# N8050Q: Hall B/Hain G CHALLENGER II

- Status: Valid registration
- Airframe: [Hall B/Hain G CHALLENGER II](https://openairdocs.org/model/hall-b-hain-g-challenger-ii) (registry code 05615UZ, 2 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: CH2-0603-W-2326
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Quad City Ultralight Acft Corp CHALLENGER II
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 14, 2012
- Certificate issued: September 30, 2023
- Expires: September 30, 2030
- Mode S code: AAF6D7
- Registered owners: [Oswald Merlin W](https://openairdocs.org/faa-owner/OSWALD%20MERLIN%20W), [Oswald Beverly M](https://openairdocs.org/faa-owner/OSWALD%20BEVERLY%20M)
- Location: [Herington, KS](https://openairdocs.org/faa-place/KS/Herington)
- Owner type: Co-owned
- Owner's area on the map: 38.6829° N, 96.8969° W: Placed by OpenAirDocs at the center of ZIP code 67449, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8050Q
- Page: https://openairdocs.org/aircraft/N8050Q

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. The registry lists only the engine series, so ADs for every Rotax 503 model are included.

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

### Matched by airframe (Hall B/Hain G CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N8050Q.

## FAA accident and incident reports

None matched to N8050Q.

## Reports on N8050Q not matched to an aircraft (1)

They name N8050Q, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19810807048319A](https://openairdocs.org/incident/19810807048319A), Aug 7, 1981: Beech 65 (N8050Q), Spirit Lake, IA, Destroyed. Low slow final. Claimed left engine out after switching from main to aux on final. Left prop slash marks on ground

## 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.

## Service difficulty reports on N8050Q not matched to an aircraft (1)

They name N8050Q, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR 97ZZZX3157](https://openairdocs.org/sdr/97ZZZX3157), Jun 25, 1997: ALTERNATOR. FAILED. ALTERNATOR INSTALLED 3-31-97. FAILED 6-24-97. NO OUTPUT. OVERHAULED 2-28-97. SUBMITTER STATED CONTINUE TO GET SHORT SERVICE LIFE FROM AERO ELECTRIC ALTERNATORS.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N8050Q

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8050Q before.

- [Cancelled 1981-11-23](https://openairdocs.org/deregistered/N8050Q-1981-11-23): Cessna 310Q, S/N 310Q0697. Owner: [R & E Aviation Inc](https://openairdocs.org/faa-owner/R%20%26%20E%20AVIATION%20INC), [Minneapolis, MN](https://openairdocs.org/faa-place/MN/Minneapolis)

## Related

- Other Hall B/Hain G CHALLENGER II aircraft: https://openairdocs.org/model/hall-b-hain-g-challenger-ii/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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