Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N90494.
| Tail Number / N-Number | N90494 |
| Manufacturer | HILLER |
| Model | UH-12L4 |
| Year Built | 1966 |
| Manufacturer's Serial Number | 2540 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TI0-541 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Average Cruising Speed | 80 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MOUNTAIN AIR HELICOPTERS INC |
| Street | PO BOX 852 |
| City | ALBANY |
| State | OR |
| Zip Code | 97321 |
| Country | US |
| Airworthiness Classification | Multiple |
| Airworthiness Date | 1973-07-05 |
| Certificate Issue Date | 1974-09-07 |
| Last Action Date | 1997-04-02 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-05-17 |
| Mode S Code | 53100670 |
| Mode S Code Hex | AC81B8 |