# N19BK: 2001 Kelly William B CHALLENGER II

- Status: Valid registration
- Airframe: [Kelly William B CHALLENGER II](https://openairdocs.org/model/kelly-william-b-challenger-ii) (registry code 05612H4, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: CH2-0601-2100
- Year built: 2001
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Quad City Ultralight Acft Corp CHALLENGER II
- Airworthiness: Experimental, amateur built
- Airworthiness date: February 12, 2002
- Certificate issued: January 17, 2013
- Expires: January 31, 2029
- Mode S code: A165F5
- Registered owner: [Cerutti Robert L Jr](https://openairdocs.org/faa-owner/CERUTTI%20ROBERT%20L%20JR)
- Location: [Altoona, WI](https://openairdocs.org/faa-place/WI/Altoona)
- Owner type: Individual
- Owner's area on the map: 44.8050° N, 91.4370° W: Placed by OpenAirDocs at the center of ZIP code 54720, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=19BK
- Page: https://openairdocs.org/aircraft/N19BK

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Kelly William B CHALLENGER II)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N19BK.

## FAA accident and incident reports

None matched to N19BK.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N19BK

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N19BK before.

- [Cancelled 1999-08-16](https://openairdocs.org/deregistered/N19BK-1999-08-16): Beech C90A, S/N LJ1294. Exported to Brazil. Owner: [Dela Corporation](https://openairdocs.org/faa-owner/DELA%20CORPORATION), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)
- [Cancelled 1994-01-27](https://openairdocs.org/deregistered/N19BK-1994-01-27): Koontz William D SONERAI I, S/N 651. Triennial form not returned. Owner: [Koontz William D](https://openairdocs.org/faa-owner/KOONTZ%20WILLIAM%20D), [Jonesboro, AR](https://openairdocs.org/faa-place/AR/Jonesboro)

## Related

- Other Kelly William B CHALLENGER II aircraft: https://openairdocs.org/model/kelly-william-b-challenger-ii/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.