| Tail Number / N-Number | N4103M |
| Manufacturer | PIPER |
| Model | PA-12 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 12-3000 |
| Aircraft Type | Fixed wing single engine |
| 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 | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Average Cruising Speed | 82 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MILLS AIR SERVICE INC |
| Street | 1000 RACE LN |
| City | MARSTONS MILLS |
| State | MA |
| Zip Code | 02648-1101 |
| Region | New England |
| County | Barnstable County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-08-11 |
| Certificate Issue Date | 2015-11-20 |
| Last Action Date | 2021-07-01 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 51153355 |
| Mode S Code Hex | A4D6ED |