| Tail Number / N-Number | N12055 |
| Manufacturer | THORP |
| Model | T-18 |
| Year Built | 1974 |
| Manufacturer's Serial Number | 79 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TWIGG JOHN M |
| Street | 605 ROCKLAND DR |
| City | PITTSBURGH |
| State | PA |
| Zip Code | 15239-2057 |
| Region | Eastern |
| County | Allegheny County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-05-23 |
| Certificate Issue Date | 2016-03-29 |
| Last Action Date | 2022-03-29 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 50053327 |
| Mode S Code Hex | A056D7 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N12055.
| Tail Number / N-Number | N12055 |
| Manufacturer | WAUKEGAN GLIDER CLUB |
| Model | RHON RANGER GLIDER |
| Manufacturer's Serial Number | WGC-1 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | LANGVAD ELMER |
| County | Allegheny County |
| Last Status | Valid Registration |
| Cancellation Date | 1934-08-08 |