Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N46991.
| Tail Number / N-Number | N46991 |
| Manufacturer | HILLER |
| Model | OH-23D |
| Manufacturer's Serial Number | 962 |
| 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 | 75 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SAN JOAQUIN HELICOPTERS |
| Street | 1407 S LEXINGTON ST |
| City | DELANO |
| State | CA |
| Zip Code | 93215-9700 |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1983-03-01 |
| Certificate Issue Date | 1981-11-09 |
| Last Action Date | 2009-04-21 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-08-15 |
| Mode S Code | 51337267 |
| Mode S Code Hex | A5BEB7 |