# N64606: Vertol H21B

- Status: Valid registration
- Airframe: [Vertol H21B](https://openairdocs.org/model/vertol-h21b) (registry code 9420106, 21 seats)
- Engine: [Wright R-1820 series](https://openairdocs.org/engine/wright-r-1820-series) (registry code 67020)
- Serial number: 54-4001
- Type: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: August 10, 1992
- Certificate issued: December 15, 2021
- Expires: December 31, 2028
- Mode S code: A87DFC
- Registered owner: [Classic Rotors Museum](https://openairdocs.org/faa-owner/CLASSIC%20ROTORS%20MUSEUM)
- Location: [Ramona, CA](https://openairdocs.org/faa-place/CA/Ramona)
- Owner type: Corporation
- Owner's area on the map: 33.0404° N, 116.8301° W: Placed by OpenAirDocs at the center of ZIP code 92065, 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=64606
- Page: https://openairdocs.org/aircraft/N64606

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 Wright R-1820 model are included.

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

### Matched by airframe (Vertol H21B)

None in force.

### Matched by engine (Wright R-1820 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N64606.

## FAA accident and incident reports

None matched to N64606.

## 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.

## Related

- Other Vertol H21B aircraft: https://openairdocs.org/model/vertol-h21b/aircraft.md
- The Wright R-1820 series engine: https://openairdocs.org/engine/wright-r-1820-series.md

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