| Tail Number / N-Number | N501MM |
| Type of Reservation | N-Number change is in process |
| Reserving Party Name | N501MM LLC |
| Street | 9600 ROWLETT DR |
| City | NORTH LITTLE ROCK |
| State | AR |
| Zip Code | 72113-6593 |
| Date Reserved | 2022-05-05 |
| Changing from N-Number | N770MR |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N501MM.
| Tail Number / N-Number | N501MM |
| Manufacturer | HUGHES |
| Model | OH-6A |
| Year Built | 1967 |
| Manufacturer's Serial Number | 67-16464 |
| 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 | ALLISON |
| Engine Model | T63 SERIES |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Type of Registrant | Partnership |
| Owner Name | M & M HELO FAMILY LIMITED PARTNERSHIP |
| Street | 104 DUTCHMAN LN |
| City | ASHEVILLE |
| State | NC |
| Zip Code | 28803-8673 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-01-09 |
| Certificate Issue Date | 2003-04-23 |
| Last Action Date | 2003-07-24 |
| Last Status | Valid Registration |
| Cancellation Date | 2005-12-15 |
| Exported To | VENEZUELA |