Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N90491.
| Tail Number / N-Number | N90491 |
| Manufacturer | HILLER |
| Model | UH-12L4 |
| Manufacturer's Serial Number | 2537 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 80 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | FAIRCHILD HILLER CORP |
| Street | SHOWALTER RD |
| City | HAGERSTOWN |
| State | MD |
| Zip Code | 21740 |
| Region | Eastern |
| Certificate Issue Date | 1966-09-30 |
| Last Status | Valid Registration |
| Cancellation Date | 1967-04-06 |
| Exported To | BOLIVIA |
| Mode S Code | 53100665 |
| Mode S Code Hex | AC81B5 |