| Tail Number / N-Number | N1877N |
| Manufacturer | CESSNA |
| Model | 120 |
| Year Built | 1946 |
| Manufacturer's Serial Number | 12121 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ONYON DAVID W |
| Street | PO BOX 264 |
| City | TOWNSHEND |
| State | VT |
| Zip Code | 05353-0264 |
| Region | New England |
| County | Windham County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-02-08 |
| Certificate Issue Date | 2012-05-04 |
| Last Action Date | 2021-01-28 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 50257007 |
| Mode S Code Hex | A15E07 |