# N2743E: 1981 Sikorsky S-76A, registration cancelled 2003-05-13 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: May 13, 2003 - Status when cancelled: Triennial form not returned - Airframe: [Sikorsky S-76A](https://openairdocs.org/model/sikorsky-s-76a) (registry code 8143006) - Engine: [Allison 250 SER 250HP](https://openairdocs.org/engine/allison-250-ser-250hp) (registry code 03002) - Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE) (OpenAirDocs) - Serial number: 760155 - Year built: 1981 - Type of aircraft: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, transport - Airworthiness date: December 3, 1981 - Certificate issued: October 26, 1994 - Last registry action: November 14, 2000 - Mode S code: A2B81E - Owner when cancelled: [Petroleum Helicopters Nc](https://openairdocs.org/faa-owner/PETROLEUM%20HELICOPTERS%20NC) - Location: [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette) - Owner type: Corporation - Owner's area on the map: 30.2241° N, 92.0198° W: Placed by OpenAirDocs: center of Lafayette, LA, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N2743E - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2743E - Page: https://openairdocs.org/deregistered/N2743E-2003-05-13 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-76A: https://openairdocs.org/model/sikorsky-s-76a.md ## Service difficulty reports (42) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR HEEA065158](https://openairdocs.org/sdr/HEEA065158), Nov 15, 1999: FUEL PUMP. FAILED. NR 2 ENGINE SLOW TO START AFTER BEING SHUT DOWN FOR AN HOUR OR MORE. - [SDR HEEA065153](https://openairdocs.org/sdr/HEEA065153), Nov 15, 1999: DAMPER. FAILED. NO DAMPENING. - [SDR HEEA065095](https://openairdocs.org/sdr/HEEA065095), Nov 11, 1999: FUEL PUMP. WORN. FUEL PUMP HAD WORN INTERNAL SPLINES. - [SDR HEEA063061](https://openairdocs.org/sdr/HEEA063061), Aug 12, 1999: DC CONTROL. FAILED. DC CONTROL COULD NOT RESET AFTER TEST. - [SDR HEEA063047](https://openairdocs.org/sdr/HEEA063047), Aug 9, 1999: INDICATOR. INOPERATIVE. NR 2 NEEDLE INOPERATIVE ON HYDRAULIC PRESSURE INDICATOR. - [SDR HEEA062413](https://openairdocs.org/sdr/HEEA062413), Jun 17, 1999: BEACON. INOPERATIVE. BEACON INOPERATIVE. - [SDR HEEA062412](https://openairdocs.org/sdr/HEEA062412), Jun 17, 1999: ACTUATOR. MALFUNCTIONED. ACTUATOR CHATTERS AND KICKS. - [SDR HEEA062411](https://openairdocs.org/sdr/HEEA062411), Jun 17, 1999: GENERATOR. MALFUNCTIONED. A.C. GENERATOR BEARING LIGHT CAME ON IN-FLIGHT. INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND BEARINGS WERE ROUGH. - [SDR HEEA061628](https://openairdocs.org/sdr/HEEA061628), Apr 6, 1999: GYRO. MALFUNCTIONED. NR 2 PITCH KICKS IN-FLIGHT. - [SDR HEEA0016789](https://openairdocs.org/sdr/HEEA0016789), Nov 12, 1998: RELAY. FAILED. RELAY INSTALLED ON AIRCRAFT. FOUND TERMINALS 12 AND 13 AND TERMINALS 22 AND 23 HAD NO CONTINUITY IN REST POSITION. WHEN POWER IS APPLIED TO X1 AND X2, THEY HAVE - [SDR HEEA0016284](https://openairdocs.org/sdr/HEEA0016284), Oct 22, 1998: CONTROL UNIT. FAILED. DC CONTROL - GROUND FAULT WOULD NOT TEST. - [SDR HEEA0016282](https://openairdocs.org/sdr/HEEA0016282), Oct 22, 1998: CONTROL UNIT. FAILED. DC CONTROL WOULD NOT TEST ON START-UP. - [SDR HEEA0016253](https://openairdocs.org/sdr/HEEA0016253), Oct 21, 1998: OIL COOLER. LEAKING. OIL COOLER LEAKING. - [SDR HEEA0016250](https://openairdocs.org/sdr/HEEA0016250), Oct 21, 1998: PUMP. LEAKING. HYDRAULIC PUMP LEAKS FROM SEAL DRAIN. - [SDR HEEA0016036](https://openairdocs.org/sdr/HEEA0016036), Sep 11, 1998: BEARING. FAILED. BEARING FAILURE, FOUND METAL SHAVING ON SEALS AND ROUGH ROTATION. REPLACED WITH SERVICEABLE BEARINGS. - [SDR HEEA0015948](https://openairdocs.org/sdr/HEEA0015948), Sep 3, 1998: POTENTIOMETER. MALFUNCTIONED. CAUSED ACTUATOR TO BE INOPERATIVE. INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND POTS CAUSED ACTUATOR TO TEST OUT OF LIMITS ON TEST POINTS 9(Q) 3 & 5 (MECHANIC - [SDR 98ZZZX3596](https://openairdocs.org/sdr/98ZZZX3596), Aug 24, 1998: DETECTOR LOOP. FAILED. SHORTLY AFTER TAKEOFF, NR 1 ENGINE FIRE LIGHT ILLUMINATED. PILOT DEPLOYED FIRE BOTTLE AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND DEFECTIVE FLAME DETECTOR. R - [SDR HEEA0015584](https://openairdocs.org/sdr/HEEA0015584), Aug 14, 1998: AMPLIFIER. FAILED. NR 1 TORQUE INTERMITTENTLY STICKS WHEN PULLING POWER. - [SDR HEEA0014668](https://openairdocs.org/sdr/HEEA0014668), Jun 9, 1998: TIP CAP. BROKEN. MAIN ROTOR TIP CAP OUTER DOUBLER SEPARATED WITH FIBERGLASS BROKEN BETWEEN THE DOUBLER. - [SDR HEEA0010191](https://openairdocs.org/sdr/HEEA0010191), Jun 19, 1997: GENERATOR. FAILED. A/C GEN LIGHT CAME ON IN FLIGHT AND WOULD NOT RESET. - [SDR HAIHEEA9729](https://openairdocs.org/sdr/HAIHEEA9729), Apr 30, 1997: GENERATOR. FAILED. A/C GENERATOR WOULD NOT COME ON LINE. - [SDR HAIHEEA9581](https://openairdocs.org/sdr/HAIHEEA9581), Apr 24, 1997: GYRO. PRECESSES. PILOTS ADI PRECESSES. - [SDR HAIHEEA9296](https://openairdocs.org/sdr/HAIHEEA9296), Apr 1, 1997: AFCS CONTROL. FAIL TEST. AFCS CONTROL PANEL FAILED CONTINUITY TEST IN MAINT. MANUAL. - [SDR HEEA979124](https://openairdocs.org/sdr/HEEA979124), Feb 19, 1997: RECEIVER. ERRORS. PROVIDING HAZARDOUSLY MISLEADING INFORMATION TO THE FLIGHT CREW IS A MAJOR FAILURE CONDITION FOR THE AIRCRAFT. SINGLE LATENT FAILURES OF CDI DEVIATION OUTPUT WI - [SDR HEEA979123](https://openairdocs.org/sdr/HEEA979123), Feb 19, 1997: RECEIVER. ERRORS. PROVIDING HAZARDOUSLY MISLEADING INFORMATION TO THE FLIGHT CREW IS A MAJOR FAILURE CONDITION FOR THE AIRCRAFT. SINGLE LATENT FAILURES OF CDI DEVIATION OUTPUT WI - [SDR HEEA968807](https://openairdocs.org/sdr/HEEA968807), Dec 30, 1996: HEAT EXCHANGER. WELD LEAKS. HEAT EXCHANGER LEAKS AT WELD ALONG OUTER B-NUTLINE. - [SDR HEEA968019](https://openairdocs.org/sdr/HEEA968019), Oct 3, 1996: GENERATOR. FAILED. A/C BEARING LIGHT CAME ON IN FLIGHT. - [SDR HEEA967773](https://openairdocs.org/sdr/HEEA967773), Sep 3, 1996: FLOOR PANEL. MIS MFG. NEW FLOOR DOES NOT HAVE PROPER JOGGLE ON INBOARD AND FORWARD EDGES OF PANEL AS NEEDED TO GO BELOW (-051) LARGE FLOOR. - [SDR HEEA967772](https://openairdocs.org/sdr/HEEA967772), Sep 3, 1996: FLOOR PANEL. MIS REPAIRED. FLOOR PANEL WAS REPAIRED AND EXISTING INSERTS IN FLOOR PANEL WERE LEFT INSIDE OLD CORE MATERIAL AND NEW TOP SKINS WERE INSTALLED. THE OLD INSERTS INSIDE PANEL M - [SDR HEEA967771](https://openairdocs.org/sdr/HEEA967771), Sep 3, 1996: FLOOR PANEL. MIS REPAIRED. FLOOR PANEL WAS REPAIRED AND EXISTING INSERTS IN FLOOR PANEL WERE LEFT INSIDE OLD CORE MATERIAL AND NEW SKINS WERE INSTALLED. THE OLD INSERTS INSIDE THE PANEL M - [SDR HEEA967734](https://openairdocs.org/sdr/HEEA967734), Aug 30, 1996: TIP CAP. DEFECTIVE. TIP CAP HAS FIBERGLASS BROKEN BETWEEN INNER DOUBLER AND OUTER DOUBLER ON THE UPPER SURFACE. - [SDR HEEA967660](https://openairdocs.org/sdr/HEEA967660), Aug 16, 1996: TIP CAP. TEAR. INSPECTED BOTTOM SIDE ON M/R BLUE BLADE TIP CAP AND FOUND TEAR ON TIP CAP. SUSPECT AIR BUBBLE IN PAINT MATERIAL CAUSING TEAR. AIR BUBBLE IS NOTABLE. - [SDR HEEA967015](https://openairdocs.org/sdr/HEEA967015), Apr 17, 1996: BLADE. ERODED. PART IS ERODED. (EROSION THROUGH THE LEADING EDGE ABRASION STRIP ON PADDLE "B") - [SDR HEEA967014](https://openairdocs.org/sdr/HEEA967014), Apr 17, 1996: BLADE. ERODED. PART IS ERODED. (LEADING EDGE ABRASION STRIP HAS EROSION HOLE THROUGH THE STRIP. - [SDR HEEA966357](https://openairdocs.org/sdr/HEEA966357), Jan 4, 1996: BLADE. CRACKED. PART IS CRACKED. SPAR CRACK AT THE TIP. THE CRACK STARTED FROM THE OUTER HOLE FOR THE "C" BLOCK BOLT. SCRAPPED M/R BLADE. - [SDR HEEA956243](https://openairdocs.org/sdr/HEEA956243), Dec 13, 1995: ACTUATOR. DEFECTIVE. AFCS ACTUATOR HAS BAD POTS AND EXCESSIVE SHAFT END PLAY. - [SDR HEEA955855](https://openairdocs.org/sdr/HEEA955855), Oct 5, 1995: MODULE. DEFECTIVE. DURING OPS CHECK, NOTED ROTOR BRAKE MOTOR SOUNDED WEAK BUT SEEMED TO OPERATE NORMALLY. TWO DAYS LATER AIRCRAFT WAS FLOWN FOR FIRST TIME AND PILOT'S REPORTED ROT - [SDR HEEA955853](https://openairdocs.org/sdr/HEEA955853), Oct 5, 1995: CONTROL UNIT. DEFECTIVE. CONTROL UNIT VOLUME CONTROL WORKS EITHER FULL VOLUME OR OFF. NO CONTROLLING VOLUME. REPLACED R1/S5 VOLUME SWITCH. REPAIRED. FOUND THUMBWHEEL TO INTERMITTENTLY D - [SDR HEEA955370](https://openairdocs.org/sdr/HEEA955370), Jul 20, 1995: LORAN. DEFECTIVE. LIGHTS WILL NOT DIM. SENT TO ARNAV SYSTEMS FOR INSPECTION AND REPAIR. - [SDR HEEA955118](https://openairdocs.org/sdr/HEEA955118), Jun 2, 1995: NOZZLE. DEFECTIVE. RECEIVING INSPECTION OF NEW, NEVER INSTALLED 2ND STAGE NOZZLE INDICATES .009" RUNOUT IN BOTH TIP PATHS, DIAPHRAGM OFF CENTER. NOTE: DAMAGE TO KEYS AND TANGS BY - [SDR HEEA954446](https://openairdocs.org/sdr/HEEA954446), Mar 1, 1995: TRANSCEIVER. INOPERATIVE. WOULD NOT RECEIVE. - [SDR HEEA954335](https://openairdocs.org/sdr/HEEA954335), Feb 10, 1995: TRANSCEIVER. MALFUNCTION. UNIT SHUTS DOWN DURING WARM UP PERIOD. ## 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 NYC99FA140](https://openairdocs.org/ntsb/NYC99FA140), Jun 15, 1999: Sikorsky S-76A (N2743E), Jackson, KY, destroyed, 4 fatal. Probable cause: the failure of the PIC to adequately supervise the SIC, and maintain a positive climb. Factors were the fog and dark night. ## 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. - [Accident 19990614007009A](https://openairdocs.org/incident/19990614007009A), Jun 14, 1999: Skrsky S76A (N2743E), Jackson, KY, Destroyed, 4 fatal. (.4)The S-76A departed on a positioning flight with two pilots and two medical personnel onboard. Night instrument meteorological conditions prevailed with… - [Incident 19880810058279I](https://openairdocs.org/incident/19880810058279I), Aug 10, 1988: Skrsky S76A (N2743E), Houston, TX. NR2 engine losing oil pressure. Lights on master caution panel and oil pressure caution one. Idled engine. Returned - [Incident 19880809057689I](https://openairdocs.org/incident/19880809057689I), Aug 9, 1988: Skrsky S76A (N2743E), Houston, TX. NR2 engine losing oil pressure. Lights on master caution panel and oil pressure caution one. Idled engine. Returned ## Other aircraft with N2743E - [Cancelled 1982-08-26](https://openairdocs.org/deregistered/N2743E-1982-08-26): Aeronca 7AC, S/N 7AC6324, built 1946. Exported to Canada. Owner: [Weller Jr George K](https://openairdocs.org/faa-owner/WELLER%20JR%20GEORGE%20K), [Derby Line, VT](https://openairdocs.org/faa-place/VT/Derby%20Line) --- 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.