# N5426U: 1981 Sikorsky S-76, registration cancelled 2002-11-07 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: November 7, 2002 - Exported to: Canada - Status when cancelled: Valid registration - Airframe: [Sikorsky S-76](https://openairdocs.org/model/sikorsky-s-76) (registry code 8143010) - Engine: [Allison 250-C30 series](https://openairdocs.org/engine/allison-250-c30-series) (registry code 03015) - Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE), [TCDS E1GL](https://openairdocs.org/tcds/E1GL) (OpenAirDocs) - Serial number: 760167 - Year built: 1981 - Type of aircraft: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, transport - Airworthiness date: July 12, 1996 - Certificate issued: October 26, 1994 - Last registry action: August 28, 2001 - Mode S code: A6E297 - Owner when cancelled: [Petroleum Helicopters Inc](https://openairdocs.org/faa-owner/PETROLEUM%20HELICOPTERS%20INC) - Location: [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette) - Owner type: Corporation - Owner's area on the map: 30.1552° N, 92.0282° W: Placed by OpenAirDocs at the center of ZIP code 70508, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N5426U - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5426U - Page: https://openairdocs.org/deregistered/N5426U-2002-11-07 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 Sikorsky S-76: https://openairdocs.org/model/sikorsky-s-76.md ## Service difficulty reports (80, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR HEEA080425](https://openairdocs.org/sdr/HEEA080425), Jul 9, 2002: VALVE. INOPERATIVE. ANTI ICE VALVE INOPERATIVE, CAUSING BOTH GREEN AND YELLOW CAUTION LIGHTS TO ILLUMINATE ON MASTER CAUTION PANEL. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079369](https://openairdocs.org/sdr/HEEA079369), May 30, 2002: INTERPHONE. MALFUNCTIONED. COPILOT HAS HOT MIC ON CABIN ICS. FOUND CAPACITOR C30, RESISTOR R71 AND LIGHT PANEL BAD. REPLACED, REPAIRED, BENCH CHECK GOOD. - [SDR HEEA079305](https://openairdocs.org/sdr/HEEA079305), May 30, 2002: BLADE. CRACKED. TAIL ROTOR BLADE LEADING EDGE ABRASION STRIP ON PADDLE "B" HAS A HOLE WITH MULTIPLE CRACKS. - [SDR HEEA078724](https://openairdocs.org/sdr/HEEA078724), May 20, 2002: BELLCRANK. WORN. TAIL ROTOR BELLCRANK HAS WORN BEARINGS. REPLACED WITH SERVICEABLE BELLCRANK. - [SDR HEEA077393](https://openairdocs.org/sdr/HEEA077393), Dec 4, 2001: INDICATOR. PRECESSES. ADI PRECESSES HORIZONTALLY IN FLIGHT. - [SDR HEEA077389](https://openairdocs.org/sdr/HEEA077389), Dec 4, 2001: RIB. DEBONDED. MAIN ROTOR BLADE TIP RIB UNBONDED. - [SDR HEEA065239](https://openairdocs.org/sdr/HEEA065239), Nov 17, 1999: INDICATOR. MALFUNCTIONED. UNABLE TO ADJUST HORIZON ENOUGH TO BRING IT BACK LEVEL. - [SDR HEEA065233](https://openairdocs.org/sdr/HEEA065233), Nov 17, 1999: INDICATOR. INTERMITTENT. COPILOT'S TURN AND SLIP INDICATOR INTERMITTENTLY INOPERATIVE. - [SDR HEEA065231](https://openairdocs.org/sdr/HEEA065231), Nov 17, 1999: VERTICAL GYRO. KICKING. NR 1 PITCH KICKING. - [SDR HEEA065059](https://openairdocs.org/sdr/HEEA065059), Nov 11, 1999: VERTICAL GYRO. FAILED. VERTICAL GYRO CAUSES ATTITUDE INDICATOR TO TUMBLE. - [SDR HEEA063037](https://openairdocs.org/sdr/HEEA063037), Jul 29, 1999: VERTICAL GYRO. FAILED. ATTITUDE INDICATOR FAILED IN-FLIGHT. - [SDR HEEA062789](https://openairdocs.org/sdr/HEEA062789), Jul 13, 1999: RECEIVER. MALFUNCTIONED. ADF NEEDLE DOES NOT POINT, ROTATES CONTINUOUSLY. - [SDR HEEA061642](https://openairdocs.org/sdr/HEEA061642), Apr 6, 1999: POWER SUPPLY. INOPERATIVE. POWER SUPPLY INOPERATIVE, NO OUTPUT. - [SDR HEEA061594](https://openairdocs.org/sdr/HEEA061594), Apr 5, 1999: GYRO COMPASS. MALFUNCTIONED. COMPASS WARNING LIGHT ILLUMINATES ON AND OFF. - [SDR HEEA060067](https://openairdocs.org/sdr/HEEA060067), Jan 21, 1999: ACTUATOR. INOPERATIVE. AFCS ACTUATOR INOPERATIVE. POTS DEFECTIVE IN NULL POSITION. - [SDR HEEA060044](https://openairdocs.org/sdr/HEEA060044), Jan 20, 1999: TRANSCEIVER. MALFUNCTIONED. WHEN TRANSMITTING, FOUND CORES OUT, WEAK, AND BROKEN. - [SDR HEEA0016315](https://openairdocs.org/sdr/HEEA0016315), Oct 22, 1998: RING. WORN. SWASHPLATE'S OUTBOARD DIAMETER LINERS WORN. - [SDR HEEA0016314](https://openairdocs.org/sdr/HEEA0016314), Oct 22, 1998: INVERTER. INTERMITTENT. INVERTER DOES NOT COME ON LINE EVERY TIME. - [SDR HEEA0016278](https://openairdocs.org/sdr/HEEA0016278), Oct 22, 1998: VERTICAL GYRO. KICKS. PITCH KICKS IN-FLIGHT. - [SDR HEEA0016259](https://openairdocs.org/sdr/HEEA0016259), Oct 22, 1998: TRANSCEIVER. FAILED. TRANSCEIVER HAS NO TRANSMIT OR RECEIVE. - [SDR HEEA0016230](https://openairdocs.org/sdr/HEEA0016230), Oct 21, 1998: ACTUATOR. CHATTERS. NR 2 PITCH CHATTERING. - [SDR HEEA0016229](https://openairdocs.org/sdr/HEEA0016229), Oct 21, 1998: ACTUATOR. CHATTERS. NR 1 ROLL CHATTERING. - [SDR 98ZZZX4745](https://openairdocs.org/sdr/98ZZZX4745), Oct 1, 1998: TRANSMITTER. MALFUNCTIONED. ON TAKEOFF, NR 2 ENGINE TORQUE DROPPED WITH A CONTINUING RISE IN ENGINE TEMPERATURE. PILOT RETARDED NR 2 ENGINE AND MADE UNEVENTFUL LANDING. MAINTENANCE FOUND D - [SDR 98ZZZX3998](https://openairdocs.org/sdr/98ZZZX3998), Oct 1, 1998: TRANSMITTER. FAILED. ON TAKEOFF, NR 2 ENGINE TORQUE DROPPED WITH A CONTINUING RISE IN ENGINE TEMPERATURE. PILOT RETARDED NR 2 ENGINE AND MADE AN UNEVENTFUL LANDING. MAINTENANCE FOUN - [SDR HEEA0015929](https://openairdocs.org/sdr/HEEA0015929), Aug 28, 1998: CONTROL UNIT. FAILED. GENERATOR WOULD NOT RESET. - [SDR HEEA0015893](https://openairdocs.org/sdr/HEEA0015893), Aug 27, 1998: RECEIVER. MALFUNCTIONED. ADF SLOW TO RESPOND, KA135 CABLE BROKEN. - [SDR HEEA0015631](https://openairdocs.org/sdr/HEEA0015631), Aug 17, 1998: AFCS ACTUATOR. INOPERATIVE. ACTUATOR INOPERATIVE. INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND POTENTIOMETERS CHECKED BAD ON STRIP CHART. - [SDR HEEA0015605](https://openairdocs.org/sdr/HEEA0015605), Aug 14, 1998: ACTUATOR. MALFUNCTIONED. ACTUATOR MALFUNCTION. - [SDR HEEA0015603](https://openairdocs.org/sdr/HEEA0015603), Aug 14, 1998: ACTUATOR. KICKING. NR 1 YAW KICKS. - [SDR HEEA0015462](https://openairdocs.org/sdr/HEEA0015462), Jul 30, 1998: INDICATOR. FAILED. ADI INDICATION RATCHETY. - [SDR HEEA0015392](https://openairdocs.org/sdr/HEEA0015392), Jul 29, 1998: CONTROL UNIT. FAILED. DC CONTROL UNIT WILL NOT BRING GENERATOR ON LINE. - [SDR HEEA0015388](https://openairdocs.org/sdr/HEEA0015388), Jul 29, 1998: VERTICAL GYRO. PRECESSING. VERTICAL GYRO PRECESSES IN FLIGHT. - [SDR HEEA0015107](https://openairdocs.org/sdr/HEEA0015107), Jul 1, 1998: SELECTOR. FAULTY. COURSE SELECTOR KNOB ROTATES CONTINUOUSLY WITH POWER ON. - [SDR HEEA0014748](https://openairdocs.org/sdr/HEEA0014748), Jun 11, 1998: ALTIMETER. INTERMITTENT. OUTPUT ON ALTIMETER IS INTERMITTENT AND INCORRECT. - [SDR HEEA0013995](https://openairdocs.org/sdr/HEEA0013995), Apr 21, 1998: NOZZLE SHIELD. CRACKED. ENGINE REMOVED DUE TO NR1 AND NR2 WHEEL CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR1 NOZZLE SHIELD OUTER BAND. - [SDR HEEA0013846](https://openairdocs.org/sdr/HEEA0013846), Apr 3, 1998: INDICATOR. FAILED. INDICATOR IS OUT OF TOLERANCE AT 18,000 FEET. FAILED BEFORE AND AFTER TEST. - [SDR HEEA0013844](https://openairdocs.org/sdr/HEEA0013844), Apr 3, 1998: INDICATOR. LEAKAGE. ALTIMETER EXCESSIVE CASE LEAKAGE. - [SDR HEEA0013772](https://openairdocs.org/sdr/HEEA0013772), Apr 2, 1998: VERTICAL GYRO. MALFUNCTION. NR 1 PITCH KICKS IN LEVEL FLIGHT. - [SDR HEEA0013599](https://openairdocs.org/sdr/HEEA0013599), Mar 26, 1998: DETECTOR. FAILED. FLAME DETECTOR WOULD NOT TEST CORRECTLY. - [SDR HEEA0013551](https://openairdocs.org/sdr/HEEA0013551), Mar 26, 1998: PITCH SLICE AMP. MALFUNCTION. NR 1 PITCH KICKS IN FLIGHT. - [SDR HEEA0013503](https://openairdocs.org/sdr/HEEA0013503), Mar 19, 1998: ALTIMETER. FAILED. ALTIMETER INDICATES OUT OF TOLERANCE AT APPROXIMATELY 18,000 FEET. ALSO UNIT HAS CLICKING NOISE WHILE BEING RUN. - [SDR HEEA0013265](https://openairdocs.org/sdr/HEEA0013265), Mar 4, 1998: INVERTER. FAILED. INVERTER DROPS OFF LINE AFTER ONE HOUR. TIME SINCE REPAIR 11:10. - [SDR HEEA0013232](https://openairdocs.org/sdr/HEEA0013232), Mar 4, 1998: VERTICAL GYRO. DEFECTIVE. ADI WILL FALL 90 DEGREES. - [SDR HEEA0013231](https://openairdocs.org/sdr/HEEA0013231), Mar 4, 1998: VERTICAL GYRO. FAILED. VERT GYRO MALFUNCTION. TAKES 5 TO 7 MINUTES TO PULL FLAG ON ADI. - [SDR HEEA0012911](https://openairdocs.org/sdr/HEEA0012911), Feb 10, 1998: PRIORITY VALVE. FAILED. NR2 SERVO LIGHT WOULD COME ON WHEN GEAR IS LOWERED OR RAISED. - [SDR HEEA0012785](https://openairdocs.org/sdr/HEEA0012785), Feb 5, 1998: ALTIMETER. FAILED. RADAR ALTIMETER NEEDLE FLUCTUATING AND WILL NOT SELF TEST PROPERLY. - [SDR HEEA0012422](https://openairdocs.org/sdr/HEEA0012422), Jan 5, 1998: BLADE. DEFECTIVE. PITCH HORN "B" HAS REACHED RETIREMENT TIME. - [SDR HEEA0012302](https://openairdocs.org/sdr/HEEA0012302), Dec 8, 1997: ACUTATOR. INTERMITTENT. ACTUATOR INOPERATIVE. TAPPED THEN WORKED INTERMITTENTLY. - [SDR HEEA0012039](https://openairdocs.org/sdr/HEEA0012039), Nov 18, 1997: DAMPENER. WORN. DAMPENER INNER BUSHING CAVITY OVERSIZED. - [SDR HEEA0011954](https://openairdocs.org/sdr/HEEA0011954), Nov 12, 1997: OUTPUT FLANGE. SHEARED. ENG OUTPUT SHAFT SHEARED AT THREADS. SCRAPPED PART. All 80: https://openairdocs.org/deregistered/N5426U-2002-11-07/reports.md ## 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. - [Incident 19950213011429I](https://openairdocs.org/incident/19950213011429I), Feb 13, 1995: Skrsky S76 (N5426U), Quenton, KY. Narrative: upon approach to the Heliport, aircraft N5426U experienced an unsafe landing gear indication. The emergency procedures were accomplished with no… ## Other aircraft with N5426U - [Cancelled 1979-11-20](https://openairdocs.org/deregistered/N5426U-1979-11-20): Cessna U206G, S/N U20605289. Exported to Netherlands. Owner: [Civico Aircraft Sales Inc](https://openairdocs.org/faa-owner/CIVICO%20AIRCRAFT%20SALES%20INC), [Fl Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fl%20Lauderdale) --- 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.