| Tail Number / N-Number | N154MK |
| Manufacturer | KELLEY MICHAEL P |
| Model | SONEX |
| Manufacturer's Serial Number | 1284 |
| 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 | JABIRU |
| Engine Model | 3300 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 120 hp (90 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | KELLEY MICHAEL P |
| Street | 783 PIPER ST |
| City | INDEPENDENCE |
| State | OR |
| Zip Code | 97351-9600 |
| Region | Northwest Mountain |
| County | Polk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-09-07 |
| Certificate Issue Date | 2018-10-31 |
| Last Action Date | 2021-05-21 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 50155050 |
| Mode S Code Hex | A0DA28 |