# Allison 250-C10D - Type: Engine model (FAA registry) - Registry code: 03035 - Manufacturer (registry): ALLISON - Model: 250-C10D - Engine type: Turbo-shaft - Power: 317 hp - Data sheet: [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (OpenAirDocs) - Holder: Rolls-Royce Corporation - Installed in: 13 registered aircraft - Page: https://openairdocs.org/engine/allison-250-c10d 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 2006-16-04](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 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 - [AD 72-03-06](https://openairdocs.org/ad/72-03-06): Turbine Wheels · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 9 more. Effective Feb 8, 1972 - [AD 69-18-04](https://openairdocs.org/ad/69-18-04): Torquemeter Shaftgear · Rolls-Royce 250-C10 (T63-A-5), 250-C10B (T63-A-5A), 250-C10D (T63-A-700) and 4 more. Effective Oct 18, 1969 - [AD 69-18-02](https://openairdocs.org/ad/69-18-02): Internal Splines · Rolls-Royce 250-C10 (T63-A-5), 250-C10B (T63-A-5A), 250-C10D (T63-A-700) and 4 more. Effective Sep 3, 1969 ## Registered aircraft (13) - [N153SA](https://openairdocs.org/aircraft/N153SA): [Hodges Terry A](https://openairdocs.org/faa-owner/HODGES%20TERRY%20A), [West Branch, MI](https://openairdocs.org/faa-place/MI/West%20Branch), built 1968, S/N 68-16711 - [N174EC](https://openairdocs.org/aircraft/N174EC): [Bingham Larry F](https://openairdocs.org/faa-owner/BINGHAM%20LARRY%20F), [Juneau, AK](https://openairdocs.org/faa-place/AK/Juneau), built 1969, S/N 791246 - [N298SD](https://openairdocs.org/aircraft/N298SD): [Csw LLC](https://openairdocs.org/faa-owner/CSW%20LLC), [Anacoco, LA](https://openairdocs.org/faa-place/LA/Anacoco), built 1968, S/N 280332 - [N369LE](https://openairdocs.org/aircraft/N369LE): [City Of Oxford Alabama Police Department](https://openairdocs.org/faa-owner/CITY%20OF%20OXFORD%20ALABAMA%20POLICE%20DEPARTMENT), [Oxford, AL](https://openairdocs.org/faa-place/AL/Oxford), built 1968, S/N 68-17241 - [N46SP](https://openairdocs.org/aircraft/N46SP): [Kentucky State Police](https://openairdocs.org/faa-owner/KENTUCKY%20STATE%20POLICE), [Frankfort, KY](https://openairdocs.org/faa-place/KY/Frankfort), built 1968, S/N 1280950 - [N47267](https://openairdocs.org/aircraft/N47267): [Mckee John R](https://openairdocs.org/faa-owner/MCKEE%20JOHN%20R), [Central Point, OR](https://openairdocs.org/faa-place/OR/Central%20Point), built 1969, S/N 68-17267 - [N546](https://openairdocs.org/aircraft/N546): [Moore Lewis D Jr](https://openairdocs.org/faa-owner/MOORE%20LEWIS%20D%20JR), [Bear Creek, NC](https://openairdocs.org/faa-place/NC/Bear%20Creek), built 1997, S/N HA001 - [N56TW](https://openairdocs.org/aircraft/N56TW): [Mckee John](https://openairdocs.org/faa-owner/MCKEE%20JOHN), [Central Point, OR](https://openairdocs.org/faa-place/OR/Central%20Point), built 1968, S/N 1180880 - [N658JL](https://openairdocs.org/aircraft/N658JL): [Lauderdale Aeronautics LLC](https://openairdocs.org/faa-owner/LAUDERDALE%20AERONAUTICS%20LLC), [Davie, FL](https://openairdocs.org/faa-place/FL/Davie), built 1969, S/N 691194 - [N818SC](https://openairdocs.org/aircraft/N818SC): [Hartland Helicopters LLC](https://openairdocs.org/faa-owner/HARTLAND%20HELICOPTERS%20LLC), [Edinburg, TX](https://openairdocs.org/faa-place/TX/Edinburg), built 1967, S/N 770093 - [N9117H](https://openairdocs.org/aircraft/N9117H): [Brown Helicopter Inc](https://openairdocs.org/faa-owner/BROWN%20HELICOPTER%20INC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1969, S/N 791239 - [N96SH](https://openairdocs.org/aircraft/N96SH): [Valiair Limited Company Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LIMITED%20COMPANY%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 1964, S/N 2927 - [N99888](https://openairdocs.org/aircraft/N99888): [Combat Rotors LLC](https://openairdocs.org/faa-owner/COMBAT%20ROTORS%20LLC), [Eugene, OR](https://openairdocs.org/faa-place/OR/Eugene), built 1969, S/N 391105 ## NTSB investigations (12) 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 CEN20LA187](https://openairdocs.org/ntsb/CEN20LA187), May 20, 2020: Bell OH-58A (N153SA), West Branch, MI, substantial damage. Probable cause: The pilot's failure to maintain rotor rpm during a precautionary autorotation, which resulted in a hard landing. Contributing to the accident was the airframe vibration for reasons that could not be… - [NTSB CEN17LA336](https://openairdocs.org/ntsb/CEN17LA336), Sep 2, 2017: Hughes 369A (N50MP), Burnet, TX, substantial damage. Probable cause: The pilot's inadequate inflight decision making, which resulted in a total loss of engine power due to fuel exhaustion. - [NTSB GAA16LA182](https://openairdocs.org/ntsb/GAA16LA182), Apr 8, 2016: Hughes 369 (N298SD), Weatherford, TX, substantial damage. Probable cause: The pilot/mechanic's inadequate postmaintenance and preflight inspections, which resulted in his failure to remove the antitorque pedal lock and a subsequent loss of control during hover operations. - [NTSB ERA13LA022](https://openairdocs.org/ntsb/ERA13LA022), Oct 13, 2012: Hughes/Helicopter Assocs 369A (N546), West Chester, PA, substantial damage. Probable cause: The pilot’s failure to see and avoid the preceding helicopter while maneuvering for landing. Contributing to the accident were the flight lead pilot’s inadequate preflight briefing and in-flight… - [NTSB CEN11LA370](https://openairdocs.org/ntsb/CEN11LA370), May 25, 2011: Bell 47G-3B-1 (N96SH), Lakeville, MN, substantial damage. Probable cause: The loss of engine power due to a loose B-nut on the compressor discharge pressure bleed line. - [NTSB ANC09LA110](https://openairdocs.org/ntsb/ANC09LA110), Sep 29, 2009: Hughes 369A (OH-6A) (N501SU), Palmer, AK, substantial damage. Probable cause: A partial loss of engine power after take off for an undetermined reason, which resulted in a hard landing. - [NTSB CEN09CA332](https://openairdocs.org/ntsb/CEN09CA332), May 30, 2009: Hughes 369A (N298SD), Baltimore, OH, substantial damage. Probable cause: The pilot's failure to attain a proper touchdown point, and his decision not to perform a go-around. - [NTSB ANC04LA087](https://openairdocs.org/ntsb/ANC04LA087), Aug 6, 2004: Hughes OH-6A (N243D), Anchorage, AK, substantial damage. Probable cause: A loss of tail rotor effectiveness during aerial taxi, and the pilot's delayed remedial action to counteract a rapid right yaw, which resulted in an in-flight loss of directional control, and… - [NTSB ATL01LA070](https://openairdocs.org/ntsb/ATL01LA070), Jul 3, 2001: Hughes 369A (N539), Wadesboro, NC, substantial damage. Probable cause: The pilot's inadequate pre-flight planning which resulted in fuel exhaustion and the subsequent loss of engine power. A factor was rough and uneven terrain. - [NTSB SEA93LA030](https://openairdocs.org/ntsb/SEA93LA030), Nov 27, 1992: Hughes 369HS (N9228F), Scotts Mills, OR, substantial damage. Probable cause: THE PILOT IN COMMAND'S MISJUDGED DESCENT. FACTORS INCLUDE THE PILOT IN COMMAND'S LACK OF EXPERIENCE IN THIS TYPE OF OPERATION. - [NTSB FTW92LA199](https://openairdocs.org/ntsb/FTW92LA199), Aug 3, 1992: Hughes 369HS (N501FH), Monroe, LA, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE ROTOR RPM DURING AUTOROTATION. FACTORS WERE THE TAILWIND AND THE POWER LOSS FOR UNDETERMINED REASONS. - [NTSB SEA79DYE11](https://openairdocs.org/ntsb/SEA79DYE11), Jan 22, 1979: Hughes 369HS (N9256F), Aberdeen, WA, substantial damage ## FAA accident and incident reports (12) 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 20200520006899A](https://openairdocs.org/incident/20200520006899A), May 20, 2020: Bell OH-58A (N153SA), West Branch, MI, Substantial damage. On may 20, 2020 at 0933 local time, a Bell helicopter, inc. OH-58A aircraft, N153SA, registered to and operated by a commercial rated pilot, received… - [Accident 20170902018019A](https://openairdocs.org/incident/20170902018019A), Sep 2, 2017: Hughes 369A (N50MP), Burnet, TX, Substantial damage. During return to bmq(Burnet, TX.) N50MP a huges 369A exhausted all its fuel approximately 1 mile short of the fuel facility at Burnet. The pilot failed to… - [Accident 20160408008779A](https://openairdocs.org/incident/20160408008779A), Apr 8, 2016: Hughes 369A (N298SD), Weatherford, TX, Substantial damage. The pilot stated that he locked the tail rotor peddles on the left side when he hooked up the battery following maintenance. He forgot to unhook the peddles.… - [Accident 20121013023652A](https://openairdocs.org/incident/20121013023652A), Oct 13, 2012: Hughes/Helicopter Assocs Inc 369A (N546), West Chester, PA, Substantial damage. On Saturday, October 13, 2012, at approximately 0920 local time, a five-ship formation of helicopters from lancaster airport, PA (lnr) arrived to conduct… - [Accident 20110524009719A](https://openairdocs.org/incident/20110524009719A), May 24, 2011: Bell 47G-3B-1 (N96SH), Lakeville, MN, Substantial damage. Pilot reported engine power loss during aerial application operations. Pilot executed emergency landing in 7-8 feet of water in a lake. - [Accident 20090928049869A](https://openairdocs.org/incident/20090928049869A), Sep 28, 2009: Hughes 369A (OH-6A (N501SU), Wasilla, AK, Substantial damage. The pilot and owner of the helicopter told investigators that during climb from a hover the aircraft experienced a sudden loss of power at approximately 25… - [Accident 20090530016499A](https://openairdocs.org/incident/20090530016499A), May 30, 2009: Hughes 369A (N298SD), Baltimore, OH, Substantial damage. (-23) During a practice 180 degree autorotation to a power-off touchdown, the aircraft overshot the final approach course to the 2500 foot mown grass private… - [Accident 20040806018439A](https://openairdocs.org/incident/20040806018439A), Aug 6, 2004: Hughes OH6A (N243D), Anchorage, AK, Substantial damage. (-23) Aircraft crashed while landing at mri. This report will be amended when more evidence is uncovered. (-23 amendment) aircraft crashed while landing at… - [Accident 20010703019859A](https://openairdocs.org/incident/20010703019859A), Jul 3, 2001: N539, Wadesboro, NC, No damage. (-23) While performing a maintenance flight for blade tracking, flying at approximately 100 to 150 ft AGL airspeed 60 knots the engine suddenly quit. Pilot… - [Accident 19921127048209A](https://openairdocs.org/incident/19921127048209A), Nov 27, 1992: Hughes 369HS (N9228F), Scotts Mills, OR, Substantial damage. Settled with power on practice long line procedure. Hard landing chopped off tailboom - [Accident 19920803028769A](https://openairdocs.org/incident/19920803028769A), Aug 3, 1992: Hughes 369HS (N501FH), Monroe, LA, Substantial damage. Reported flameout on initial climb on test flight. Autorotated to hard impact. Chopped tailboom. Cause undetermined - [Incident 19920623026589I](https://openairdocs.org/incident/19920623026589I), Jun 23, 1992: Hughes 369HS (N9105F), Honolulu, HI. FAA inspector executed rapid throttle reduction simulating engine failure. Engine quit. Made autorotation landing. ## Service difficulty reports (2) As reported by operators and repair stations, by the model named in the report. - [SDR 2011FA0000333](https://openairdocs.org/sdr/2011FA0000333), May 24, 2011: LINE. LOOSE. (PC) PNEUMATIC LINE CAME LOOSE AT THE FCU CAUSING ENGINE SPOOL DOWN IN FLIGHT. NUMERIOUS CSL HAVE BEEN ISSUED ON THIS TOPIC, BUT SEEM NOT TO BE BEING FOLLOWED. - [SDR 98ZZZX2591](https://openairdocs.org/sdr/98ZZZX2591), Jun 17, 1998: EXCITER. FAILED. ENGINE IGNITION EXCITER FAILED INTERNALLY. SENT FOR REPAIR. ## STCs that may be installed (OpenAirDocs) (2) 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 SE00027EN](https://openairdocs.org/stc/SE00027EN): Installation of Pratt & Whitney Engine Services Inc. Intellistart plus electronic control unit (ECU), P/N DPU-K-010 on the specified 250 engine models. Pratt & Whitney Engine Services Inc - [STC ST00037AT](https://openairdocs.org/stc/ST00037AT): Unison igniter plugs, P/N 9044400-1. Unison Industries --- 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.