# Allison 250-C47M - Type: Engine model (FAA registry) - Registry code: 03110 - Manufacturer (registry): ALLISON - Model: 250-C47M - Engine type: Turbo-shaft - Power: 650 hp - Data sheet: [TCDS E1GL](https://openairdocs.org/tcds/E1GL) (OpenAirDocs) - Holder: Rolls-Royce Corporation - Installed in: 3 registered aircraft - Page: https://openairdocs.org/engine/allison-250-c47m Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2006-20-07](https://openairdocs.org/ad/2006-20-07): Adds an additional life limit for third- and fourth-stage turbine wheels · Rolls-Royce 250-C30, 250-C30G, 250-C30G/2 and 11 more. Effective Nov 2, 2006 - [AD 2006-16-04](https://openairdocs.org/ad/2006-16-04): Inspection of the fuel nozzle screen · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Sep 7, 2006 - [AD 2004-24-04](https://openairdocs.org/ad/2004-24-04): Hydromechanical unit (HMU) Power Lever Angle (PLA) potentiometer · Rolls-Royce 250-C30R/3, 250-C30R/3M, 250-C47B and 1 more. Effective Jan 3, 2005 - [AD 82-24-05](https://openairdocs.org/ad/82-24-05): Control Assembly and Power Turbine Governor Assembly · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Nov 26, 1982 Historical (superseded or no longer in force): - [AD 2004-24-09](https://openairdocs.org/ad/2004-24-09) (historical): Fuel nozzle · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 40 more. Effective Jan 5, 2005 - [AD 2003-13-10](https://openairdocs.org/ad/2003-13-10) (historical): Hydromechanical unit (HMU) power lever angle (PLA) · 250-C30R/3, 250-C30R/3M, 250-C47B and 1 more. Effective Jul 15, 2003 ## Information bulletins (advisory) (2) - [SAIB NE-06-12R1](https://openairdocs.org/saib/NE-06-12R1): . Issued Jan 13, 2006 - [SAIB NE-06-12](https://openairdocs.org/saib/NE-06-12) (historical): . Issued Dec 2, 2005 ## Registered aircraft (3) - [N420GC](https://openairdocs.org/aircraft/N420GC): built 2005, S/N RN053 - [N600ES](https://openairdocs.org/aircraft/N600ES): [Iron Horse Aviation LLC](https://openairdocs.org/faa-owner/IRON%20HORSE%20AVIATION%20LLC), [Newton, IA](https://openairdocs.org/faa-place/IA/Newton), S/N RN030 - [N70JR](https://openairdocs.org/aircraft/N70JR): [Aircraft Securities LLC](https://openairdocs.org/faa-owner/AIRCRAFT%20SECURITIES%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1997, S/N RN014 ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports None matched to aircraft with this engine model. ## Service difficulty reports (14) As reported by operators and repair stations, by the model named in the report. - [SDR EVCA202501270001](https://openairdocs.org/sdr/EVCA202501270001), Jan 16, 2025: EXHAUST DUCT. CRACKED. PILOT REPORTED A ENGINE CHIP LIGHT. AFTER LANDING OPENED UP ENGINE COWLING AND DISCOVERED VENT LINE WAS BROKEN. EXHAUST WAS CRACKED AND OIL STRUTT STANDOFF WAS - [SDR 2020F00346](https://openairdocs.org/sdr/2020F00346), Jul 27, 2020: ENGINE. FAILED. THE FRONT PASSENGER AND I DETECTED THE SMELL OF SMOKE IN THE FRONT OF THE CABIN AND SAW SMOKE RISING FROM UNDER THE FORWARD SEAT AREA. FROM APPROXIMATELY 250FT - [SDR 2017F00210](https://openairdocs.org/sdr/2017F00210), Sep 4, 2017: FITTING. SHEARED. THE PIC EXPERIENCED A WHINE IN THE ENGINE AND DECIDED TO LAND THE AIRCRAFT. UPON LANDING, THE ENG CHIP LIGHT ILLUMINATED. WHEN MAINTENANCE ARRIVED ENGINE OIL WA - [SDR 2017F00117](https://openairdocs.org/sdr/2017F00117), Jun 5, 2017: GEAR. CRACKED. MAIN ROTOR TRANSMISSION OIL PRESSURE LIGHT ILLUMINATED DURING FLIGHT. IMMEDIATELY LANDED AIRCRAFT AND FOUND NO OIL PRESSURE BEING SUPPLIED BY LUBE PUMP. ON FURT - [SDR 2016FA0000033](https://openairdocs.org/sdr/2016FA0000033), Jan 7, 2016: BLADES. FAILED. AIRCRAFT PICKED UP TO A HOVER AND PILOT HEARD A LOUD SHUDDER NOISE AND PUT AIRCRAFT ON GROUND. ON INSPECTION, FOUND ALL 13 NOTAR FAN BLADES DESTROYED WITH DAMAG - [SDR 11RR201409190001](https://openairdocs.org/sdr/11RR201409190001), Sep 19, 2014: LINE. DETERIORATED. OIL LINE FROM TRANSMISSION TO OIL COOLER BEGAN LEAKING AT SWEDGED FITTING ON THE TRANSMISSION SIDE. OIL WAS INJESTED INTO THE OIL COOLER BLOWER AND CAUSED FUMES - [SDR CA081201009](https://openairdocs.org/sdr/CA081201009), Nov 28, 2008: ANGLE. CRACKED. (CAN) FUSELAGE ANGLE FOUND CRACKED DURING A TAILBOOM INSPECTION. PART IS NOT READILY VISIBLE OR A PLACE OF INTEREST DURING INSPECTIONS AND MAY HAVE GONE SOME TI - [SDR CA081201008](https://openairdocs.org/sdr/CA081201008), Sep 19, 2008: CHIP DETECTOR. CRACKED. (CAN) BOTH TEDESCO B7936S CHIP DETECTOR BASES FOUND CRACKED AT BASE OF O-RING FLANGE. CAUSED BY OVERTORQUE DURING AN EARLIER INSTALLATION. CRACKS NOT VISIBLE UN - [SDR CA060608006](https://openairdocs.org/sdr/CA060608006), Mar 21, 2006: TAIL BOOM. SEPARATED. (CAN) AIRCRAFT INVOLVED IN EXTERNAL LIFT OPERATIONS. TAIL BOOM ASSY SEPARATED FROM FUSELAGE IN FLIGHT, AIRCRAFT CRASHED ON RT SIDE OF FUSELAGE IN A REMOTE CLEAR - [SDR CA060608005](https://openairdocs.org/sdr/CA060608005), Jan 30, 2006: IMPELLER. CRACKED. (CAN) PILOT REPORTED HIGH TURBINE TEMPERATURES IN FLIGHT, RETURNED TO MAINTENANCE FACILITY AND FOUND CRACK IN COMPRESSOR SCROLL AREA UPON VISUAL INSPECTION AFTE - [SDR HEEA087461](https://openairdocs.org/sdr/HEEA087461), Jun 12, 2003: IGNITER. CONTAMINATED. ENGINE LIGHT OFF LATE. IGNITER HAS CARBON BUILD UP. REPLACED IGNITER. - [SDR AUS20030692](https://openairdocs.org/sdr/AUS20030692), May 2, 2003: BULKHEAD. CRACKED. (AUS) FUSELAGE BULKHEAD CRACKED AT TOP RT TAIL BOOM FITTING BRACKET.FOUND DURING INSPECTION IAW AD/HU389/108. - [SDR AUS20020750](https://openairdocs.org/sdr/AUS20020750), Jul 15, 2002: ENGINE. FAILED. (AUS) ENGINE PROBLEM. LIMITED INFORMATION PROVIDED. - [SDR CA010626007](https://openairdocs.org/sdr/CA010626007), May 27, 2001: BLADE. CRACKED. (CAN) A/C STOPPED FOR REFUELING, DUE TO THE TQ EVENTS THAT HAD BEEN ACCUMULATED, (160) THE PILOTS CARRIED OUT A BLADE TORQUE EVENT INSPECTION I.A.W. SB600N-031. ## STCs that may be installed (OpenAirDocs) (1) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE578GL](https://openairdocs.org/stc/SE578GL): Installation of a fuel flow transducer. Shadin Avionics --- 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.