# N528SF: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: March 10, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=528SF
- Page: https://openairdocs.org/aircraft/N528SF

## Aircraft that carried N528SF

- [Cancelled 2017-03-10](https://openairdocs.org/deregistered/N528SF-2017-03-10): Eurocopter Deutschland MBB BK-117 A4, S/N 7104, built 1986. Registration expired, pending cancellation. Owner: [Rocky Mountain Holdings LLC](https://openairdocs.org/faa-owner/ROCKY%20MOUNTAIN%20HOLDINGS%20LLC), [Provo, UT](https://openairdocs.org/faa-place/UT/Provo)

## NTSB investigations on N528SF (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 MIA02IA160](https://openairdocs.org/ntsb/MIA02IA160), Aug 27, 2002: Eurocopter Deutschland MBB BK-117 A4 (N528SF), Bradenton, FL, incident, minor damage. Probable cause: Improper maintenance/installation of the No. 2 engine power turbine (PT) wheel assembly by company maintenance personnel, which resulted in deflection at the engine case axial midpoint and…

## FAA accident and incident reports on N528SF (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.

- [Incident 20020826026219I](https://openairdocs.org/incident/20020826026219I), Aug 26, 2002: Bolkms BK117A4 (N528SF), Bradenton, FL, Minor damage. (-23) On August 26, 2002, at 2035 EDT, a Eurocopter MBB-BK117, N528SF, registered to rocky mountain holdings LLC, experienced an in-flight engine fire and…

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