| Tail Number / N-Number | N146TM |
| Manufacturer | PIPER |
| Model | J3C-65 |
| Year Built | 1946 |
| Manufacturer's Serial Number | 22915 |
| 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 | A&C75 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 75 hp (56 kW) |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | LLC |
| Owner Name | TWEETYBIRD LLC |
| Street | 4033 COFFEY LN |
| City | SANTA ROSA |
| State | CA |
| Zip Code | 95403-1619 |
| Region | Western-Pacific |
| County | Sonoma County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1996-04-02 |
| Certificate Issue Date | 2014-05-19 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 50135257 |
| Mode S Code Hex | A0BAAF |