| Tail Number / N-Number | N137AK |
| Manufacturer | KEATING |
| Model | MINI-COUPE |
| Manufacturer's Serial Number | MC-131 |
| Aircraft Type | Fixed wing single engine |
| 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) |
| Engine Manufacturer | VOLKSWAGEN |
| Engine Model | CONVERSION |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 36 hp (27 kW) |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MCPEEK ISAAC S |
| Street | 906 BOND AVE |
| City | BARNESVILLE |
| State | OH |
| Zip Code | 43713-1103 |
| Region | Great Lakes |
| County | Belmont County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1977-12-23 |
| Certificate Issue Date | 2019-03-11 |
| Last Action Date | 2021-12-13 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 50112474 |
| Mode S Code Hex | A0953C |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N137AK.
| Tail Number / N-Number | N137AK |
| Manufacturer | KILIAN ALAN |
| Model | CHALLENGER II |
| Manufacturer's Serial Number | CH2-1000-2020 |
| 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) |
| Number of Engines | 1 engine |
| Kit Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Kit Model | CHALLENGER II |
| County | Belmont County |
| Last Action Date | 2003-05-01 |
| Last Status | N-Number assigned as a Non Type Certificated (Amateur) but has not been registered that is pending cancellation |
| Cancellation Date | 2011-06-18 |