| Tail Number / N-Number | N16643 |
| Manufacturer | HILLER |
| Model | UH-12B |
| Year Built | 1952 |
| Manufacturer's Serial Number | 346 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Average Cruising Speed | 63 miles per hour |
| Type of Registrant | LLC |
| Owner Name | ALTITUDE AVIATION SERVICES LLC |
| Street | 6275 OLD HIGHWAY 30 |
| City | MOUNTAIN HOME |
| State | ID |
| Zip Code | 83647-5311 |
| Region | Northwest Mountain |
| County | Elmore County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-01-10 |
| Certificate Issue Date | 2021-08-20 |
| Last Action Date | 2021-08-20 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 50205370 |
| Mode S Code Hex | A10AF8 |