| Tail Number / N-Number | N91KS |
| Manufacturer | SPREUER KEITH |
| Model | COZY MK IV |
| Year Built | 2004 |
| Manufacturer's Serial Number | 0018 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | SUBARU |
| Engine Model | ALL MDLS A/B |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 400 hp (298 kW) |
| Type of Registrant | Individual |
| Owner Name | SPREUER KEITH R |
| Street | 1811 SHORT LINE LN |
| City | PRESCOTT |
| State | AZ |
| Zip Code | 86301-5501 |
| Region | Western-Pacific |
| County | Yavapai County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2004-08-23 |
| Certificate Issue Date | 1998-02-13 |
| Last Action Date | 2022-04-12 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 53112504 |
| Mode S Code Hex | AC9544 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N91KS.
| Tail Number / N-Number | N91KS |
| Manufacturer | DENNEY L DAN |
| Model | KITFOX IV |
| Manufacturer's Serial Number | 1515 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | SKYSTAR AIRCRAFT CORP |
| Street | 100 N KINGS RD |
| City | NAMPA |
| State | ID |
| Zip Code | 83687 |
| County | Yavapai County |
| Country | US |
| Certificate Issue Date | 1992-09-10 |
| Last Action Date | 1995-08-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1995-08-30 |
| Exported To | JAPAN |