| Tail Number / N-Number | N99090 |
| Manufacturer | HILLER |
| Model | UH-12E |
| Year Built | 1962 |
| Manufacturer's Serial Number | 1395 |
| 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 | VO-540 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Average Cruising Speed | 72 miles per hour |
| Type of Registrant | LLC |
| Owner Name | YELLOWJACKET AVIATION LLC |
| Street | 291 STEINBACH RD |
| City | WENATCHEE |
| State | WA |
| Zip Code | 98801-9720 |
| Region | Northwest Mountain |
| County | Chelan County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1996-06-28 |
| Certificate Issue Date | 2018-01-08 |
| Last Action Date | 2020-08-15 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 53353117 |
| Mode S Code Hex | ADD64F |