# N5204X: 1998 Eurocopter AS 350 B2, registration cancelled 2022-01-08 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: January 8, 2022 - Status when cancelled: Registration expired, pending cancellation - Airframe: [Eurocopter AS 350 B2](https://openairdocs.org/model/eurocopter-as-350-b2) (registry code 8680950) - Engine: [Turbomeca ARRIEL-1SER](https://openairdocs.org/engine/turbomeca-arriel-1ser) (registry code 60030) - Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU) (OpenAirDocs) - Serial number: 3099 - Year built: 1998 - Type of aircraft: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, normal - Airworthiness date: September 11, 1998 - Certificate issued: October 31, 1998 - Last registry action: April 17, 2018 - Mode S code: A68BE8 - Owners when cancelled: [U S Dept Of Homeland Security](https://openairdocs.org/faa-owner/U%20S%20DEPT%20OF%20HOMELAND%20SECURITY), [U S Customs & Border Protection](https://openairdocs.org/faa-owner/U%20S%20CUSTOMS%20%26%20BORDER%20PROTECTION), [Office Of Air & Marine](https://openairdocs.org/faa-owner/OFFICE%20OF%20AIR%20%26%20MARINE) - Location: [Washington, DC](https://openairdocs.org/faa-place/DC/Washington) - Owner type: Government - Owner's area on the map: 38.8951° N, 77.0364° W: Placed by OpenAirDocs: center of Washington, DC, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N5204X - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5204X - Page: https://openairdocs.org/deregistered/N5204X-2022-01-08 From the FAA registry file of November 3, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe. ADs and bulletins for the Eurocopter AS 350 B2: https://openairdocs.org/model/eurocopter-as-350-b2.md ## Service difficulty reports (17) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR B3OR2015FA0000178](https://openairdocs.org/sdr/B3OR2015FA0000178), May 6, 2015: B-NUT. DISCONNECTED. ENGINE RPM DECREASED CAUSING A LOSS OF POWER IN FLIGHT WHICH FORCED THE PILOT TO AUTO-ROTATE TO ROUGH TERRAIN. THE ACFT CAME TO REST ON ITS SIDE WITH SUBSTANTIA - [SDR B3OR20040712](https://openairdocs.org/sdr/B3OR20040712), Jul 7, 2004: EVAPORATOR. CRACKED. PILOT WAS OPERATING AC AIR CONDTIONING SYSTEM AND HEARD A NOISE COMMING FROM THE FWD EVAPORATOR UNDER INSTRUMENT PANEL. UPON RETURN TO BASE, MECHANIC VERIFIED T - [SDR B30R20031120](https://openairdocs.org/sdr/B30R20031120), Dec 11, 2003: SKIN. DELAMINATED. DURING 100 HOUR INSPECTION, IT WAS DISCOVERED THAT THE INNER FIBERGLASS SKIN OF THE UPPER AFT SECTION OF THE ENGINE COWLING HAD DISBONDED FROM THE HONEYCOMB STR - [SDR B3OR20020021](https://openairdocs.org/sdr/B3OR20020021), Nov 8, 2002: BEARING. FAILED. DURING POST FLIGHT INSPECTION TECHNICAN ROTATED MAIN ROTOR TO INSPECT. WHILE TURNING HE NOTED THAT IT WAS VERY HARD TO TURN. FURTHER TROUBLESHOOTING REVEALED TH - [SDR B3OR20020019](https://openairdocs.org/sdr/B3OR20020019), Sep 6, 2002: EVAPORATOR. BROKEN. CRACKED HOUSINGS THAT CAUSE BLOWER MOTORS TO BECOME DISLODGED IN THE HOUSING, CAUSING BLOWER CAGES TO RUB ON THE HOUSING AND HOUSINGS TO BREAK APART. EVENTUAL F - [SDR B3OR20020017](https://openairdocs.org/sdr/B3OR20020017), May 29, 2002: BEARING. CORRODED. DURING A 500 HOUR INSPECTION IT IS NECESSARY TO DISSASSEBLE THE MAIN ROTOR FREQUENCY ADAPTER TO INSPECT FOR CORROSION. THE BEARING THAT IS IN THE ADAPTER IS SUP - [SDR B3OR20020016](https://openairdocs.org/sdr/B3OR20020016), May 29, 2002: STOP. CORRODED. DURING 500 HOUR INSPECTION OF THE MAIN ROTOR COMPONENTS, CORROSION WAS FOUND ON THE MATING SURFACE OF THE SPHERICAL STOP WHERE IT ATTACHES TO THE STARFLEX. ALL - [SDR B3OR20020015](https://openairdocs.org/sdr/B3OR20020015), May 29, 2002: MOUNT. DETERIORATED. THE ENGINE TO M/R GEARBOX GIMBAL JOINT , WHICH HOUSES THE DRIVE SHAFT, HAD EXCESSIVE PLAY. UPON INSPECTION AT THE 500 HOUR, THE GIMBAL RING AND HOUSING WERE MEA - [SDR B3OR20020014](https://openairdocs.org/sdr/B3OR20020014), May 29, 2002: HOUSING. WORN. THE ENGINE TO MAIN GEAR BOX GIMBAL JOINT , WHICH HOUSES THE DRIVE SHAFT, HAD EXCESSIVE PLAY. UPON INSPECTION AT THE 500 HOUR, THE GIMBAL RING AND HOUSING WERE M - [SDR B3OR20020012](https://openairdocs.org/sdr/B3OR20020012), May 29, 2002: PULLEY. SCORED. AIRCRAFT WAS IN FOR 500 HOUR INSPECTION. WHILE INSPECTING THE MAIN GEAR BOX COUPLING THAT DRIVES THE HYDRAULIC PUMP VIA A BELT AND PULLEY, THE PULLEY SURFACE WH - [SDR B3OR20020010](https://openairdocs.org/sdr/B3OR20020010), May 28, 2002: FREQ ADAPTER. CORRODED. DURING A 500 HOUR INSPECTION, THE M/R HEAD WAS DISSASSEMBLED. THE FREQUENCY ADAPTERS WERE REMOVED FOR INSPECTION. ATTEMPTS TO REMOVE THE BEARING BY PUSHING OR T - [SDR B3OR20020007](https://openairdocs.org/sdr/B3OR20020007), May 22, 2002: GIMBAL RING. WORN. DURING A 1000 HOUR INSPECTION, THE GIMBAL RING ON THE ENGINE TO MAIN GEARBOX MOUNT HAD EXCESSIVE PLAY IN THE BUSHINGS THAT WAS OUT OF LIMITS. THE BUSHINGS ARE N - [SDR B3OR20020013](https://openairdocs.org/sdr/B3OR20020013), May 17, 2002: GIMBAL RING. LOOSE. SEVERAL HOURS BEFORE THE AIRCRAFT CAME IN FOR IT'S 500 HOUR INSPECTION, IT WAS NOTED THAT THE ENGINE TO MAIN GEAR BOX GIMBAL JOINT , WHICH HOUSES THE DRIVE SHAF - [SDR USOM103282](https://openairdocs.org/sdr/USOM103282), May 14, 2002: STARFLEX. CRACKED. UPON INSPECTING PART DURING (T) 500 HOUR INSPECTION, FOUND CRACKED PAINT 2 INCHES FROM ONE END OF STARFLEX. INVESTIGATION REVEALED A 20 MM LONG X 4 INCH HIGH VO - [SDR B3OR20010006](https://openairdocs.org/sdr/B3OR20010006), Jul 9, 2001: SERVO. LEAKING. DURING A PREFLIGHT INSPECTION, HYDRAULIC FLUID WAS FOUND UNDER THE FORWARD PORTION IF THE TAIL BOOM. INVESTIGATION FOUND TAIL ROTOR SERVO LEAKING. AREA WAS CLEA - [SDR B3OR20010004](https://openairdocs.org/sdr/B3OR20010004), Jun 21, 2001: THERMOCOUPLE. OUT OF TOLERANCE. AIRCRAFT HAD SUFFERED A SERIES OF HUNG STARTS, ENGINE WOULD HANG UP AT 30%. IF THE ENGINE WOULD START, IT WOULD BE A SLOW START. USUALLY, THE PILOT WOULD REACH - [SDR 2000ZZZX397](https://openairdocs.org/sdr/2000ZZZX397), Dec 8, 1999: BLOWER MOTOR. CORRODED. DURING A 100-HOUR/200-HOUR INSPECTION, DISCOVERED THE OIL COOLER BLOWER MOTOR HOUSING SEVERLY CORRODED. PART WAS REMOVED AND REPLACED. BLOWER MOTOR REMOVED WAS ## NTSB investigations (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 WPR15TA027](https://openairdocs.org/ntsb/WPR15TA027), Oct 27, 2014: Eurocopter AS 350 (N5204X), Bisbee, AZ, substantial damage. Probable cause: Failure of maintenance personnel to ensure adequate torque of a pneumatic control pipe (P2) fitting, which resulted in a loss of engine power during low altitude flight maneuvers. ## FAA accident and incident reports (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. - [Accident 20141027021109A](https://openairdocs.org/incident/20141027021109A), Oct 27, 2014: Eurocopter AS 350 B2 (N5204X), Sierra Vista, AZ, Substantial damage. On October 27, 2014, while conducting surveillance operations for the us customs and border patrol near Sierra Vista Arizona, N5204X experienced a loss of… ## Other aircraft with N5204X - [Cancelled 1995-11-15](https://openairdocs.org/deregistered/N5204X-1995-11-15): Galaxy Balloons GALAXY 9, S/N GLX1019. Triennial form not returned. Owner: [Gray Ferrel F](https://openairdocs.org/faa-owner/GRAY%20FERREL%20F), [Palm Desert, CA](https://openairdocs.org/faa-place/CA/Palm%20Desert) - [Cancelled 1980-11-18](https://openairdocs.org/deregistered/N5204X-1980-11-18): Cessna TU206G, S/N U20605593. Exported to Sweden. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), Zaventem - [Cancelled 1974-02-19](https://openairdocs.org/deregistered/N5204X-1974-02-19): Cessna 320, S/N 3200104. Owner: [Davie Eugene N DBA Beaver County Clinic](https://openairdocs.org/faa-owner/DAVIE%20EUGENE%20N%20DBA%20BEAVER%20COUNTY%20CLINIC), [Milford, UT](https://openairdocs.org/faa-place/UT/Milford) --- 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.