N528SF is not currently registered. It was last assigned to an Eurocopter Deutschland Gmbh MBB BK-117 A4 built in 1986. The FAA cancelled the registration on March 10, 2017. The last status on file was "registration expired, pending cancellation".
Eurocopter Deutschland Gmbh MBB BK-117 A4 cancelled March 10, 2017
- Serial number
- 7104
- Type
- Rotorcraft · Turboshaft
- Year built
- 1986
- Last status
- Registration expired, pending cancellation
- Certificate issued
- April 19, 2001
- Last FAA action
- October 19, 2007
- Last owner
- Rocky Mountain Holdings LLC (Corporation)
Provo, UT - Airworthiness
- Standard · Transport
NTSB accident and incident record under N528SF
Aircraft on the NTSB record: Eurocopter Deutschland GMBH MBB BK-117 A4 · serial 7104
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 misalignment between the inlet housing and the rear bearing support housing (RBSH) which resulted in damage to the engine and an in-flight fire.
A tail number passes between aircraft over the years; match the serial number on the NTSB record against the airframe above. Source: NTSB aviation accident database, records through September 30, 2026.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this number on the FAA site