# N106MH: Boeing-Vertol CH-21C

- Status: Valid registration
- Airframe: [Boeing-Vertol CH-21C](https://openairdocs.org/model/boeing-vertol-ch-21c) (registry code 1385006, 21 seats)
- Serial number: 562106
- Type: Rotorcraft
- Engine type: Reciprocating
- Certificate issued: August 3, 2012
- Expires: August 31, 2028
- Mode S code: A01C19
- 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=106MH
- Page: https://openairdocs.org/aircraft/N106MH

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 (Boeing-Vertol CH-21C)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N106MH.

## FAA accident and incident reports

None matched to N106MH.

## Reports on N106MH not matched to an aircraft (1)

They name N106MH, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19740111003529A](https://openairdocs.org/incident/19740111003529A), Jan 11, 1974: Mtsbsi MU2B30 (N106MH), OH, Substantial damage

## 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 Boeing-Vertol CH-21C aircraft: https://openairdocs.org/model/boeing-vertol-ch-21c/aircraft.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.