# N56906: 2004 Quad City Ultralight Acft CHALLENGER II, registration cancelled 2021-08-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 7, 2021
- Status when cancelled: Sale reported, canceled
- Airframe: [Quad City Ultralight Acft CHALLENGER II](https://openairdocs.org/model/quad-city-ultralight-acft-challenger-ii) (registry code 059010Q)
- Engine: [Rotax 582DCDI](https://openairdocs.org/engine/rotax-582dcdi) (registry code 55562)
- Serial number: CH2-0901-2134
- Year built: 2004
- Type of aircraft: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 13, 2008
- Last registry action: November 3, 2020
- Mode S code: A74AD0
- Location: [Harriman, TN](https://openairdocs.org/faa-place/TN/Harriman)
- Owner type: Individual
- Owner's area on the map: 35.9454° N, 84.5164° W: Placed by OpenAirDocs at the center of ZIP code 37748, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N56906
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=56906
- Page: https://openairdocs.org/deregistered/N56906-2021-08-07

From the FAA registry file of October 31, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Quad City Ultralight Acft CHALLENGER II: https://openairdocs.org/model/quad-city-ultralight-acft-challenger-ii.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA20LA312](https://openairdocs.org/ntsb/ERA20LA312), Sep 10, 2020: Quad City Challenger (N56906), Sweetwater, TN, substantial damage, 1 fatal. Probable cause: A loss of control for reasons that could not be determined based on the available information.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20200910014529A](https://openairdocs.org/incident/20200910014529A), Sep 10, 2020: Quad City Ultralight Acft Corp CHALLENGER II (N56906), Niota, TN, Destroyed, 1 fatal. Pilot taxied and went airborne. Flight lasted between 0.5 and 1.0 miles, before N56906 crash landed killing pilot. Flight controls connected and operational.…

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