| Tail Number / N-Number | N1366 |
| Manufacturer | OFICINAS GERAIS DE MATEREAL AR |
| Model | CHIPMUNK MK20 |
| Year Built | 1959 |
| Manufacturer's Serial Number | C1/1366 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | PORT TOWNSEND AERO MUSEUM |
| Street | 105 AIRPORT RD |
| City | PORT TOWNSEND |
| State | WA |
| Zip Code | 98368-9716 |
| Region | Northwest Mountain |
| County | Jefferson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-10-04 |
| Certificate Issue Date | 2018-01-23 |
| Last Action Date | 2021-01-19 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 50112245 |
| Mode S Code Hex | A094A5 |