| Tail Number / N-Number | N1940K |
| Manufacturer | DEFORD ROBERT |
| Model | MK-1X |
| Year Built | 2003 |
| Manufacturer's Serial Number | MK9EX |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | DEFORD ROBERT E |
| Street | 2161 RESORT WAY N APT B |
| City | PRESCOTT |
| State | AZ |
| Zip Code | 86301-6115 |
| Region | Western-Pacific |
| County | Yavapai County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-07-08 |
| Certificate Issue Date | 2000-09-14 |
| Last Action Date | 2020-12-20 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 50274551 |
| Mode S Code Hex | A17969 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1940K.
| Tail Number / N-Number | N1940K |
| Manufacturer | LUSCOMBE |
| Model | 8E |
| Manufacturer's Serial Number | 4667 |
| 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 | 86 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AIRCRAFT SERVICE CO |
| Street | PO BOX 829 BRADLEY FIELD |
| City | BOISE |
| State | ID |
| Zip Code | 83701 |
| Region | Northwest Mountain |
| County | Yavapai County |
| Certificate Issue Date | 1948-02-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1949-06-16 |