| Tail Number / N-Number | N509MM |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2021 |
| Manufacturer's Serial Number | 14499 |
| 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 | IO-540-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Individual |
| Owner Name | REGISTRATION PENDING |
| Street | 7090 N WAHLUKE RD |
| City | OTHELLO |
| State | WA |
| Zip Code | 99344-9388 |
| Region | Northwest Mountain |
| County | Adams County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-11-11 |
| Last Action Date | 2022-07-15 |
| Status | Registration pending |
| Mode S Code | 51456176 |
| Mode S Code Hex | A65C7E |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N509MM.
| Tail Number / N-Number | N509MM |
| Manufacturer | BOMBARDIER INC |
| Model | CL-600-2B16 |
| Year Built | 2015 |
| Manufacturer's Serial Number | 5975 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 22 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | GE |
| Engine Model | CF34-3B |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 9,220 pounds-force (41.0 kN) |
| Total Thrust | 18,440 pounds-force (82.0 kN) |
| Type of Registrant | Corporation |
| Owner Name | BANK OF UTAH TRUSTEE |
| Street | 200 E SOUTH TEMPLE STE 210 |
| City | SALT LAKE CITY |
| State | UT |
| Zip Code | 84111-1346 |
| County | Adams County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2015-06-25 |
| Certificate Issue Date | 2015-10-27 |
| Last Action Date | 2015-10-27 |
| Last Status | Valid Registration |
| Cancellation Date | 2015-12-09 |
| Exported To | SAN MARINO |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N509MM.
| Tail Number / N-Number | N509MM |
| Manufacturer | BRITISH AEROSPACE |
| Model | AVRO-146RJ100A |
| Manufacturer's Serial Number | E3248 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 70 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Type of Registrant | Corporation |
| Owner Name | FIRST SECURITY BANK NA TRUSTEE |
| Street | 79 SOUTH MAIN STREET |
| City | SALT LAKE CITY |
| State | UT |
| Zip Code | 84111 |
| County | Adams County |
| Country | US |
| Certificate Issue Date | 1994-09-28 |
| Last Action Date | 1999-12-14 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2001-03-27 |
| Exported To | SWEDEN |