| Tail Number / N-Number | N4043B |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2021 |
| Manufacturer's Serial Number | 14431 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | LLC |
| Owner Name | CROWN POINT HELICOPTER LLC |
| Street | 7860 LEHIGH AVE |
| City | MORTON GROVE |
| State | IL |
| Zip Code | 60053-2707 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-02-10 |
| Certificate Issue Date | 2021-04-06 |
| Last Action Date | 2021-04-06 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51137100 |
| Mode S Code Hex | A4BE40 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4043B.
| Tail Number / N-Number | N4043B |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Year Built | 1979 |
| Manufacturer's Serial Number | 7864 |
| Aircraft Type | Balloon |
| 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 | 63 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ANGUS BONNIE JO DBA |
| Other Names |
|
| Street | 508 GREENUP ST SUITE 1B |
| City | COVINGTON |
| State | KY |
| Zip Code | 41011 |
| County | Cook County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-02-28 |
| Certificate Issue Date | 1985-01-31 |
| Last Action Date | 1991-03-30 |
| Last Status | A second attempt has been made at mailing a Triennial Aircraft Registration form to the owner with no response |
| Cancellation Date | 2008-06-09 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4043B.
| Tail Number / N-Number | N4043B |
| Manufacturer | DEHAVILLAND |
| Model | DHC-6 TWIN OTTER |
| Manufacturer's Serial Number | 13 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 16 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 123 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AIR WISCONSIN INC |
| Street | PO BOX 70 |
| City | APPLETON |
| State | WI |
| Zip Code | 54912 |
| Region | Great Lakes |
| County | Cook County |
| Certificate Issue Date | 1972-02-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1972-11-30 |