Alliedsign TFE731-40

Service difficulty reports · 85

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'TFE73140'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR FVJA202505287730Pump · faultedENGINE OIL PRESSURE CLIMBED INTO RED ZONE ON INDICATOR AND WOULD NOT RESPOND TO THROTTLE CHANGES. PAX REPORTED EVIDENCE OF SMOKE IN THE CABIN. CREW SHUT DOWN ENGINE AND DIVERTED TO KACY. WE SUSPECT OIL PUMP MAY BE THE CULPRIT FOR HIGH OIL PRESSURE.May 20, 2025 · N600LY · Amd FALCON50MYST · Turbine Engine Oil SystemSDR 2020FA0000521Oil System · malfunctionedWE HAD TO MANUALLY SHUT THE LEFT ENGINE DOWN TO 616KK. ON DECENT THROUGH THE MID 30'S, WE BEGAN TO EXPERIENCE A LEFT ENGINE PRESSURE SWING VARYING BETWEEN OVER 100 PSI TO AS LOW AS 20PSI. AT THIS TIME, WE ELECTED TO REDUCE THE POWER ON THE LEFT ENGINE TO SEENov 2, 2020 · N616KK · Lear 45LEAR · Turbine Engine Oil SystemSDR BONA20201002001Fire Loop · false indicationDURING CLIMBOUT AT APPROXIMATELY 42,000 FEET, CREW OBSERVED A LT ENGINE FIRE WARNING. THEY REDUCED POWER ON THE AFFECTED ENGINE AND THE WARNING CLEARED WITHOUT ANY FURTHER ACTION. CREW ELECTED TO RETURN TO BASE AND LANDED WITHOUT INCIDENT. AFTER LANDING, MASep 29, 2020 · N816FG · Lear 45LEAR · Fire DetectionSDR CA151208006Pump · leaking(CAN) LOSS OF MAIN HYDRAULIC SYSTEM PRESSURE. NEITHER ENGINE DRIVEN PUMP WERE ABLE TO MAINTAIN SYSTEM PRESSURE. UPON INSPECTION, FOUND BOTH PUMPS TO HAVE LEAKAGE AT SHAFT SEAL CASE DRAINS.Dec 4, 2015 · Gulstm G100 · Hydraulic Pump (Electric/Engine), MainSDR CA150924006Lever · unsecure(CAN) A SPECIAL INSPECTION OF THE SPOILER RVDT ADJUSTABLE LEVER ASS`Y WAS CARRIED ON AIRCRAFT 45-467. THIS INSPECTION REVEALED NO SAFETY WIRE WAS INSTALLED ON THE TWO JAMNUTS ON THE LH SPOILER RVDT ADJUSTABLE LEVER ASS`Y. THE JAMNUTS WERE STILL TIGHT AND THE Sep 24, 2015 · Lear 45LEAR · Drag Control SystemSDR JGVR20150217001Gasket · failedDURING ENGINE REMOVAL FOR MPI, FOUND THE NR 2 ENGINE HP BLEED AIR DUCT ASSY 90 DEGREE CONNECTION, WITH A BLOWN OUT GASKET AND THE LEAKING BLEED AIR MELTED A PORTION THE FAN BYPASS DUCT. SB 150-71-154, POWERPLANT - ENGINE HIGH PRESSURE (HP) AIR DUCT ASSY, SBJ1Feb 17, 2015 · N636SF · Gulstm G150 · Engine Bleed Air SystemSDR CA130823010Shroud · misinstalled(CAN) DURING MAINTENANCE PERFORMING AN APU REMOVAL, THE APU EXHAUST STUB WAS FOUND INCORRECTLY INSTALLED. THIS LEAD TO HOT EXHAUST ON THE FRAME AT BS 492.75 ON THE RT SIDE OF THE ACFT AND CARBON DEPOSITS EVIDENT THROUGHOUT THE TAILCONE, HORIZ/VERT STABILIZERSAug 21, 2013 · Israel ASTRASPX · APU Exhaust SystemSDR CA130221004Apu · shutdown(CAN) PILOT HAD UN-COMMANDED SHUTDOWN OF APU ON THE GROUND. APU WOULD NOT RESTART AFTER. MAINTENANCE DIAGNOSTIC COMPUTER SHOWED HIGH APU OIL TEMPERATURE. INSPECTED APU OIL TEMPERATURE SENDER FOUND OK. FOUND OIL FILTER BYPASS INDICATION PIN EXTENDED. REMOVEFeb 14, 2013 · Gulstm G100 · APU Core EngineSDR CA130121013Exciter · failed(CAN) ENGINE DEEC DOWNLOAD C/O. FOUND "IGN B FAULT" CHANNEL B OF IGNITION EXCITER FAILED.Jan 18, 2013 · Gulstm G100 · ExciterSDR CA130110002Frame · burned(CAN) GROUND CABLE FOR GPU PLUG ARCED OUT AT ANCHOR NUT BURNING FRAME UNDER ANCHOR NUT AND CAUSED RIVETS TO COME LOOSE. GPU PLUG FAILED INTERMITTENTLY CAUSING FURTHER INVESTIGATION TO FIND CAUSE. REPAIRED 2013/01/10 ADDITIONAL INFORMATION CAN BE FOUND IN RDIDec 31, 2012 · Israel ASTRASPX · Fuselage Main, StructureSDR CA121231003Relay · defective(CAN) PRIMARY PITCH TRIM FAILED TO TRIM NOSE UP, RELAY 72C FOUND DEFECTIVE AND REPLACED.Dec 14, 2012 · Gulstm G100 · Flight Control SystemSDR CA121121003Bottle · failed(CAN) DURING ROUTINE DI, NOTICED EMERGENCY BLOW DOWN BOTTLE WAS INDICATING ZERO. INVESTIGATION REVEALED BOTTLE HAD FAILED AT CONNECTION MANIFOLD ASSY. BOTTLE CONTAINS 3000 PSI NITROGEN.Nov 21, 2012 · Israel ASTRASPX · Landing Gear Retraction/Extension SystemSDR CA121004001Transducer · weak(CAN) N2 TRANSDUCER SIGNAL WAS WEAK, OUT OF LIMITS THIS CAUSED THE DEEC TO REDUCE FUEL FLOW. REPLACEMENT OF N2 TRANSDUCER CORRECTED ISSSUE.Aug 28, 2012 · Gulstm G100 · Fuel Controlling SystemSDR CA120503006Actuator · leaking(CAN) NOTICED HYDRAULIC FLUID LEAKING FROM SINTERED PLUG AT END OF ACTUATOR. REPLACED ACTUATOR WITH REPAIRED UNIT.Apr 17, 2012 · Gulstm GULFSTREAMGV · Landing Gear ActuatorSDR CA120221010Starter Gen · overheated(CAN) GENERATOR OVERHEAT INDICATION IN COCKPIT. CREW SHUTOFF GENERATOR. POST FLIGHT INDICATION OF GENERATOR BEARING FAILURE.Feb 19, 2012 · Gulstm GULFSTREAMGV · Starter-GeneratorSDR PJEA2011F00000Windshield · crackedUPON LANDING, AFTER AN UNEVENTFUL .8 HR NIGHT FLIGHT. PILOTS REPORTED THAT THE RT WINDSHIELD WAS CRACKED HALF WAY AROUND. AFTER FURTHER INVESTIGATION IT WAS DETERMINED THAT THE CRACK WAS LIMITED TO THE OUTER PAIN. A SPECIAL FLIGHT PERMIT WAS OBTAINED AND THNov 7, 2011 · N108CG · Israel ASTRASPX · Flight Compartment WindowsSDR BKEA2012F00005Drive Unit · inoperativeFLAPS WOULD NOT RETRACT AFTER TAKEOFF. AIRCRAFT DIVERTED FOR MAINTENANCE. FOUND DRIVE UNIT INOPERATIVE.Nov 2, 2011 · N787BN · Gulstm G150 · Trailing Edge Flap Control SystemSDR 2011FA0000682Selector Valve · failedCREW WAS PERFORMING NIGHT PROFICIENCY FLIGHT. UPON 1ST LANDING, AIRCRAFT TAXIED AROUND FOR SECOND TAKEOFF. ON POWER UP FOR TAKEOFF ROLL, THE RIGHT ENGINE THRUST REVERSER HAD AN UNCOMMANDED DEPLOYMENT. CREW ABORTED TAKEOFF. RIGHT REVERSER WOULD NOT STOW. AOct 12, 2011 · N480JJ · Gulstm G150 · Engine Thrust ReverserSDR CA111004008Igniter · cracked(CAN) APU IGNITER PLUG, WAS FOUND CRACKED ON THE END SHELL BETWEEN THE TIP AND THREADED PORTION. THE DEFECT WAS DISCOVERED DURING THE SCHEDULED MX CHECK OF THE APU IGNITER AND WAS REPLACED.Oct 1, 2011 · Gulstm G100 · APU Start/Ignition SystemSDR CA111003008Plug · sheared(CAN) MAIN HYD TANK DRAIN PLUG SHEARED/SEPARATED AT O-RING GROVE THREADS REMAINED IN TANK AND PLUG HEAD FELL OFF. PLUG IS DRILLED FOR A MAGNET SO THREADED PORTION IS HOLLOW.Sep 26, 2011 · Gulstm G100 · Hydraulic Reservoir, MainSDR CA110822015Seal · failed(CAN) DURING TAXI, CREW NOTICED CAVITATING SOUND FOLLOWED VERY SHORTLY AFTER BY A LT & RT HYD LOW PRESSURES LIGHTS ILLUMINATING. THE LOW MAIN HYD RESERVOIR LIGHT HAD LIKELY ILLUMINATED NEAR THE SAME TIME. THE CREW BROUGHT THE ACFT TO A STOP USING AUXILLARY Aug 5, 2011 · Gulstm G150 · Hydraulic Pump (Electric/Engine), MainSDR CA110822016Clamp · loose(CAN) DURING CLIMB ALL PRESSURIZATION SEEMED NORMAL AND AT THE 18,000 CHECK SCHEDULING WAS NORMAL. AT 32,000 FT THE CREW GOT A CABIN ALTITUDE WARNING AND THE OXYGEN MASKS DEPLOYED. THE CREW DECENDED THE ACFT AND RETURNED TO DEPARTURE. THE CREW NOTICED SOME Jul 31, 2011 · Gulstm G100 · Cabin Pressure Control SystemSDR CA110913005Gps · failed(CAN) CREW NOTICED THAT THE GPS TIME/DATE STAMP HAD RESET ITSELF TO THE ORIGINAL 1992 ALGORITHM. ONCE ACFT WOW: WENT "BLACK" ACFT, PULLED BOTH GPS C/B`S, POWERED ACFT, INITIALIZED TIME/DATE STAMP IN FMS`S, RESET GPS C/B`S. WHEN GPS`S INITIALIZED THEY WENT THRJul 8, 2011 · Gulstm G100 · Global Positioning SystemSDR CA110913006Gps · failed(CAN) CREW NOTICED THAT THE GPS TIME/DATE STAMP HAD RESET ITSELF TO THE ORIGINAL 1992 ALGORITHM. ONCE AIRCRAFT W.O.W: WENT "BLACK" AIRCRAFT, PULLED BOTH GPS C/B`S, POWERED A/C, INITIALIZED TIME/DATE STAMP IN FMS`S, RESET GPS C/B`S. WHEN GPS`S INITIALIZED THEY Jul 8, 2011 · Gulstm G100 · Global Positioning SystemSDR CA110913007Circuit Card · failed(CAN) CREW NOTICED THAT THE GPS TIME/DATE STAMP HAD RESET ITSELF TO THE ORIGINAL 1992 ALGORITHM. ONCE ACFT WOW: WENT "BLACK" ACFT, PULLED BOTH GPS C/B`S, POWERED ACFT, INITIALIZED TIME/DATE STAMP IN FMS`S, RESET GPS C/B`S. WHEN GPS`S INITIALIZED THEY WENT THRJul 8, 2011 · Gulstm G100 · Navigation SystemSDR 2011FA0000229Starter Gen · vibrationSTARTER GENERATOR DEVELOPED VIBRATIONS IN FLIGHT. STARTER GEN CONTINUED TO WORK. AFTER REMOVAL, AT FIRST LOOK IT SEEMED THAT BEARING HAD DETERIORATED. MFG TOOK STARTER GENERATOR FOR TEARDOWN.Mar 6, 2011 · N769MS · Gulstm G150 · Starter-GeneratorSDR CA101202011Bracket · crackedFOUND BOTH AIR SPRING UPPER SUPPORT BRACKETS ON AIR STAIR DOOR CRACKED DURING A C-CHECK. ALTHOUGH NOT A SAFETY OF FLIGHT ISSUE, THIS IS THE SECOND OF OUR ACFT TO HAVE THIS BRACKET FAIL. HAD 1 FAIL IN THE SUMMER OF 2010, WHICH WE FEEL DID NOT WARRANT AN SDR, Dec 2, 2010 · Gulstm G100 · Passenger/Crew DoorsSDR A8JA0006Fire Detector · defectiveAFTER RECEIVING TAKEOFF CLEARANCE, THE CREW POSITIONED THE ACFT FOR TAKEOFF AND INITIATED THE APU SHUTDOWN SEQUENCE IAW THE TAKEOFF CHECKLIST. UPON REACHING TAKEOFF POSITION, THE CREW OBSERVED AN "APU FIRE" MASTER CAUTION AND A TRIPLE CHIME. THE CREW EXITED Jul 16, 2010 · N722SW · Gulstm G150 · Fire DetectionSDR 2010FA0000579Hydraulic System · fluid lossLOSS OF MAIN HYD SYSTEM FLUID AND LT GEN.Jun 16, 2010 · Gulstm G150 · Hydraulic System, MainSDR 2010FA0000627Windshield · crackedRT WINDSHIELD OUTSIDE CRACK FOUND WHEN ACFT DESCENT FROM FL430 TO FL250 ,AND THEN TURNOFF THE WINDSHIELD HEATER, NO-PERSSURE LOSS, AND SAFE LANDING BACK HOME.THE SIGN SHOWS AND DOES NOT STRIKE AS THE SUFFERING EXTERNAL FORCE.Jun 14, 2010 · Gulstm G100 · Flight Compartment WindowsSDR CA100614007Retainer · brokenDURING POST FLIGHT INSP, FOUND BROKEN TAB RETAINER IN LOWER COWLING. FURTHER INVESTIGATION REVEALED THE TAB WAS FROM THE OIL COOLER SUPPLY LINE HOLD DOWN RETAINER. THE RETAINER IS USED ON OIL LINE, PN 3060997-1. THE SECOND RETAINER WAS ALSO REPLACED AS IT SJun 11, 2010 · Gulstm G100 · Turbine Engine Oil SystemSDR 2010FA0000632Brake · wornNR 1 BRAKE ASSY WORN BEYOND LIMITS AFTER ONLY 19.1 HRS AND 10 CYCLES SINCE O/H UNDER W/O RC1997713.1 DATED 3/22/10. INSTALLED O/H BRAKE ASSY PN 5006575-1, SN MAR03-59, O/H UNDER W.O WP194532/1 DATED APR 13, 2010. OPS CK SATISFACTORY.May 12, 2010 · N928ST · Gulstm G150 · Landing Gear Brake SystemSDR BKE2010F00000Fitting · failedAPPROX 11:30 PST, FLIGHT LEVEL 390, CAPTAIN REPORTED FLUCTUATING OIL PRESSURE, SECURED RT ENGINE AND DIVERTED. DISPATCHED MX CREW TO ACFT, INSP REVEALED OIL PRESSURE FITTING ON THE FWD 4 OCLOCK POSITION VIEWED FWD, HAD PULLED THE THREADS OUT OF THE HSG. THE Apr 16, 2010 · N787BN · Gulstm G150 · Turbine Engine Oil SystemSDR CA100208001Line · cracked(CAN) THE ACFT WAS ENROUTE WHEN IT EXPERIENCED A LOSS OF NR 1 HYD PUMP, PRESSURE FOLLOWED SHORTLY THEREAFTER BY LOW HYD RESERVOIR AND LOW NR 2 HYD PUMP PRESSURE. THE CREW CARRIED OUT QRH PROCEDURES AND RETURNED TO BASE. THE AUXILIARY HYD PUMP FUNCTIONED PROPERFeb 5, 2010 · Hydraulic System, MainSDR BKEA201001181Line · unserviceablePILOT REPORTED AT 40K FT, ABOUT 4 HOURS INTO THE FLIGHT BACK, WHEN THEY HAD A VIBRATION. PILOT NOTICED A SPLIT IN THE GENERATORS AND AN INCREASE IN VIBES ON THE RT ENGINE. AFTER A FEW MINUTES THE GENERATORS WENT BACK TO ABOUT A 5 VOLT SPLIT. AFTER ABOUT ANOJan 18, 2010 · N787BN · Gulstm G150 · Hydraulic System, MainSDR 2009FA0001043Starter Gen · failedSTARTER GENERATOR FAILED, NO INDICATION OF VOLTAGE PRESENT. PN 23065-018-1, SN 98004. REMOVED AND REPLACED STARTER GENERATOR, SYS OPS CHECK GOOD IAW AMM 24-30-02. ACFT HAD A PREVIOUS FAILURE OF THE HYD SUCTION LINE WHICH HAD RUPTURED. DETAIL REPORT ON THAT PDec 17, 2009 · N749GA · Gulstm G100 · Starter-GeneratorSDR 2009FA0001044Pump · leakingDISCOVERED A LARGE AMOUNT OF HYDRAULIC FLUID HAD LEAKED FROM THE RT ENG. FURTHER INVESTIGATION SHOWED A LEAK COMING FROM THE RT HYD PUMP CASE DRAIN INDICATING THAT THE HYD PUMP HAD INTERNALLY FAILED. REMOVED AND REPLACED HYD PUMP, PN 4018301, SN AL212AB IAW Dec 17, 2009 · N149GA · Gulstm G100 · Hydraulic Pump (Electric/Engine), MainSDR CA090501002Motor · shorted(CAN) ON APPROACH FLAPS WOULD NOT EXTEND PAST 12 INCHES. FLAPS WOULD NOT RETRACT AFTER LANDING. FLAP/SLAT ELECTRONIC CONTROL UNIT HAD LOCKED OUT FLAPS DUE TO POWER DRIVE UNIT OVERHEAT FLAG. POWER DRIVE UNIT MOTOR FOUND SHORTED TO CASE. NEW POWER DRIVE UNApr 28, 2009 · Trailing Edge Flap ActuatorSDR CA090225001Flex Line · burst(CAN) DURING CLIMB OUT THROUGH 1000` THE CREW REPORTED A BANG LIKE A BALLOON POPING. THE "DOOR SEAL" ANNUNCIATOR ILLUMINATED AND THEN THERE WAS AN INCREASE IN AIR NOISE. AFTER LANDING INVESTIGATION REVEALED THAT THE INLET FLEX LINE HAD SPLIT CAUSING THE DOOR SFeb 20, 2009 · Gulstm G100 · Passenger/Crew DoorsSDR CA090130011Actuator · malfunctionedAFTER TAKEOFF THE GEAR LANDING GEAR WAS SELECTED UP. ALL 3 "DOWN AND LOCKED" LIGHTS EXTINGUISHED BUT THE "IN TRANSIT" RED LIGHT REMAINED ILLUMINATED AND THE TOWER REPORTED THAT THE RIGHT MAIN GEAR WAS STILL EXTENDED. THE LANDING GEAR WAS SELECTED DOWN. THE Jan 23, 2009 · Gulstm GULFSTREAMGV · Landing Gear ActuatorSDR 2008FA0000904Turbine Blades · damagedTHE THIRD STAGE LP TURBINE DISK ON NR 2 ENG HAD A BLADE (PN 30606901) BREAK IN FLIGHT DAMAGING THE EXHAUST NOZZLE AND THE AFTER BODY OF THE ENG. THE BLADES OF THE TURBINE DISK HAD A 2500 HOUR MPI REQUIRED EDDY CURRENT INSP COMPLETED AT 2458.6 TSN AND 1979 CSNDec 9, 2008 · N373RS · Amd FALCON50MYST · Turbine SectionSDR CA080924007Line · chafed(CAN) DURING INSP IN THE RT WW THE MAIN FUEL LINE TO THE RT ENGINE WAS FOUND TO BE CHAFING ON THE LAV SINK HEATED DRAIN LINE. THE DAMAGE WAS BEYOND LIMITS AND THE FUEL LINE WAS REPLACED.Sep 24, 2008 · Aircraft Fuel Distribution SystemSDR CA080924008Line · chafed(CAN) IT WAS REPORTED THAT FUEL WAS SLOWLY TRANSFERRING FROM THE RT WING INTO THE CENTER TANK WHEN THE ACFT WAS STATIC. THE MOTIVE FLOW LINE PN 25W653120-634 AT THE CENTRAL TANK LOWER TRANSFER JET PUMP WAS FOUND TO BE CHAFING ON THE FUEL QTY PROBE MOUNTING BRSep 24, 2008 · Aircraft Fuel Distribution SystemSDR CA080903009Fitting · leaking(CAN) WHILE CARRYING OUT AN AUTO SLAT CHECK, DURING AN A-CHECK, THE STATIC SYS WAS REQUIRED TO SIMULATE 25,000 FT AGL. AN EXCESSIVE LEAK RATE WAS NOTICED ON THE NR1 SIDE AND ISOLATED TO THE FLEX LINE AT THE NR1 ADC STATIC FITTING. UPON FINDING THE NR1 SYS PROBSep 3, 2008 · Pitot/Static SystemSDR CA080818003O-Ring · failed(CAN) RT BLEED LEAK LIGHT ILLUMINATED IN CLIMB OUT. AC RETURNED TO BASE. CONFIRMED LT BLEED LEAK ON GROUND DURING HIGH POWER ENGINE RUNS. COULD NOT DUPLICATE RT BLEED LEAK ON GROUND. FOUND BOTH BLEED SWITCHING VALVES LEAKING FROM REGULATOR FITTING ASSY. DUE TAug 6, 2008 · Israel ASTRASPX · Engine Bleed Air SystemSDR CA080808004Line · cracked(CAN) ON APPROACH INTO TORONTO PEARSON THE CREW NOTICED THAT THE AUX HYDRAULIC LOW PRESSURE ANNUNCIATOR AND FLUID LOW LEVEL LIGHT ILLUMINATED ON THE ACFT. AFTER STABILIZING THEIR APPROACH, ALL LIGHTS WENT OUT. AFTER LANDING THE LOW LEVEL LIGHT CAME ON ONCE AGAJul 22, 2008 · Hydraulic System, MainSDR CA080627003Fitting · loose(CAN) ON DESCENT THE LT AND RT HYDR PUMP LIGHTS FLICKERED ON AND OFF. LOW HYD RESERVOIR ALSO ILLUMINATED. ALL SYS FUNCTIONED NORMAL AND AFTER ACFT WAS STABILIZED ON APPROACH NO FURTHER LIGHTS WERE SEEN DURING OR AFTER LANDING. UPON A POST FLIGHT WALK AROUND HJun 25, 2008 · Gulstm · Hydraulic System, MainSDR 2007FA0000870Blade · brokenBROKEN TURBINE BLADE. ENGINE SENT TO MFG FOR INVESTIGATION. (K)Sep 12, 2007 · N115SK · Amd FALCON50MYST · Engine (Turbine/Turboprop)SDR CA070907002Hose · cracked(CAN) DURING PITOT STATIC CHECKS IT WAS FOUND THE SYSTEM WAS SLIGHTLY LEAKING. FURTHER VISUAL INSPECTION FOUND THE STATIC HOSE GOING TO THE ADC WAS WEATHER CRACKED AND LEAKING NEAR THE FITTING. THE HOSE WAS MFG THE FIRST QUARTER OF 2001.(1Q01).(25W752005-063H)Sep 6, 2007 · Gulstm GULFSTREAMGV · Pitot/Static SystemSDR CA071212001Engine · making metal(CAN) ON DESERT TO BASE CREW NOTICED NR 2 ENGINE OIL PRESSURE AND TEMPERATURE CLIMBING, POWER REDUCED TO IDLE. OIL PRESSURE DROPPED TO BELOW MINIMUMS (IN YELLOW ARC). CREW PERFORMED PRECAUTIONARY SHUTDOWN AND LANDED NORMALLY. SUBSEQUENT INVESTIGATION REVEALEDec 27, 2006 · Amd FALCON50MYST · Engine (Turbine/Turboprop)
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