| Tail Number / N-Number | N2138M |
| Pending N-Number Change | N280U |
| Manufacturer | CESSNA |
| Model | 172S |
| Year Built | 2003 |
| Manufacturer's Serial Number | 172S9464 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-360-L2A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Government |
| Owner Name | OHIO UNIVERSITY |
| Street | CUTLER HALL 108 |
| City | ATHENS |
| State | OH |
| Zip Code | 45701 |
| Region | Great Lakes |
| County | Athens County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2003-12-23 |
| Certificate Issue Date | 2022-07-30 |
| Last Action Date | 2022-07-30 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50344043 |
| Mode S Code Hex | A1C823 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2138M.
| Tail Number / N-Number | N2138M |
| Manufacturer | PIPER |
| Model | J3C-65 |
| Manufacturer's Serial Number | 20924 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LEE R E |
| County | Athens County |
| Certificate Issue Date | 1946-12-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-07-07 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2138M.
| Tail Number / N-Number | N2138M |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1977 |
| Manufacturer's Serial Number | 28-7890230 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AVIATION SERVICES INTERNATIONAL INC |
| Street | PO BOX 587 |
| City | LOCK HAVEN |
| State | PA |
| Zip Code | 17745 |
| Region | Eastern |
| County | Athens County |
| Country | US |
| Last Status | Valid Registration |
| Cancellation Date | 1978-01-03 |
| Exported To | SWITZERLAND |