# N28HM: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: November 13, 2021
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=28HM
- Page: https://openairdocs.org/aircraft/N28HM

## Aircraft that carried N28HM

- [Cancelled 2021-11-13](https://openairdocs.org/deregistered/N28HM-2021-11-13): Miller Hap C HELICYCLE, S/N 11137. Registration expired, pending cancellation. Owner: [Miller Hap C](https://openairdocs.org/faa-owner/MILLER%20HAP%20C), [Kenwood, CA](https://openairdocs.org/faa-place/CA/Kenwood)
- [Cancelled 2007-03-12](https://openairdocs.org/deregistered/N28HM-2007-03-12): Scorpion SP-B, S/N 22071, built 1971. Triennial form not returned. Owner: [Miller Hap C](https://openairdocs.org/faa-owner/MILLER%20HAP%20C), [Kenwood, CA](https://openairdocs.org/faa-place/CA/Kenwood)

## NTSB investigations on N28HM (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 OAK72DVD04](https://openairdocs.org/ntsb/OAK72DVD04-162469), Jul 13, 1971: Rotorways Scorpi (N28HM), Santa Rosa, CA, substantial damage

---
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.
