| Tail Number / N-Number | N6580K |
| Manufacturer | KELLEY HERBERT L |
| Model | GYGNET SF-2A |
| Year Built | 1991 |
| Manufacturer's Serial Number | 368 |
| 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 | VOLKSWAGEN |
| Engine Model | CONVERSION |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 36 hp (27 kW) |
| Type of Registrant | Individual |
| Owner Name | PIER MARTIN S |
| Street | 24146 RD 166 |
| City | DEER TRAIL |
| State | CO |
| Zip Code | 80105 |
| Region | Northwest Mountain |
| County | Arapahoe County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1991-06-17 |
| Certificate Issue Date | 2019-07-15 |
| Last Action Date | 2022-06-17 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52126324 |
| Mode S Code Hex | A8ACD4 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N6580K.
| Tail Number / N-Number | N6580K |
| Manufacturer | REPUBLIC |
| Model | RC-3 |
| Manufacturer's Serial Number | 853 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| 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 | 87 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LINE HENRY |
| County | Arapahoe County |
| Certificate Issue Date | 1956-07-06 |
| Last Status | Valid Registration |
| Cancellation Date | 1958-02-26 |
| Exported To | CANADA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N6580K.
| Tail Number / N-Number | N6580K |
| Manufacturer | GRUMMAN ACFT ENG COR-SCHWEIZER |
| Model | G-164B |
| Manufacturer's Serial Number | 378B |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 |
| Average Cruising Speed | 80 miles per hour |
| County | Arapahoe County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1989-04-26 |