# N171DP: 1994 Quad City Ultralight Acft CHALLENGER I, registration cancelled 2015-05-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 20, 2015
- Status when cancelled: Sale reported, canceled
- Airframe: [Quad City Ultralight Acft CHALLENGER I](https://openairdocs.org/model/quad-city-ultralight-acft-challenger-i) (registry code 05901S5)
- Engine: [Rotax 503DCSI](https://openairdocs.org/engine/rotax-503dcsi) (registry code 55567)
- Serial number: 0994-0505
- Year built: 1994
- Type of aircraft: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 10, 2008
- Last registry action: May 15, 2013
- Mode S code: A11D3D
- Location: [Baytown, TX](https://openairdocs.org/faa-place/TX/Baytown)
- Owner type: Individual
- Owner's area on the map: 29.7663° N, 94.8658° W: Placed by OpenAirDocs at the center of ZIP code 77523, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N171DP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=171DP
- Page: https://openairdocs.org/deregistered/N171DP-2015-05-20

From the FAA registry file of October 29, 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 I: https://openairdocs.org/model/quad-city-ultralight-acft-challenger-i.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 CEN13LA227](https://openairdocs.org/ntsb/CEN13LA227), Apr 14, 2013: Quad City Ultralight Acft Challenger I (N171DP), Winnie, TX, substantial damage. Probable cause: The noncertificated pilot’s failure to maintain airplane control during takeoff due to his fixation on the instrument panel.

## 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 20130414012499A](https://openairdocs.org/incident/20130414012499A), Apr 14, 2013: Quad City Ultralight Acft Corp CHALLENGER I (N171DP), Winnie, TX, Destroyed. The pilot had just bought a new aircraft, which was registered in the light sport category. The pilot did not hold a sport pilot certificate; however he did…

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