# N3893N: 1981 Bell 412, registration cancelled 2011-09-10 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: September 10, 2011 - Status when cancelled: Valid registration - Airframe: [Bell 412](https://openairdocs.org/model/bell-412) (registry code 1182202) - Engine: [Pratt & Whitney Canada PT6T-3 series](https://openairdocs.org/engine/pratt-whitney-canada-pt6t-3-series) (registry code 52103) - Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW), [TCDS E22EA](https://openairdocs.org/tcds/E22EA) (OpenAirDocs) - Serial number: 33010 - Year built: 1981 - Type of aircraft: Rotorcraft - Engine type: Turbo-prop - Airworthiness: Standard, transport - Airworthiness date: February 16, 2004 - Certificate issued: December 18, 2007 - Last registry action: May 19, 2010 - Mode S code: A47F87 - Owner when cancelled: [Ep Aviation LLC](https://openairdocs.org/faa-owner/EP%20AVIATION%20LLC) - Location: [Wood Dale, IL](https://openairdocs.org/faa-place/IL/Wood%20Dale) - Owner type: Corporation - Owner's area on the map: 41.9744° N, 87.9865° W: Placed by OpenAirDocs at the center of ZIP code 60191, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N3893N - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3893N - Page: https://openairdocs.org/deregistered/N3893N-2011-09-10 From the FAA registry file of October 29, 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 Bell 412: https://openairdocs.org/model/bell-412.md ## Service difficulty reports (182, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR HEEA114010](https://openairdocs.org/sdr/HEEA114010), Feb 5, 2007: WINDOW. CRACKED. PARAMEDIC NOTICED CRACK IN UPPER WINDOW COPILOTS DOOR. WHEN ATTEMPTING TO SECURE THE WINDOW WITH TAPE, WINDOW FELL OUT. MAINTENANCE REPLACED WINDOW. - [SDR HEEA107309](https://openairdocs.org/sdr/HEEA107309), Nov 29, 2005: INDICATOR. UNKNOWN. EN ROUTE TO VHPW, ENGINE OUT LIGHT CAME ON FOR NUMBER 2 ENGINE. PARTICLE SEPARATOR FOR NR 2 CAME ON AND N1 GAUGE FOR NR 2 WENT TO ZERO. ITT AND N2 WAS NORMAL. R - [SDR HEEA084936](https://openairdocs.org/sdr/HEEA084936), Feb 27, 2003: BEARING. WORN. ENGINE MOUNT TRIPOD ASSY BEARINGS ARE WORN. SCRAPPED. - [SDR HEEA084795](https://openairdocs.org/sdr/HEEA084795), Feb 21, 2003: SERVO. LEAKING. MAIN ROTOR SERVO LEAKS FROM PILOT VALVES. - [SDR HEEA084791](https://openairdocs.org/sdr/HEEA084791), Feb 21, 2003: SERVO. LEAKING. TAIL ROTOR SERVO LEAKING. REPAIRED. - [SDR HEEA084790](https://openairdocs.org/sdr/HEEA084790), Feb 21, 2003: SERVO. LEAKING. TAIL ROTOR SERVO LEAKING FROM TOP SEAL. REPAIRED. - [SDR HEEA084785](https://openairdocs.org/sdr/HEEA084785), Feb 21, 2003: ACTUATOR. INOPERATIVE. STEP ACTUATOR WILL NOT EXTEND. - [SDR HEEA084737](https://openairdocs.org/sdr/HEEA084737), Feb 17, 2003: SWITCH. DAMAGED. HOT MIC IN FM1 MIC SELECT POSITION. REPLACED S1 SELECTOR SWITCH, S6 AND S11 MONITOR SWITCHES, FACEPLATE, VOLUME AND SELECTOR KNOBS, Q9 TRANSISTOR AND C30 CAPACI - [SDR HEEA084627](https://openairdocs.org/sdr/HEEA084627), Feb 14, 2003: TRANSCEIVER. MALFUNCTIONED. ADF TRANSCEIVER DOES NOT RECEIVE. REPAIRED. - [SDR HEEA084604](https://openairdocs.org/sdr/HEEA084604), Feb 14, 2003: TRANSCEIVER. INOPERATIVE. WEATHER RADAR RT INOPERATIVE. REPLACED F202 FUSE, REPAIRED, BENCH CHECK GOOD. - [SDR HEEA084520](https://openairdocs.org/sdr/HEEA084520), Feb 14, 2003: BATTERY. WEAK. MAIN BATTERY WEAK. REPAIRED. - [SDR HEEA084519](https://openairdocs.org/sdr/HEEA084519), Feb 14, 2003: GOVERNOR. OSCILLATES. GOVERNOR CAUSING OSCILLATION WHEN POWER IS APPLIED. REPAIRED. - [SDR HEEA084516](https://openairdocs.org/sdr/HEEA084516), Feb 14, 2003: GOVERNOR. MALFUNCTIONED. TORQUE SPLIT. FOUND GOVERNOR BREAK SLOW TO RESPOND. REPLACED TEFLON TUBE AND ROLLER BEARINGS DUE TO WEAR. UNIT TESTED SATISFACTORY. - [SDR HEEA083600](https://openairdocs.org/sdr/HEEA083600), Jan 14, 2003: INDICATOR. INOPERATIVE. RADAR INOPERATIVE. SHOP REPAIR. - [SDR HEEA080625](https://openairdocs.org/sdr/HEEA080625), Jul 29, 2002: GYRO. MALFUNCTIONED. HORIZON GYRO LIGHT INOPERATIVE. REPAIRED. - [SDR HEEA080621](https://openairdocs.org/sdr/HEEA080621), Jul 29, 2002: GYRO. MALFUNCTIONED. LIGHT INOPERATIVE. REPAIRED. - [SDR HEEA080620](https://openairdocs.org/sdr/HEEA080620), Jul 29, 2002: GYRO. UNRELIABLE. INDICATOR PRECESSES RIGHT UNTIL CARD REACHES INTERNAL STOPS, UNRELIABLE. REPAIRED. - [SDR HEEA080616](https://openairdocs.org/sdr/HEEA080616), Jul 29, 2002: RESTRAINT. FRAYED. SHOULDER RESTRAINT FRAYED. SCRAPPED. - [SDR HEEA080558](https://openairdocs.org/sdr/HEEA080558), Jul 29, 2002: RADAR. DAMAGED. LOOSE ITEM (RESISTOR) FOUND INSIDE OF WEATHER RADAR UNIT. REINSTALLED LOOSE RESISTOR R328. REPAIRED. BENCH CHECK GOOD. - [SDR HEEA080547](https://openairdocs.org/sdr/HEEA080547), Jul 29, 2002: INDICATOR. FLUCTUATES. FLUCTUATES ABOUT 50 POUNDS. REPLACED WITH SERVICEABLE PART. - [SDR HEEA080541](https://openairdocs.org/sdr/HEEA080541), Jul 29, 2002: SERVO VALVE. LEAKING. LARGE TORQUE OSCILLATION. FOUND SERVO VALVES AND LEVER LEAKING AIR. CLEANED VALVES AND LEVER, RESET UNIT AND TESTED SATISFACTORY. - [SDR HEEA080508](https://openairdocs.org/sdr/HEEA080508), Jul 29, 2002: BLEED VALVE. OSCILLATES. BLEED VALVE DELIVERS ENGINE OSCILLATIONS. - [SDR HEEA080158](https://openairdocs.org/sdr/HEEA080158), Jun 26, 2002: BUSHING. WORN. BEARINGS AND BUSHINGS WORN. REPAIRED. - [SDR HEEA080154](https://openairdocs.org/sdr/HEEA080154), Jun 26, 2002: FLOAT. LEAKING. EMERGENCY FLOAT BAG LEAKING. - [SDR HEEA080130](https://openairdocs.org/sdr/HEEA080130), Jun 26, 2002: TUBE. WORN. ENGINE MOUNT TUBE HAS WORN BEARING. SCRAPPED. - [SDR HEEA080116](https://openairdocs.org/sdr/HEEA080116), Jun 26, 2002: TRANSCEIVER. INOPERATIVE. TRANSCEIVER INOPERATIVE. NO AUDIO AND WILL NOT POINT. - [SDR HEEA079925](https://openairdocs.org/sdr/HEEA079925), Jun 26, 2002: ENGINE. FAILED. WHEN PLACED IN MANUAL, GOVERNOR ENGINE COMPRESSOR STALLED AT APPROXIMATELY 70 & N1 SPEED. FLAME CAME OUT OF EXHAUST STACK. ENGINE REMOVED FOR OVERTEMP INSPECTIO - [SDR HEEA079700](https://openairdocs.org/sdr/HEEA079700), May 30, 2002: BEARING. WORN. MAIN ROTOR ROD END HAS A WORN BEARING. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079692](https://openairdocs.org/sdr/HEEA079692), May 30, 2002: BEARING. WORN. MAIN ROTOR ROD END HAS A WORN BEARING. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079687](https://openairdocs.org/sdr/HEEA079687), May 30, 2002: BEARING. WORN. MAIN ROTOR ROD END HAS A WORN BEARING. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079680](https://openairdocs.org/sdr/HEEA079680), May 30, 2002: BEARING. WORN. MAIN ROTOR UNIVERSAL HAS A WORN BEARING. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079646](https://openairdocs.org/sdr/HEEA079646), May 30, 2002: COVER. DAMAGED. RT AFT FLOAT COVER LOOP AND HOOK WON'T HOLD AND KEEPS COMING OPEN IN FLIGHT. - [SDR HEEA079641](https://openairdocs.org/sdr/HEEA079641), May 30, 2002: COVER. WORN. RT FWD FLOAT COVER LOOP AND HOOK WOULD NOT HOLD AND FLAP GETTING RAGGED. - [SDR HEEA079636](https://openairdocs.org/sdr/HEEA079636), May 30, 2002: SHOE. BROKEN. SKID TUBE SHOE HAS TWO BROKEN EARS. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079633](https://openairdocs.org/sdr/HEEA079633), May 30, 2002: SHOE. WORN. WELD BEADS ON SKID TUBE SHOE WORN. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079632](https://openairdocs.org/sdr/HEEA079632), May 30, 2002: SHOE. WORN. SKID TUBE SHOE WORN. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079613](https://openairdocs.org/sdr/HEEA079613), May 30, 2002: ADAPTER. WORN. QUILL ASSY FLANGE ADAPTER WORN. SEND TO VENDOR FOR REPAIR. - [SDR HEEA079599](https://openairdocs.org/sdr/HEEA079599), May 30, 2002: CAP. WORN. MLG ATTACH CAP HAS WORN RUBBER. - [SDR HEEA079546](https://openairdocs.org/sdr/HEEA079546), May 28, 2002: CAP. WORN. SKID CAP ON MLG HAS RUBBER WORN. - [SDR HEEA079515](https://openairdocs.org/sdr/HEEA079515), May 28, 2002: CONNECTOR. DAMAGED. TROUBLESHOOTING FOUND "A" PIN BROKEN IN VALVE PLUG RECEPTICLE OF ENGINE OIL SHUTOFF VALVE. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079511](https://openairdocs.org/sdr/HEEA079511), May 28, 2002: INDICATOR. READS HIGH. ENGINE OIL TEMP READS HIGH. - [SDR HEEA079499](https://openairdocs.org/sdr/HEEA079499), May 28, 2002: PRESSURE SWITCH. INOPERATIVE. FUEL BOOST PRESSURE SWITCH INOPERATIVE. SCRAPPED AND REPLACED WITH SERVICEABLE PART. - [SDR HEEA079439](https://openairdocs.org/sdr/HEEA079439), May 28, 2002: VALVE. INOPERATIVE. HEATER MIXING VALVE INOPERATIVE. - [SDR HEEA079247](https://openairdocs.org/sdr/HEEA079247), May 24, 2002: INDICATOR. FLUCTUATES. FUEL PRESSURE INDICATOR FLUCTUATES 15 TO 20 PSI WITH JUST INVERTERS ON WITH PRESSURE TO SYSTEM. - [SDR HEEA079118](https://openairdocs.org/sdr/HEEA079118), May 21, 2002: CROSSTUBE. CORRODED. CORROSION PITS IN ZONE 1 ON TOP SIDE OF TUBE AT A DEPTH OF .010 OF AN INCH DEEP NEAR SADDLE MOUNT. - [SDR HEEA076258](https://openairdocs.org/sdr/HEEA076258), Oct 9, 2001: ENGINE. STALLED. COMPRESSOR STALLS ABOVE 85 PERCENT N1 AND OVERTEMP (PEGGED OUT GAUGE). SENT TO PRATT AND WHITNEY FOR INSPECTION AND REPAIR. - [SDR HEEA076476](https://openairdocs.org/sdr/HEEA076476), Oct 4, 2001: TRANSMITTER. MALFUNCTIONED. PRESSURE INDICATOR NEEDLE PEGGED OUT ON HIGH SIDE. REPLACED WITH SERVICEABLE TRANSMITTER. - [SDR HEEA072703](https://openairdocs.org/sdr/HEEA072703), Apr 19, 2001: COMPASS. LOW. LOW ON FLUID. - [SDR HEEA072699](https://openairdocs.org/sdr/HEEA072699), Apr 19, 2001: ANTENNA. DAMAGED. BASE IS DAMAGED. BASE IS CRACKED. SCRAPPED AND REPLACED WITH SERVICEABLE PART. - [SDR HEEA072600](https://openairdocs.org/sdr/HEEA072600), Apr 19, 2001: LIGHT. INOPERATIVE. NOT WORKING. SENT TO OFFSHORE HELICOPTER SUPPORT FOR INSPECTION AND REPAIR. All 182: https://openairdocs.org/deregistered/N3893N-2011-09-10/reports.md ## FAA accident and incident reports (3) 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 19950517028799I](https://openairdocs.org/incident/19950517028799I), May 17, 1995: Bell 412 (N3893N), Sabine, TX. Pulling pitch to lift to hover. Needles split. Aborted. Replaced governor on NR2 engine. - [Incident 19950504018629I](https://openairdocs.org/incident/19950504018629I), May 4, 1995: Bell 412 (N3893N), Sabine, TX, Minor damage. Narrative: on may 4, 1995, at 5:41 am, Bell helicopter, model 412, N3893N, operated by petroleum helicopters, inc. (phi), was en route to an offshore platform… - [Incident 19941125047769I](https://openairdocs.org/incident/19941125047769I), Nov 25, 1994: Bell 412 (N3893N), Lafayette, LA. During hover for takeoff lost NR1 engine max power 85 percent. N1 increasing. Shutdown. Governor fuel control. --- 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.