8490D |
| Manufacturer | PIPER |
| Model | PA-22-160 |
| Year Built | 1958 |
| Manufacturer's Serial Number | 22-5717 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 94 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ELQUIST ALAN |
| Street | BOX 412 |
| City | BATTLE MOUNTAIN |
| State | NV |
| Zip Code | 89501 |
| Region | Western-Pacific |
| County | Yavapai County |
| Certificate Issue Date | 1973-03-07 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-05-10 |