| Tail Number / N-Number | N781WB |
| Manufacturer | MOONEY AIRPLANE CO INC |
| Model | M20TN |
| Year Built | 2008 |
| Manufacturer's Serial Number | 31-0085 |
| 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 | CONT MOTOR |
| Engine Model | TSIO-550-G |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 280 hp (209 kW) |
| Type of Registrant | LLC |
| Owner Name | COPLEY SQUARE AIR LLC |
| Street | 6 HARRINGTON LN |
| City | WESTON |
| State | MA |
| Zip Code | 02493-1355 |
| Region | New England |
| County | Middlesex County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2008-09-16 |
| Certificate Issue Date | 2009-09-15 |
| Last Action Date | 2020-12-20 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 52513063 |
| Mode S Code Hex | AA9633 |