# N151WF: 1990 Agusta A109C - Status: Valid registration - Airframe: [Agusta A109C](https://openairdocs.org/model/agusta-a109c) (registry code 0260118, 8 seats) - Engine: [Rolls-Royce 250-C20R/1](https://openairdocs.org/engine/rolls-royce-250-c20r-1) (registry code 54184) - Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU) (Leonardo S.p.A.), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (Rolls-Royce Corporation) (OpenAirDocs) - Serial number: 7628 - Year built: 1990 - Type: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, normal - Airworthiness date: December 5, 2025 - Certificate issued: May 2, 2024 - Expires: May 31, 2031 - Mode S code: A0CFE0 - Registered owner: [Qualitair LLC](https://openairdocs.org/faa-owner/QUALITAIR%20LLC) - Location: Michelstadt, Germany - Owner type: LLC - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=151WF - Page: https://openairdocs.org/aircraft/N151WF From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 40 in force ### Matched by airframe (Agusta A109C) - [AD 2026-17-07](https://openairdocs.org/ad/2026-17-07): Main rotor mast/swashplate · Leonardo A109A, A109A II, A109C and 6 more. Effective Oct 2, 2026 - [AD 2025-17-10](https://openairdocs.org/ad/2025-17-10): Main Rotor Control · Leonardo A109A, A109A II, A109C and 3 more. Effective Sep 9, 2025 - [AD 2025-07-07](https://openairdocs.org/ad/2025-07-07): Main Rotor Blades · Leonardo A109C, A109E, A109S and 1 more. Effective May 23, 2025 - [AD 2025-07-01](https://openairdocs.org/ad/2025-07-01): Air Data Computer · Synthetic Vision Electronic Flight Information System (Arrow STC SR09595RC or ST01523WI). Effective May 15, 2025 - [AD 2024-15-11](https://openairdocs.org/ad/2024-15-11): Tail Rotor System · Leonardo A109C, A109E, A109K2 and 2 more. Effective Oct 21, 2024 - [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023 - [AD 2023-01-02](https://openairdocs.org/ad/2023-01-02): Emergency Equipment · Apical Industries, Inc. Emergency Float Kit (STC SR01812LA). Effective Feb 17, 2023 - [AD 2022-07-11](https://openairdocs.org/ad/2022-07-11): Tail Rotor System · Leonardo A109C, A109K2, A109E and 2 more. Effective May 5, 2022 - [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10): Cabin Equipment/Furnishings · Airbus Helicopters AS332L, AS332L1, AS332L2 and 57 more. Effective Apr 20, 2022 - [AD 2021-21-03](https://openairdocs.org/ad/2021-21-03): Rotorcraft Flight Control, Rotorcraft Servo System · Leonardo A109A, A109A II, A109C and 6 more. Effective Dec 10, 2021 - [AD 2021-17-10](https://openairdocs.org/ad/2021-17-10): Main Rotor Brake · Leonardo A109A, A109A II, A109C and 4 more. Effective Sep 7, 2021 - [AD 2021-07-05](https://openairdocs.org/ad/2021-07-05): Main Rotor Blades · Leonardo A109C, A109E and A109K2. Effective Apr 8, 2021 - [AD 2018-06-51](https://openairdocs.org/ad/2018-06-51): Main Rotor Mast/Swashplate · Agusta A109A, A109A II, A109C and 6 more. Effective Jun 7, 2018 - [AD 2016-18-18](https://openairdocs.org/ad/2016-18-18): Tail Rotor Drive Shaft · Agusta A109A, A109A II, A109C and 4 more. Effective Oct 20, 2016 - [AD 2015-11-08](https://openairdocs.org/ad/2015-11-08): Tail Rotor System · Agusta A109C, A109E, A109K2 and 2 more. Effective Jun 24, 2015 - [AD 2015-05-52](https://openairdocs.org/ad/2015-05-52): Tail Rotor Controls · Agusta A109, A109A, A109A II and 7 more. Effective Apr 29, 2015 - [AD 2014-11-07](https://openairdocs.org/ad/2014-11-07): Main Rotor System · Agusta A109A, A109A II, A109C and 6 more. Effective Jun 18, 2014 - [AD 2014-09-01](https://openairdocs.org/ad/2014-09-01): Tail Rotor · Agusta A109C, A109E, A109K2 and 1 more. Effective Jun 5, 2014 - [AD 2013-20-51](https://openairdocs.org/ad/2013-20-51): Tail rotor system · Agusta A109A, A109A II, A109C and 6 more. Effective Oct 25, 2013 - [AD 2013-06-51](https://openairdocs.org/ad/2013-06-51): Equipment/Furnishings · Agusta A109, A109A, A109A II and 43 more. Effective Jul 15, 2013 - [AD 2013-05-22](https://openairdocs.org/ad/2013-05-22): Tail rotor pitch control link assembly · Agusta A109, A109A, A109A II and 5 more. Effective Apr 30, 2013 - [AD 2011-17-01](https://openairdocs.org/ad/2011-17-01): Main rotor scissor fitting assembly · Agusta A109A, A109A II, A109C and 1 more. Effective Sep 12, 2011 - [AD 2008-09-03](https://openairdocs.org/ad/2008-09-03): Grooved clamp fixing · Agusta A109A, A109A II and A109C. Effective May 13, 2008 - [AD 2002-20-05](https://openairdocs.org/ad/2002-20-05): Rescue hoists · Agusta A109, A109A, A109A II and 31 more. Effective Nov 7, 2002 - [AD 2000-08-05](https://openairdocs.org/ad/2000-08-05): Main Rotor Pitch Control Link Assembly · Agusta A109C and A109K2. Effective May 30, 2000 - [AD 2000-08-02](https://openairdocs.org/ad/2000-08-02): Transmission · Agusta A109A, A109A II and A109C. Effective May 1, 2000 - [AD 98-24-22](https://openairdocs.org/ad/98-24-22): Grip Assemblies · Agusta A109C. Effective Dec 9, 1998 - [AD 98-13-28](https://openairdocs.org/ad/98-13-28): Tail Rotor Blade Inspection · Agusta A109C and A109K2. Effective Jul 13, 1998 - [AD 95-13-10](https://openairdocs.org/ad/95-13-10): Vertical Fin Attachment · Agusta A109A, A109A II and A109C. Effective Aug 9, 1995 - [AD 78-24-02](https://openairdocs.org/ad/78-24-02): Main Transmission · Agusta A109, A109A, A109A II and 3 more. Effective Nov 24, 1978 ### Matched by engine (Rolls-Royce 250-C20R/1) - [AD 2022-10-06](https://openairdocs.org/ad/2022-10-06): Turbine Section · Rolls-Royce 250-C20, 250-C20B, 250-C20C (T63-A-720) and 9 more. Effective Jun 28, 2022 - [AD 2018-13-01](https://openairdocs.org/ad/2018-13-01): Turbine Governor · Rolls-Royce 250-C10 (T63-A-5), 250-C18, 250-C18A and 24 more. Effective Aug 16, 2018 - [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 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 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 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 ### Historical (superseded or no longer in force) - [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021 - [AD 2021-17-18](https://openairdocs.org/ad/2021-17-18) (historical): Tail Rotor System · Leonardo A109C, A109E, A109K2 and 2 more. Effective Sep 7, 2021 - [AD 2014-02-08](https://openairdocs.org/ad/2014-02-08) (historical): Tail Rotor System · Agusta A109C, A109E, A109K2 and 2 more. Effective Mar 7, 2014 - [AD 2010-02-51](https://openairdocs.org/ad/2010-02-51) (historical): Main rotor scissor fitting assembly fixing bolt · Agusta A109A, A109A II, A109C and 1 more - [AD 2007-26-52](https://openairdocs.org/ad/2007-26-52) (historical): Main rotor blade (MRB) · Agusta A109C, A109E and A109K2. Effective May 27, 2008 - [AD 2001-24-07 R1](https://openairdocs.org/ad/2001-24-07-R1) (historical): Main Rotor Blade Tip Cap · Agusta A109C, A109E and A109K2. Effective Jul 30, 2004 - [AD 2001-24-07](https://openairdocs.org/ad/2001-24-07) (historical): Blade Tip Cap · Agusta A109C, A109E and A109K2. Effective Jan 7, 2002 - [AD 98-19-04](https://openairdocs.org/ad/98-19-04) (historical): Main Rotor Blade Tip Cap · Agusta A109C, A109E and A109K2. Effective Mar 3, 1999 - [AD 99-02-09](https://openairdocs.org/ad/99-02-09) (historical): Pitch Change Link Assembly · Agusta A109C and A109K2. Effective Feb 19, 1999 - [AD 2017-18-14](https://openairdocs.org/ad/2017-18-14) (historical): Turbine Section · Rolls-Royce 250-C20, 250-C20B, 250-C20F and 8 more. Effective Oct 13, 2017 - [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 ## Information bulletins (advisory) (1 in force) - [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012 ## NTSB investigations None matched to N151WF. ## FAA accident and incident reports None matched to N151WF. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (45) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Agusta A109C) - [STC SR04842NY](https://openairdocs.org/stc/SR04842NY): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS). Sterling Helicopter - [STC SR00182IB](https://openairdocs.org/stc/SR00182IB): Installation of the Avidyne Integrated Flight Display (IFD) Navigator(s). Horizon Design Services Ltd - [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc - [STC SR04557AT](https://openairdocs.org/stc/SR04557AT): Cabin and crew floor protector installations. Helifab East LLC - [STC SR00084IB](https://openairdocs.org/stc/SR00084IB): Installation of Alternative Inflation System for Emergency Flotation System. SAAB AKTIEBOLAG - [STC SR01456LA](https://openairdocs.org/stc/SR01456LA): Installation of Concorde RG407 Batteries. Rotorcraft Support Inc - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC - [STC SR01476SE](https://openairdocs.org/stc/SR01476SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc - [STC SR04453CH](https://openairdocs.org/stc/SR04453CH): Installation of Appareo Systems LLC Stratus ES & Stratus ESG ADS-B transponder. Appareo Systems LLC - [STC SR02124SE](https://openairdocs.org/stc/SR02124SE): Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;. Garmin International Inc - [STC SR04390CH](https://openairdocs.org/stc/SR04390CH): Installation of an Electronic Flight Instrument System (EFIS) in accordance with StandardAero Master Data List 1036284, Revision (B), dated June 5, 2019 or later FAA approved revision. StandardAero Business Aviation Services LLC - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SR01812LA](https://openairdocs.org/stc/SR01812LA): Installation of Apical Industries, Inc. Emergency Float Kit. Apical Industries Inc. dba Dart Aerospace - [STC SR02257CH](https://openairdocs.org/stc/SR02257CH): Install air ambulance conversion. Snaky Creek Enterprises LLC dba Spectrum Aeromed - [STC SR02258SE](https://openairdocs.org/stc/SR02258SE): Installation of a tail rotor pedal lockout kit. Dart Aerospace USA Inc - [STC SR02377AK](https://openairdocs.org/stc/SR02377AK): Installation of a fixed mounted Max-Viz Enhanced Vision System (EVS) Model 1500 to include a sensor Line Replaceable Unit (LRU) with conformal housing, power supply, Detached Electrical Box (DEB) and a glareshield-mounted, dedicated display monitor. Avio Design Group Inc - [STC SR00860DE](https://openairdocs.org/stc/SR00860DE): Installation of Teledyne Battery Products Valve-Regulated Lead-Acid. Teledyne Battery Products - [STC SR03055CH](https://openairdocs.org/stc/SR03055CH): Installation of Flight Data Monitoring System. MSP Aero LLC - [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC - [STC SR00060DE](https://openairdocs.org/stc/SR00060DE): Installation of Belt-Driven Vapor Cycle Air Conditioning System Kit P/N A109-00-011 with dual condenser blower configuration. RSG Products Inc - [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC - [STC SR01124NY-D](https://openairdocs.org/stc/SR01124NY-D): Installation of an Aeromedical Liquid Oxygen System. Sikorsky Aircraft Corporation - [STC SR000291DE](https://openairdocs.org/stc/SR000291DE): Installation of Bleed Air Cabin Heating/ Windshield Defroster System. Air Comm Corporation - [STC SH4676SW](https://openairdocs.org/stc/SH4676SW): Installation of Tail Rotor Floodlights on the upper surface of the horizontal stabilizer. DeVore Aviation Corporation of America, a New Mexico Corporation - [STC SR09360RC](https://openairdocs.org/stc/SR09360RC): Installation of Concorde Battery Model RG-407, Valve regulated sealed lead acid battery. Concorde Battery Corporation - [STC SH2458SO](https://openairdocs.org/stc/SH2458SO): Installation of FLIR Systems, Inc., Model 2000/2500 Series Thermal Imager System. Bell Helicopter Textron Inc. Lists A109 Series - [STC SR02232LA](https://openairdocs.org/stc/SR02232LA): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin AT Inc - [STC SR01963AT](https://openairdocs.org/stc/SR01963AT): Manufacture of Replacement Windshields. Bell Helicopter Textron Inc - [STC SH3754SW](https://openairdocs.org/stc/SH3754SW): Installation of DeVore forward facing recognition lights. DeVore Aviation Corporation of America, a New Mexico Corporation - [STC SR01104NY](https://openairdocs.org/stc/SR01104NY): Installation of a Spectrolab SX-5 Searchlight on the right side of the A109C. Agusta Aerospace Corporation - [STC SH3811NM](https://openairdocs.org/stc/SH3811NM): Install a combination attendant seat and patient litter kit assembly. Aero Credit Company Inc - [STC SR01844AT](https://openairdocs.org/stc/SR01844AT): Installation of Tail Rotor Pedal Lockout Kit. Bell Helicopter Textron Inc - [STC SH638NE](https://openairdocs.org/stc/SH638NE): Installation of Parker Model 2C35-3 fuel tank mounted auxiliary fuel boost pumps to be used interchangeably with the standard Agusta P/N 109-0611-53-1 electric fuel pumps. Parker Hannifin Corp - [STC SR09200RC](https://openairdocs.org/stc/SR09200RC): Installation of a rotor dynamics americas, inc RDA 3303 airborne vibration Monitoring system. Rotor Dynamics Americas - [STC SR00291DE](https://openairdocs.org/stc/SR00291DE): Installation of bleed air cabin heating/windshield defroster system. Air Comm Corporation - [STC SH728NE](https://openairdocs.org/stc/SH728NE): Installation of lightweight freon air conditioning system. Advanced Flight System, Inc - [STC SH758NE](https://openairdocs.org/stc/SH758NE): Emergency medical service (EMS) interior kit installation. Custom Aircraft Completions, Inc - [STC SR00201NY](https://openairdocs.org/stc/SR00201NY): Installation of Bendix/King EFIS EFS-40. Agusta Aerospace Corporation - [STC SH701NE](https://openairdocs.org/stc/SH701NE): Installation of crew and cabin doors. Agusta Aerospace Corporation ### Approved for the engine (Rolls-Royce 250-C20R/1) - [STC SE5511NM](https://openairdocs.org/stc/SE5511NM): Installation of compressor discharge pressue (PC) valve. Bell Helicopter Textron Inc - [STC SE00014EN](https://openairdocs.org/stc/SE00014EN): Installation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models. Pratt & Whitney Engine Services Inc - [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 SE492GL](https://openairdocs.org/stc/SE492GL): Incorporation of a fuel flow transducer. Shadin Avionics - [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 ## Related - Other Agusta A109C aircraft: https://openairdocs.org/model/agusta-a109c/aircraft.md - The Rolls-Royce 250-C20R/1 engine: https://openairdocs.org/engine/rolls-royce-250-c20r-1.md --- 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.