| Tail Number / N-Number | N1277X |
| Manufacturer | MOONEY |
| Model | M20E |
| Year Built | 1963 |
| Manufacturer's Serial Number | 150 |
| Aircraft Type | Fixed wing single engine |
| 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 | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | LLC |
| Owner Name | DUKE CITY MOONEY LLC |
| Street | PO BOX 150481 |
| City | LAKEWOOD |
| State | CO |
| Zip Code | 80215-0481 |
| Region | Northwest Mountain |
| County | Denver County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1963-10-15 |
| Certificate Issue Date | 2009-03-04 |
| Last Action Date | 2022-08-14 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50070426 |
| Mode S Code Hex | A07116 |