Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N257Q.
| Tail Number / N-Number | N257Q |
| Manufacturer | ENSTROM |
| Model | F-28A |
| Year Built | 1975 |
| Manufacturer's Serial Number | 292 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | M & M MINING INC |
| Street | R D 1 |
| City | CARROLLTOWN |
| State | PA |
| Zip Code | 15722 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-05-30 |
| Certificate Issue Date | 1977-12-13 |
| Last Action Date | 2007-06-07 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2014-09-22 |
| Mode S Code | 50471335 |
| Mode S Code Hex | A272DD |