# N53457: 2004 Haack Robert E CHALLENGER II

- Status: Valid registration
- Airframe: [Haack Robert E CHALLENGER II](https://openairdocs.org/model/haack-robert-e-challenger-ii) (registry code 056175J, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: CH-2-0304-2454
- Year built: 2004
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Quad City Ultralight Acft Corp CHALLENGER II
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 20, 2005
- Certificate issued: January 14, 2023
- Expires: January 31, 2030
- Mode S code: A6C270
- Registered owner: [Tango Echo Aero LLC](https://openairdocs.org/faa-owner/TANGO%20ECHO%20AERO%20LLC)
- Location: [Holly Lake Ranch, TX](https://openairdocs.org/faa-place/TX/Holly%20Lake%20Ranch)
- Owner type: LLC
- Owner's area on the map: 32.6420° N, 95.2349° W: Placed by OpenAirDocs at the center of ZIP code 75765, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=53457
- Page: https://openairdocs.org/aircraft/N53457

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 (Haack Robert E 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 N53457.

## FAA accident and incident reports

None matched to N53457.

## 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 N53457

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N53457 before.

- [Cancelled 1948-12-02](https://openairdocs.org/deregistered/N53457-1948-12-02): Douglas C-47A, S/N 20105. Owner: [Calvert John](https://openairdocs.org/faa-owner/CALVERT%20JOHN), [Magnolia Park, CA](https://openairdocs.org/faa-place/CA/Magnolia%20Park)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N53457-undated): Cessna 337G, S/N 33701638. N-number assigned, not yet registered

## Related

- Other Haack Robert E CHALLENGER II aircraft: https://openairdocs.org/model/haack-robert-e-challenger-ii/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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