# N146BH: 2014 Bruce Hirschl Charnov LW-3SR

- Status: Valid registration
- Airframe: [Bruce Hirschl Charnov LW-3SR](https://openairdocs.org/model/bruce-hirschl-charnov-lw-3sr) (registry code 05633FQ, 1 seats)
- Engine: [Pratt & Whitney R-2800 series](https://openairdocs.org/engine/pratt-whitney-r-2800-series) (registry code 52026)
- Serial number: LW3SR-2
- Year built: 2014
- Type: Rotorcraft
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 4, 2014
- Certificate issued: May 9, 2017
- Expires: May 31, 2027
- Mode S code: A0B91B
- Registered owner: [Schwerin Michael F](https://openairdocs.org/faa-owner/SCHWERIN%20MICHAEL%20F)
- Location: [Steamboat Springs, CO](https://openairdocs.org/faa-place/CO/Steamboat%20Springs)
- Owner type: Individual
- Owner's area on the map: 40.5814° N, 106.8860° W: Placed by OpenAirDocs at the center of ZIP code 80487, within about 16 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=146BH
- Page: https://openairdocs.org/aircraft/N146BH

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 Pratt & Whitney R-2800 model are included.

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

### Matched by airframe (Bruce Hirschl Charnov LW-3SR)

None in force.

### Matched by engine (Pratt & Whitney R-2800 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N146BH.

## FAA accident and incident reports

None matched to N146BH.

## 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 N146BH

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N146BH before.

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N146BH-undated): S N I A S AS350D ASTAR, S/N 1271. N-number assigned, not yet registered

## Related

- Other Bruce Hirschl Charnov LW-3SR aircraft: https://openairdocs.org/model/bruce-hirschl-charnov-lw-3sr/aircraft.md
- The Pratt & Whitney R-2800 series engine: https://openairdocs.org/engine/pratt-whitney-r-2800-series.md

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