# N186BG: 2025 Scott Ahrens 750 SUPERDUTY

- Status: Valid registration
- Airframe: [Scott Ahrens 750 SUPERDUTY](https://openairdocs.org/model/scott-ahrens-750-superduty) (registry code 0564252, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: SD75-11850
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Zenith Aircraft Co STOL CH 750 SD
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 27, 2025
- Certificate issued: August 15, 2025
- Expires: August 31, 2032
- Mode S code: A15716
- Registered owner: [Ahrens Scott](https://openairdocs.org/faa-owner/AHRENS%20SCOTT)
- Location: [Battle Ground, WA](https://openairdocs.org/faa-place/WA/Battle%20Ground)
- Owner type: Individual
- Owner's area on the map: 45.8058° N, 122.5108° W: Placed by OpenAirDocs at the center of ZIP code 98604, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=186BG
- Page: https://openairdocs.org/aircraft/N186BG

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 (Scott Ahrens 750 SUPERDUTY)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## 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 WPR26LA072](https://openairdocs.org/ntsb/WPR26LA072), Dec 23, 2025: Zenith 750 (N186BG), Yacolt, WA, substantial damage. Probable cause: A loss of engine power for undetermined reasons.

## 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 20251223019739A](https://openairdocs.org/incident/20251223019739A), Dec 23, 2025: Scott Ahrens 750 SUPERDUTY (N186BG), Yacolt, WA, Substantial damage. On December 23, 2025 a commercially rated pilot took off from WA87 at approximately 15:17 PST for another phase one test flight. The aircraft had been refueled…

## 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 N186BG

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N186BG before.

- [Cancelled 1994-08-05](https://openairdocs.org/deregistered/N186BG-1994-08-05): Douglas Brian G B-8M, S/N BD01. Triennial form not returned. Owner: [Douglas Brian G](https://openairdocs.org/faa-owner/DOUGLAS%20BRIAN%20G), [Killeen, TX](https://openairdocs.org/faa-place/TX/Killeen)

## Related

- Other Scott Ahrens 750 SUPERDUTY aircraft: https://openairdocs.org/model/scott-ahrens-750-superduty/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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