| Tail Number / N-Number | N33MM |
| Manufacturer | CIRRUS DESIGN CORP |
| Model | SF50 |
| Year Built | 2022 |
| Manufacturer's Serial Number | 0387 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WILLIAMS |
| Engine Model | FJ33-5A |
| Engine Type | Turbo-fan |
| Number of Engines | 1 engine |
| Thrust | 2,000 pounds-force (8.9 kN) |
| Type of Registrant | LLC |
| Owner Name | N33MM LLC |
| Street | 801 PRESTON AVE |
| City | BLACKSBURG |
| State | VA |
| Zip Code | 24060-5137 |
| Region | Eastern |
| County | Montgomery County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2022-09-23 |
| Certificate Issue Date | 2022-12-23 |
| Last Action Date | 2022-12-23 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 50712225 |
| Mode S Code Hex | A39495 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N33MM.
| Tail Number / N-Number | N33MM |
| Manufacturer | MCKELVEY MONTY |
| Model | STEEN SKYBOLT |
| Year Built | 1998 |
| Manufacturer's Serial Number | 500 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-540 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Type of Registrant | Individual |
| Owner Name | MCKELVEY MONTY K |
| Street | 7097 RIATA DR |
| City | REDDING |
| State | CA |
| Zip Code | 96002-9727 |
| County | Montgomery County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1998-03-17 |
| Certificate Issue Date | 1998-03-02 |
| Last Action Date | 2007-03-09 |
| Last Status | Third Notice for Re-Registration/Renewal |
| Cancellation Date | 2016-07-29 |