# Allison 250-B17 series

- Type: Engine model (FAA registry)
- Registry codes: 03017, 03018
- Manufacturer (registry): ALLISON
- Model: 250-B17 SER
- Engine type: Turbo-prop
- Power: 400 hp
- Data sheet: [TCDS E10CE](https://openairdocs.org/tcds/E10CE) (OpenAirDocs)
- Holder: Rolls-Royce Corporation
- Installed in: 14 registered aircraft
- Page: https://openairdocs.org/engine/allison-250-b17-series

The registry names only the engine series, so ADs for every model in the series are matched. The FAA lists this model under more than one registry code, usually for different spellings of the maker. This page covers them all.

## 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 2006-13-06](https://openairdocs.org/ad/2006-13-06): Gas producer rotor assembly tie bolts · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 16 more. Effective Jul 26, 2006
- [AD 2005-10-13](https://openairdocs.org/ad/2005-10-13): Turbine energy absorbing ring · Rolls-Royce 250-B17B, 250-B17C, 250-B17D and 7 more. Effective Jun 22, 2005
- [AD 2004-26-09](https://openairdocs.org/ad/2004-26-09): Compressor Adaptor Couplings · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 8 more. Effective Feb 8, 2005
- [AD 2001-24-12](https://openairdocs.org/ad/2001-24-12): Helical Torquemeter Gearshaft Assembly · Rolls-Royce 250-B17, 250-B17C, 250-B17D and 13 more. Effective Dec 19, 2001
- [AD 98-24-28](https://openairdocs.org/ad/98-24-28): Main Fuel Control Bellows · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 36 more. Effective Jan 7, 1999
- [AD 96-19-01](https://openairdocs.org/ad/96-19-01): Superior Air Parts Manufacture Approval (PMA) Bearings · Rolls-Royce 250-B15G, 250-B17F, 250-B17F/1 and 17 more. Effective Sep 26, 1996
- [AD 88-17-01](https://openairdocs.org/ad/88-17-01): Fuel Controls · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 26 more. Effective Mar 1, 1989
- [AD 83-03-02 R1](https://openairdocs.org/ad/83-03-02-R1): Slotted Third Stage Turbine Wheels · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 5 more. Effective Feb 28, 1984
- [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 82-12-04](https://openairdocs.org/ad/82-12-04): Combined Power Turbine and Propeller Governor Assembly · Cessna 401, 401A, 401B and 11 more. Effective Jun 7, 1982
- [AD 79-21-01 R1](https://openairdocs.org/ad/79-21-01-R1): Third Stage Turbine Wheel Blade · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 3 more. Effective Jun 3, 1981
- [AD 77-15-12](https://openairdocs.org/ad/77-15-12): Power Turbine Coupling Nut · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 23 more. Effective Sep 23, 1977
- [AD 77-09-08](https://openairdocs.org/ad/77-09-08): Bleed Valve Diaphragm · Rolls-Royce 250-B17, 250-B17B, 250-C20 and 2 more. Effective Jul 18, 1977
- [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

Historical (superseded or no longer in force):

- [AD 2015-02-22](https://openairdocs.org/ad/2015-02-22) (historical): Repetitive visual inspections · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 15 more. Effective Mar 9, 2015
- [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 2001-20-51](https://openairdocs.org/ad/2001-20-51) (historical): Helical Torquemeter Gearshaft Assembly · 250-B17, 250-B17C, 250-B17D and 12 more

## Registered aircraft (14)

- [N1211M](https://openairdocs.org/aircraft/N1211M): [Archangelair LLC](https://openairdocs.org/faa-owner/ARCHANGELAIR%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 29002C
- [N123MG](https://openairdocs.org/aircraft/N123MG): [Hagedorn Aviation Inc](https://openairdocs.org/faa-owner/HAGEDORN%20AVIATION%20INC), [Columbus, OH](https://openairdocs.org/faa-place/OH/Columbus), built 2001, S/N 29003C
- [N210RD](https://openairdocs.org/aircraft/N210RD): [Plane Fun Inc Tr Trustee](https://openairdocs.org/faa-owner/PLANE%20FUN%20INC%20TR%20TRUSTEE), [Snellville, GA](https://openairdocs.org/faa-place/GA/Snellville), built 1981, S/N P21000772
- [N260DP](https://openairdocs.org/aircraft/N260DP): [Great Basin Advisors LLC](https://openairdocs.org/faa-owner/GREAT%20BASIN%20ADVISORS%20LLC), [Truckee, CA](https://openairdocs.org/faa-place/CA/Truckee), S/N 009/62-002
- [N364KR](https://openairdocs.org/aircraft/N364KR): [Wright Kris H](https://openairdocs.org/faa-owner/WRIGHT%20KRIS%20H), [Idaho Falls, ID](https://openairdocs.org/faa-place/ID/Idaho%20Falls), built 1984, S/N E2184
- [N369ZM](https://openairdocs.org/aircraft/N369ZM): [Helios Helicopters LLC](https://openairdocs.org/faa-owner/HELIOS%20HELICOPTERS%20LLC), [Clackamas, OR](https://openairdocs.org/faa-place/OR/Clackamas), S/N 1000259S
- [N420WP](https://openairdocs.org/aircraft/N420WP): [Qualitair LLC Trustee](https://openairdocs.org/faa-owner/QUALITAIR%20LLC%20TRUSTEE), Michelstadt, built 2002, S/N 29004C
- [N450X](https://openairdocs.org/aircraft/N450X): [Plane Enjoyment LLC](https://openairdocs.org/faa-owner/PLANE%20ENJOYMENT%20LLC), [Dover, MA](https://openairdocs.org/faa-place/MA/Dover), built 1990, S/N 12001C
- [N49BB](https://openairdocs.org/aircraft/N49BB): [Giuseppe Baldassarri](https://openairdocs.org/faa-owner/GIUSEPPE%20BALDASSARRI), [Carrollton, GA](https://openairdocs.org/faa-place/GA/Carrollton), built 1985, S/N 037
- [N6Y](https://openairdocs.org/aircraft/N6Y): [Jetran LLC](https://openairdocs.org/faa-owner/JETRAN%20LLC), [Horseshoe Bay, TX](https://openairdocs.org/faa-place/TX/Horseshoe%20Bay), built 1989, S/N 001
- [N700FK](https://openairdocs.org/aircraft/N700FK): [Bhh Leasing #4 LLC](https://openairdocs.org/faa-owner/BHH%20LEASING%20%234%20LLC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1989, S/N 2201
- [N72VV](https://openairdocs.org/aircraft/N72VV): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1979, S/N P21000339
- [N770FK](https://openairdocs.org/aircraft/N770FK): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1984, S/N 2144
- [N7MT](https://openairdocs.org/aircraft/N7MT): [Csc Delaware Trust Co Trustee](https://openairdocs.org/faa-owner/CSC%20DELAWARE%20TRUST%20CO%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1991, S/N 12002C

## NTSB investigations (6)

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 CEN12LA296](https://openairdocs.org/ntsb/CEN12LA296), May 13, 2012: Maule M-7-420AC (N420RP), Hanover Township, MI, substantial damage. Probable cause: A total loss of engine power for reasons that could not be determined during an exhaustive postaccident examination of the engine and its components.
- [NTSB WPR12CA121](https://openairdocs.org/ntsb/WPR12CA121), Mar 2, 2012: Siai-Marchetti SF.260TP (N350TP), Corona, CA, substantial damage. Probable cause: The pilot did not maintain runway alignment during landing in a gusting crosswind.
- [NTSB DEN08RA050](https://openairdocs.org/ntsb/DEN08RA050), Dec 22, 2007: Partenavia AP 68 TP (N901TP), Pointe-A-Pitre, Guadeloupe, substantial damage
- [NTSB ATL98GA127](https://openairdocs.org/ntsb/ATL98GA127), Sep 18, 1998: Government Aircraft Fact N22S (N6302W), Caribbean Sea, minor damage, 1 fatal. Probable cause: The failure of the pilot-in-command of the other aircraft (N6305U) to maintain physical clearance from N6302W. Contributing factors were the inadequate visual lookout of all four pilots involved.
- [NTSB ATL89MA070](https://openairdocs.org/ntsb/ATL89MA070), Jan 9, 1989: Swearingen SX-300 (N6Y), Wilmington, OH, destroyed, 2 fatal. Probable cause: FATIGUE AND RESULTING FAILURE OF THE RIGHT WING'S LOWER ATTACHMENT FITTING AND INADEQUATE QUALITY CONTROL BY THE SWEARINGEN SX-300 PRODUCTION/DESIGN PERSONNEL.
- [NTSB LAX87LA322](https://openairdocs.org/ntsb/LAX87LA322), Sep 2, 1987: Government Aircraft Fact Nomad 24A (N37808), Lanai, HI, substantial damage

## FAA accident and incident reports (9)

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 20230630010399I](https://openairdocs.org/incident/20230630010399I), Jun 30, 2023: Maule M-7-420 (N450X), Groton, CT, Minor damage. On 6/30/2023 at 0743 the amphibious aircraft landed at gon airport, contacting the surface of the runway with the aircraft floats, causing visible scratches to…
- [Incident 20211205020609I](https://openairdocs.org/incident/20211205020609I), Dec 5, 2021: Aerokit Inc SA32-T (N6Y), Edgewood, NM, Minor damage. On December 5, 2021, at 1405 MDT, an Aerokit SA-32T turbo trainer, N6Y, [privacy data omitted] made a hard landing while on a personal flight at Sandia Airpark…
- [Incident 20170330003019I](https://openairdocs.org/incident/20170330003019I), Mar 30, 2017: Aerokit Inc SA32-T (N6Y), Albuquerque, NM, Minor damage. On March 30, 2017, at 1145 MST, a Aerokit SA32T, N6Y, registered to william acheff run off the runway while landing at abq airport, Albuquerque, NM, while on a…
- [Incident 20150619008429I](https://openairdocs.org/incident/20150619008429I), Jun 19, 2015: Beech A36 (N364KR), Driggs, ID, Minor damage. Aircraft experienced total electrical failure when the landing gear was extended. The pilot attempted to manually lower the gear and thought that he had done…
- [Accident 20120513026929A](https://openairdocs.org/incident/20120513026929A), May 13, 2012: Maule M-7-420AC (N420RP), Hanover Twp, MI, Destroyed. On may 13, 2012, at 1903 eastern daylight time, the pilot attempted to make a forced landing on pine hill lake in Hanover township, Michigan, after…
- [Accident 20120302004981A](https://openairdocs.org/incident/20120302004981A), Mar 2, 2012: Siai-Marchetti SF.260TP (N350TP), Corona, CA, Substantial damage. On March 2nd 2012, an Siai-Marchetti sf 260 tp, registration number N350TP lost control during landing on Corona (ajo) airports runway 24 at 14:40 pacific…
- [Incident 20110904020339I](https://openairdocs.org/incident/20110904020339I), Sep 4, 2011: Siai-Marchetti SF.260TP (N260DP), Santa Monica, CA, Minor damage. On Sunday, September 4, 2011, at 11:34 pacific standard time, a dark green 1983 Siai-Marchetti, N260DP taxied onto runway 21 for a visual departure southwest…
- [Accident 19980918034611A](https://openairdocs.org/incident/19980918034611A), Sep 18, 1998: Govt N22S (N6302W), Aguadilla, Puerto Rico, Minor damage. Aircraft N6302W collied in flight with company aircraft N6305U (U.S. Customs) 135 NM s/sw of the island of puerto rico. Minor damage was reported in N6302W.…
- [Incident 19840728061139I](https://openairdocs.org/incident/19840728061139I), Jul 28, 1984: Airpts A4 (N1028G), Marietta, PA, Minor damage. Curved off the runway into a field of corn on the landing roll. Found a broken right main gear trunniion support.

## Service difficulty reports (9)

As reported by operators and repair stations, by the model named in the report.

- [SDR M3VY2018071600239](https://openairdocs.org/sdr/M3VY2018071600239), Mar 22, 2018: RADAR. DAMAGED. WEATHER RADAR POD. DURING ANNUAL INSPECTION IT WAS NOTED THAT THE RADAR SUPPORT POD WAS GAPING BY APPROX 1/2 INCH AT THE REAR END AND THE BLACK WEATHER SEAL WAS
- [SDR TU32003F00007](https://openairdocs.org/sdr/TU32003F00007), May 13, 2003: YOKE. BRINELLED. DURING A 100 HOUR INSPECTION THE MAIN ROTOR HUB WAS BEING LUBRICATED. THE PITCH CONTROL LINKS WERE DISCONNECTED AND RATCHETING WAS FELT WHEN THE BLADES WERE ROT
- [SDR AUS20021337](https://openairdocs.org/sdr/AUS20021337), Nov 21, 2002: FCU. FAULTY. (AUS) FUEL CONTROL UNIT FLYWEIGHT CLIP FAULTY. LIMITED INFORMATIONPROVIDED.
- [SDR TU3R12042](https://openairdocs.org/sdr/TU3R12042), Oct 31, 2002: CONTROL ROD. CORRODED. DURING RIGGING OF THE NR 1 FUEL SYSTEM, THE TECH STARTED TO ADJUST THE ROD END BEARING ON THE LOWER END OF THE CONTROL ROD FOR THE FUEL CONTROL UNIT AND THE CON
- [SDR 98ZZZX2260](https://openairdocs.org/sdr/98ZZZX2260), May 22, 1998: OIL PUMP. WORN. ENGINE WAS RECEIVED TO REPAIR FOR LOW OIL PRESSURE AND METAL IN OIL. UPON DISASSEMBLY, FOUND THE IDLER GEAR IN THE PRESSURE SIDE OF THE PUMP HAD WORN AWAY APPRO
- [SDR 96ZZZX5874](https://openairdocs.org/sdr/96ZZZX5874), Oct 17, 1996: STATOR SEAL. CRACKED. DURING PARTIAL DISASSEMBLY OF TURBINE TO REPLACE THE FIRST STAGE NOZZLE, FOUND CRACKS IN BEARING BORE AREA OF SEAL. UPON REMOVAL OF SEAL, NOTICED FRETTING ON OU
- [SDR 95ZZZX5921](https://openairdocs.org/sdr/95ZZZX5921), Sep 1, 1995: FILTER ASSY. BROKEN. PILOT REPORTED A FUEL LEAK FROM THE ENGINE. INVESTIGATION REVEALED A LOOSE FILTER BOWL. ON A CLOSER EXAMINATION, FOUND FILTER BOWL HAD ALMOST DETACHED ITSELF FR
- [SDR 95ZZZX1912](https://openairdocs.org/sdr/95ZZZX1912), Jan 30, 1995: BLADE. SEPARATED. AFTER REGULAR DAILY RUN AND COMPRESSOR RINSE, AIRCRAFT SHUT DOWN WITH NO PROBLEMS. FOUND AFTER SHUT DOWN, COMPRESSOR BLADES (STATIONARY) HAD SEPARATED FROM CASE
- [SDR 95ZZZX1199](https://openairdocs.org/sdr/95ZZZX1199), Jan 9, 1995: OIL TUBE. DEFECTIVE. ENGINE INSPECTION FOUND OIL DELIVERY TUBE DEFECTIVE.

## STCs that may be installed (OpenAirDocs) (3)

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 SE00327AT](https://openairdocs.org/stc/SE00327AT): Installation of PC Safety Valve Kit. Bell Helicopter Textron Inc
- [STC ST00037AT](https://openairdocs.org/stc/ST00037AT): Unison igniter plugs, P/N 9044400-1. Unison Industries
- [STC SQ00338AT](https://openairdocs.org/stc/SQ00338AT): Unison igniter leads, P/N9048222-101, 102, 103, 104, 105, 106. Unison Industries

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