# N972BH: 1994 Aerospatiale AS350 B2 ECUREUIL - Status: Valid registration - Airframe: [Aerospatiale AS350 B2 ECUREUIL](https://openairdocs.org/model/aerospatiale-as350-b2-ecureuil) (registry code 8680813, 6 seats) - Engine: [Turbomeca ARRIEL-1SER](https://openairdocs.org/engine/turbomeca-arriel-1ser) (registry code 60030) - Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU) (Airbus Helicopters) (OpenAirDocs) - Serial number: 2804 - Year built: 1994 - Type: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, normal - Airworthiness date: September 13, 1994 - Certificate issued: October 8, 2022 - Expires: October 31, 2029 - Mode S code: AD8B34 - Registered owner: [Black Mountain Aviation LLC](https://openairdocs.org/faa-owner/BLACK%20MOUNTAIN%20AVIATION%20LLC) - Location: [Boulder City, NV](https://openairdocs.org/faa-place/NV/Boulder%20City) - Owner type: LLC - Owner's area on the map: 35.9997° N, 114.8520° W: Placed by OpenAirDocs at the center of ZIP code 89005, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=972BH - Page: https://openairdocs.org/aircraft/N972BH 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 (Aerospatiale AS350 B2 ECUREUIL) None in force. ### Matched by engine (Turbomeca ARRIEL-1SER) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N972BH. ## FAA accident and incident reports None matched to N972BH. ## Service difficulty reports (26) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR HCMA2012F00018](https://openairdocs.org/sdr/HCMA2012F00018), Nov 14, 2011: WIRE. SHORTED. ACFT DEPARTED. APPROX 10 MINUTE INTO FLIGHT, PILOT NOTICED SMALL ELECTRICAL PROBLEMS SUCH AS A SCRATCHY INTERCOM AND VOLUME CHANGING. NOTICED RADIO, GPS, VIDEO - [SDR 2010FA0000209](https://openairdocs.org/sdr/2010FA0000209), Feb 22, 2010: GEARBOX. MAKING METAL. DURING A TOUR FLIGHT THAT DEPARTED AIRPORT, THE MGB CHIP LIGHT ILLUMINATD 3 MINUTES INTO THE FLIGHT. THE PILOT RETURNED TO DEPARTURE WITHOUT INCIDENT. THE MECHA - [SDR HCM2006F00001](https://openairdocs.org/sdr/HCM2006F00001), Apr 25, 2006: CHIP DETECTOR. ACTIVATED. PRECAUTIONARY LANDING, DEVIATION FROM INTENDED ROUTE OF FLIGHT, DUE TO ENGINE OIL CHIP LIGHT ANNUNCIATION. UNEVENTFUL LANDING AT DEPARTURE AIRPORT. NO INJURIES, - [SDR 2005FA0000490](https://openairdocs.org/sdr/2005FA0000490), Mar 2, 2005: GEAR SET. CORRODED. GEAR SET HAS EXCESSIVE FROSTING AND PITTING. REQUESTING WARRANTY CONSIDERATION. (K) - [SDR 20010122CW015](https://openairdocs.org/sdr/20010122CW015), Jan 3, 2001: CONNECTOR. LOOSE. DURING A TOUR FLIGHT WITH 4 PASSENGERS ON BOARD, PILOT NOTICED A HIGH ENGINE OIL TEMPERATURE READING. HE ELECTED TO PERFORM A PRECAUTIONARY LANDING. UPON INSPEC - [SDR HCMA075311](https://openairdocs.org/sdr/HCMA075311), Sep 20, 2000: ROD. WORN. PART IS WORN BEYOND LIMITS.PLEASE REPLACE BEARINGS UNDER WARRANTY. - [SDR HCMA075310](https://openairdocs.org/sdr/HCMA075310), Sep 20, 2000: ROD. WORN. PART IS WORN BEYOND LIMITS.PLEASE REPLACE BEARINGS UNDER WARRANTY. - [SDR HCMA066367](https://openairdocs.org/sdr/HCMA066367), Oct 25, 1999: BEARING. WORN. PITCH CONTROL WORN BEYOND LIMITS. - [SDR 99ZZZX410](https://openairdocs.org/sdr/99ZZZX410), Jan 2, 1999: PUMP. MALFUNCTIONED. JANUARY 2, 1999, AT APX 16:30 HOURS, WHILE ON A ROUTINE SIGHTSEEING FLIGHT, PILOT EXPERIENCED A FUEL FILTER CAUTION LIGHT. COLLECTIVE MOVEMENTS CREATED FLUCTUAT - [SDR HCMA0000226](https://openairdocs.org/sdr/HCMA0000226), Nov 7, 1998: BEARING. WORN. BEARINGS WORN BEYOND LIMITS AND TORN. (X) - [SDR HCMA0000206](https://openairdocs.org/sdr/HCMA0000206), Jul 23, 1998: BEARING. WORN. T/R DRIVE BEARING WORN BEYOND LIMITS; TORN. - [SDR HCMA0000205](https://openairdocs.org/sdr/HCMA0000205), Mar 17, 1998: BEARING. WORN. T/R ROTOR DRIVE BEARING IS WORN BEYOND LIMITS. (X) - [SDR HCMA9647](https://openairdocs.org/sdr/HCMA9647), Aug 16, 1996: BEARINGS. CRACKED. BEARING CAUSED T/R FREQUENCY VIBRATIONS. WORN BEYOND LIMITS. - [SDR HCMA9639](https://openairdocs.org/sdr/HCMA9639), Aug 15, 1996: LAMIFICATION. CRACKED. REAR ROTOR LAMIFICATION IS CRACKED. - [SDR HCMA9630](https://openairdocs.org/sdr/HCMA9630), Jun 7, 1996: BEARING. CRACKED. BEARING IS CRACKED BEYOND LIMITS. - [SDR HCMA9621](https://openairdocs.org/sdr/HCMA9621), Jun 5, 1996: HINGE LAMINATE. CRACKED. REAR ROTOR LAMIFICATION IS CRACKED. - [SDR HCMA9610](https://openairdocs.org/sdr/HCMA9610), Feb 21, 1996: SEAL MAGNETIC. DEFECTIVE. PART IS DEFECTIVE. LEAKS BADLY. - [SDR 95ZZZX3917](https://openairdocs.org/sdr/95ZZZX3917), Jun 13, 1995: ENCODER. DEFECTIVE. ENCODER HAS INACCURATE ALTITUDE ENCODING. - [SDR 95ZZZX3916](https://openairdocs.org/sdr/95ZZZX3916), May 16, 1995: SEAL. LEAKS. SEAL WORN BEYOND LIMITS. LEAKS BAD. - [SDR 95ZZZX3915](https://openairdocs.org/sdr/95ZZZX3915), May 16, 1995: SERVO. LEAKING. SERVO LEAKING BAD IN OUTPUT AREA. - [SDR 95ZZZX3914](https://openairdocs.org/sdr/95ZZZX3914), May 3, 1995: BALL JOINT. WORN. BALL JOINT HAS EXCESSIVE AXIAL PLAY IN BEARING. - [SDR 95ZZZX3913](https://openairdocs.org/sdr/95ZZZX3913), Apr 13, 1995: PROBE. ERRATIC. PROBE UNIT ERRATIC AND CAUSING OIL TEMPERATURE FLUCTUATIONS. - [SDR 95ZZZX3920](https://openairdocs.org/sdr/95ZZZX3920), Feb 15, 1995: COUPLING. BORE WORN. COUPLING BORES WORN. - [SDR 95ZZZX3919](https://openairdocs.org/sdr/95ZZZX3919), Feb 15, 1995: GIMBAL RING. BEARING UNBONDED. BUSH BEARING WAS SPINNING OR UNBONDING AND TURNING. - [SDR 95ZZZX3918](https://openairdocs.org/sdr/95ZZZX3918), Feb 15, 1995: GIMBAL HOUSING. DAMAGED. LEFT EAR MOUNT COMPRESSOR PIVOT POINT GROUND DOWN. - [SDR 95ZZZX2473](https://openairdocs.org/sdr/95ZZZX2473), Feb 15, 1995: BLADE. CRACKED. CRACKS AT BLADE NR 2 T.E. TAB, INBOARD AREA. CRACK BEYOND LIMITS. ## STCs that may be installed (OpenAirDocs) (10) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Aerospatiale AS350 B2 ECUREUIL) - [STC SR09139RC](https://openairdocs.org/stc/SR09139RC): Installation of an air medical system. LifePort LLC. Lists AS-350 Series - [STC SR01486NY](https://openairdocs.org/stc/SR01486NY): Installation of Spacecam RAMS camera mount. SPACECAM Systems Inc. Lists AS-350 Series - [STC SR01058LA](https://openairdocs.org/stc/SR01058LA): Installation of a camera mount system. Airfilm Camera Systems. Lists AS-350 Series - [STC SH7328SW-D](https://openairdocs.org/stc/SH7328SW-D): Relocation of aircraft dataplate. American Eurocopter Corporation. Lists AS-350 Series - [STC SR01411NY](https://openairdocs.org/stc/SR01411NY): Installation of OSAT-100 Airborne Position/Data Communicator. Technisonic Industries Limited. Lists AS-350 Series - [STC SR00831LA](https://openairdocs.org/stc/SR00831LA): Installation of Apical Emergency float kit, p/n 20416. Apical Industries Inc. Lists AS-350 Series - [STC SR01441AT](https://openairdocs.org/stc/SR01441AT): Installation of Ultra Media Camera System. Aero Avionics, Inc. Lists AS-350 Series - [STC SR00491AT-D](https://openairdocs.org/stc/SR00491AT-D): Installation and operation of a Tyler Camera mount systems nose camera mount. Tyler Camera Systems. Lists AS-350 Series - [STC SH4970SW](https://openairdocs.org/stc/SH4970SW): Installation of Marathon TCA or TSP 1735 battery. Marathon Power Tech Co. Lists AS-350 Series - [STC SH5050NM](https://openairdocs.org/stc/SH5050NM): Installation of Tyler middle mount camera system in aft compartment of Aerospatiale AS-350 and AS-355 Series helicopters. Tyler Camera Systems. Lists AS-350 Series ## Related - Other Aerospatiale AS350 B2 ECUREUIL aircraft: https://openairdocs.org/model/aerospatiale-as350-b2-ecureuil/aircraft.md - The Turbomeca ARRIEL-1SER engine: https://openairdocs.org/engine/turbomeca-arriel-1ser.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.