| Tail Number / N-Number | N4437W |
| Manufacturer | PIPER AIRCRAFT INC |
| Model | PA-28R-201 |
| Year Built | 2015 |
| Manufacturer's Serial Number | 2844157 |
| Aircraft Type | Fixed wing single engine |
| 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-360-C1C6 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | LLC |
| Owner Name | ALF IX LLC |
| Street | C/O RESIDCO 70 W MADISON ST STE 2200 |
| City | CHICAGO |
| State | IL |
| Zip Code | 60602-4383 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2015-08-21 |
| Certificate Issue Date | 2022-11-03 |
| Last Action Date | 2022-11-03 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51254444 |
| Mode S Code Hex | A55924 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4437W.
| Tail Number / N-Number | N4437W |
| Manufacturer | WEMMERING FRED A JR |
| Model | QUICKIE Q2 |
| Manufacturer's Serial Number | Q2296 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | WEMMERING FRED A JR |
| Street | 5317 MARYLAND DR |
| City | FAYETTEVILLE |
| State | NC |
| Zip Code | 28311 |
| County | Cook County |
| Country | US |
| Certificate Issue Date | 1983-11-05 |
| Last Action Date | 2000-07-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2001-03-01 |