| Tail Number / N-Number | N4085 |
| Manufacturer | FLUG & FAHRZEUGWERKE |
| Model | FFA HBV-DIAMANT 16.5 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 041 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 60 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TOMCZYK GREG |
| Street | 2310 N ENLUND DR UNIT 5 |
| City | PALATINE |
| State | IL |
| Zip Code | 60074-2232 |
| Region | Great Lakes |
| County | Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-04-03 |
| Certificate Issue Date | 2007-08-31 |
| Last Action Date | 2020-12-02 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51146540 |
| Mode S Code Hex | A4CD60 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4085.
| Tail Number / N-Number | N4085 |
| Manufacturer | MOONEY |
| Model | M-18LA |
| Manufacturer's Serial Number | 122 |
| 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 | 103 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MOONEY AIRCRAFT INC |
| Street | 1405 SOUTH OLIVER |
| City | WICHITA |
| State | KS |
| Zip Code | 67202 |
| Region | Central |
| County | Lake County |
| Certificate Issue Date | 1952-09-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1952-12-04 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4085.
| Tail Number / N-Number | N4085 |
| Manufacturer | AMERICAN AIRPLANE & ENGINE |
| Model | PILGRIM FC-2 |
| Year Built | 1928 |
| Manufacturer's Serial Number | 56 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | F & S AIRCRAFT CORP |
| Street | GENERAL DELIVERY FRONT & ROOSEVELT BOULEVARD |
| City | PHILADELPHIA |
| State | PA |
| Zip Code | 19102 |
| Region | Eastern |
| County | Lake County |
| Certificate Issue Date | 1936-12-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1937-12-15 |