# Sikorsky S-70A - Type: Aircraft model (FAA registry) - Registry code: 8140711 - Manufacturer (registry): SIKORSKY - Model: S-70A - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 2 · Turbo-shaft - Seats: 39 - Weight class: 20,000 lb and over - Certification: Type certificated - Data sheet: [TCDS H5NE](https://openairdocs.org/tcds/H5NE) (OpenAirDocs) - Holder: Sikorsky Aircraft Corporation - Registered aircraft: 3 - Page: https://openairdocs.org/model/sikorsky-s-70a Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [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 2020-22-19](https://openairdocs.org/ad/2020-22-19): Main Rotor Head--Main Rotor Spindle Cuff · ACE Aeronautics UH-60A, BHI H60 (UH-60A), UH-60A and 17 more. Effective Dec 3, 2020 - [AD 2020-02-17](https://openairdocs.org/ad/2020-02-17): Tail Rotor Blades · Sikorsky S-70, S-70A, S-70C and 2 more. Effective Mar 13, 2020 - [AD 2013-25-13](https://openairdocs.org/ad/2013-25-13): Main Rotor Hub, Main Rotor Mast/Swashplate, Main Rotor Gearbox, Engine/Transmission Coupling, Tail Rotor Drive Shaft · Sikorsky S-70, S-70A and S-70C. Effective Feb 25, 2014 - [AD 2013-26-13](https://openairdocs.org/ad/2013-26-13): Fatigue failure of an engine rotor part · Sikorsky S-70, S-70A, S-70C and 2 more. Effective Feb 10, 2014 - [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 2012-23-13](https://openairdocs.org/ad/2012-23-13): Engine Oil Cooler, Main Rotor Blades, Tail Rotor Head, Tail Rotor Blades, Tail Rotor Control System, Main Landing Gear Strut/Axle/Truck, Fuel Transfer Valve, and Fasteners · Sikorsky S-70, S-70A and S-70C. Effective Dec 14, 2012 - [AD 2012-22-14](https://openairdocs.org/ad/2012-22-14): Tail Rotor Gearbox · Sikorsky S-70, S-70A, S-70C and 2 more. Effective Nov 30, 2012 - [AD 2010-23-24](https://openairdocs.org/ad/2010-23-24): Gear · Sikorsky S-70A and S-70C. Effective Dec 22, 2010 - [AD 2002-11-10](https://openairdocs.org/ad/2002-11-10): Jackpad Mounting Bolt Retention Nut · Sikorsky S-70A and S-70C. Effective Jun 24, 2002 Historical (superseded or no longer in force): - [AD 2024-05-51](https://openairdocs.org/ad/2024-05-51) (historical): Turbine Section · General Electric CT7-2E1, CT7-2F1, CT7-8A and 11 more. Effective Apr 1, 2024 - [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 2011-22-51](https://openairdocs.org/ad/2011-22-51) (historical): Tail Rotor Gearbox · Sikorsky S-70, S-70A, S-70C and 2 more - [AD 2001-25-08](https://openairdocs.org/ad/2001-25-08) (historical): Main Landing Gear Drag Beam · Sikorsky S-70A, S-70C, S-70C(M1) and 1 more. Effective Jan 2, 2002 ## Information bulletins (advisory) (1) - [SAIB SW-04-75](https://openairdocs.org/saib/SW-04-75): . Issued Aug 4, 2004 ## Registered aircraft (3) - [N15LA](https://openairdocs.org/aircraft/N15LA): [County Of Los Angeles](https://openairdocs.org/faa-owner/COUNTY%20OF%20LOS%20ANGELES), [Pacoima, CA](https://openairdocs.org/faa-place/CA/Pacoima), S/N 702846 - [N160LA](https://openairdocs.org/aircraft/N160LA): [County Of Los Angeles Fire Dept Air Operations](https://openairdocs.org/faa-owner/COUNTY%20OF%20LOS%20ANGELES%20FIRE%20DEPT%20AIR%20OPERATIONS), [Pacoima, CA](https://openairdocs.org/faa-place/CA/Pacoima), S/N 702453 - [N190LA](https://openairdocs.org/aircraft/N190LA): [County Of Los Angeles Fire Department](https://openairdocs.org/faa-owner/COUNTY%20OF%20LOS%20ANGELES%20FIRE%20DEPARTMENT), [Pacoima, CA](https://openairdocs.org/faa-place/CA/Pacoima), S/N 702479 ## NTSB investigations (2) 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 LAX05TA156](https://openairdocs.org/ntsb/LAX05TA156), May 4, 2005: Sikorsky S-70A (N160LA), Calabasas, CA, substantial damage. Probable cause: fatigue of the forward keeper due to known flaws in the manufacturing process. - [NTSB LAX04IA311](https://openairdocs.org/ntsb/LAX04IA311), Aug 30, 2004: Sikorsky S-70A (N160LA), Pacoima, CA, incident, minor damage. Probable cause: the failure of the operator's mechanics to install the turboshaft engine's forward curvic seal during a gas generator turbine (GGT) replacement. Contributing factors to the incident were the failure… ## FAA accident and incident reports (2) 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 20050504010229A](https://openairdocs.org/incident/20050504010229A), May 4, 2005: Skrsky S70A (N160LA), Calabasas, CA, Substantial damage. (-23) A Sikorsky S-70A, N160LA, encountered a vibration after the APU door struck a main rotor blade inflight near Calabasas, California. The helicopter… - [Incident 20040830027049I](https://openairdocs.org/incident/20040830027049I), Aug 30, 2004: Skrsky S70A (N160LA), Los Angeles, CA, Minor damage. (-23) On August 30, 2004, approximately 1240 pacific daylight time, a Sikorsky S-70A twin-engine helicopter, N160LA, experienced an uncontained number 2 engine… ## STCs that may be installed (OpenAirDocs) (21) Approved for this 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 SR02597SE](https://openairdocs.org/stc/SR02597SE): Installation of Purge Fuel Collector System. Timberline Aerospace LLC - [STC SR12058AK](https://openairdocs.org/stc/SR12058AK): Installation of Recoil Aerospace, Inc. T750-I Internal Fire Suppression Tank. Recoil Aerospace Inc - [STC SR12471AT](https://openairdocs.org/stc/SR12471AT): Installation of RMCI Health Useage and Monitoring System (HUMS). RMCI Inc - [STC SR00903DE](https://openairdocs.org/stc/SR00903DE): Installation of Left and Right, Hand Hold, Step and Step Fairing modification. Blackhawk Mission Equipment - [STC SR12380LA](https://openairdocs.org/stc/SR12380LA): Installation of Aerocraft's External Load Mount Kit (ARC-H60ELM). Aerocraft Incorporated - [STC SR04461CH](https://openairdocs.org/stc/SR04461CH): Installation of a Helitak FT4500 Black Hawk Fire Tank Liquid Dispensing System. Helitak USA, LLC - [STC SR02794LA](https://openairdocs.org/stc/SR02794LA): Installation of Ballast Box. Aerocraft Incorporated - [STC SR02767LA](https://openairdocs.org/stc/SR02767LA): Installation of H-60 Electric APU Starter Modification to replace the original equipment hydraulic APU starter system on Restricted Category H-60 Firefighting and Utility Helicopters. Aerocraft Inc - [STC SR02764LA](https://openairdocs.org/stc/SR02764LA): Installation of lift kit. Aerocraft Incorporated - [STC SR02544LA](https://openairdocs.org/stc/SR02544LA): Installation of a left side bubble window and a modified left side main landing gear fairing. Aerocraft Incorporated - [STC SR02744SE](https://openairdocs.org/stc/SR02744SE): Installation of BLR FastFin System. BLR Aerosapce LLC - [STC SR00919DE](https://openairdocs.org/stc/SR00919DE): Installation of Left and Right Pulse Light. Blackhawk Mission Equipment - [STC SR04618CH](https://openairdocs.org/stc/SR04618CH): Installation of Luma Technologies LT-4082 and LT-4106 series 82 and 106 Station Integration LED Display Panels with LT-2205 and LT-2206 series 5 and 6 Station LED Display/Reset Panels. Luma Technologies LLC - [STC SR00848DE](https://openairdocs.org/stc/SR00848DE): The installation of a bubble window as a direct replacement for the existing window in the left hand side Cockpit door. Blackhawk Mission Equipment - [STC SR00933DE](https://openairdocs.org/stc/SR00933DE): Installation of internal firefighting water tank and snorkel. Blackhawk Mission Equipment - [STC SR02760LA](https://openairdocs.org/stc/SR02760LA): Installation of Aerocraft Incorporated H-60 Blackhawk Helicopter Cargo Basket. Aerocraft Inc - [STC SR02657SE](https://openairdocs.org/stc/SR02657SE): Installation of Model 370i Fire Attack System. Simplex Manufacturing Company - [STC SR02617SE](https://openairdocs.org/stc/SR02617SE): Installation of a Mechanical Specialties Model 909 Cargo Hook. Mechanical Specialties Inc - [STC SR04422CH](https://openairdocs.org/stc/SR04422CH): Installation of NASI NTEC36TM Cooling System in accordance with Master Data List (MDL) as listed on AML No. SR04422CH, or later FAA approved revision. National Aircraft Service Inc - [STC SR02068SE](https://openairdocs.org/stc/SR02068SE): Installation of a modified Sikorsky L/H Step Fairing P/N 70215-02319-043 manufactured and installed. Firehawk Helicopters Inc - [STC SR00896DE](https://openairdocs.org/stc/SR00896DE) (historical): The installation of a bubble window with view port as a direct replacement for the existing window in the left hand side Cockpit door. Blackhawk Mission Equipment ## PMA parts (OpenAirDocs) (355, first 50) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first. - [RS4411-06S200](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134912611520260403131725.0001): WASHER, SADDLE. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SS4411-06S200 · Mar 9, 2026 - [R70101-11225-104](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189061007520260227180022.0001): Strip, Tail Rotor. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70101-11225-104 · Feb 13, 2026 - [R70309-02108-102](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128159114020251211210806.0001): Insulation. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70309-02108-102 · Dec 11, 2025 - [R70361-05010-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199207454720251211210812.0001): WASHER. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70361-05010-103 · Dec 9, 2025 - [R70309-02111-104](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110517115720251211210800.0001): COUPLING TUBE. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70309-02111-104 · Dec 9, 2025 - [RDUH0009](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166253051120251124233405.0001): Master Drawing List, UH-60 Blackhawk. Aerospace Composites Solutions, Inc. · PMA PQ4120CE · Replaces RDUH0009 · Nov 7, 2025 - [R70652-02251-175](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121901515420250904181702.0001): TUBE, HYD. LINE. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70652-02251-175 · Sep 3, 2025 - [RS5103C04](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197793631420250903142430.0001): WASHER. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SS5103C04 · Sep 2, 2025 - [R70250-22014-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152355171020250902182921.0001): Bushing, SPEC. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70250-22014-101 · Aug 20, 2025 - [RADO0000](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166804401720250711200930.0001): TOP LEVEL ASSY, T750-I. Aerospace Composites Solutions, Inc. · PMA PQ4120CE · Replaces RADO0000 · Jul 7, 2025 - [R70400-02160-104](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195517402420250718155436.0001): SHIM. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70400-02160-104 · Jul 2, 2025 - [R70209-06054-102](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160580537820250728150824.0001): BUSHING. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70209-06054-102 · Jul 2, 2025 - [R70305-02117-110](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189547925820250718155433.0001): SHIM. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70305-02117-110 · Jun 17, 2025 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172682666720250718155433.0001): SHIM. Rotair Aerospace Corporation · PMA PQ0781NE · Jun 17, 2025 - [R70305-02117-102](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151225007020250718155432.0001): SHIM. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70305-02117-102 · Jun 17, 2025 - [R70351-08011-104](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168524310620250602133955.0001): PACKING. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70351-08011-104 · May 27, 2025 - [RS2942-17](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144208202920250529135417.0001): SEAL. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SS2942-17 · May 22, 2025 - [R70103-08018-102](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149279133220250602180140.0001): WASHER, THRUST. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70103-08018-102 · May 7, 2025 - [R40305-2111-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158603012820250512185606.0001): Fitting. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70305-02111-101 · May 1, 2025 - [R70305-02111-043](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150471002220250512185606.0001): FITTING ASSY.. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70305-02111-043 · May 1, 2025 - [R70305-02105-045](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122907260220250428150441.0001): STRUT ASSY., INBOARD. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70305-02105-045 · Apr 22, 2025 - [R70217-02721-151](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169207305020250502133004.0001): SEAL FLAP. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70217-02721-151 · Apr 3, 2025 - [R70102-08100-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144471480020250428145200.0001): PAD. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70102-08100-101 · Apr 3, 2025 - [R70217-02721-155](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112368613320250502133005.0001): SEAL BLOCK. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70217-02721-155 · Apr 3, 2025 - [R70400-06666-102](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107524073320250428150055.0001): SPACER. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70400-06666-102 · Apr 3, 2025 - [R70309-23903-105](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119004744820250401174449.0001): SLEEVE. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70309-23903-105 · Apr 1, 2025 - [RS5242-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157602131620250403155312.0001): SET SCREW. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SS5242-4 · Mar 26, 2025 - [R70219-02512-102](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176887637620250401174447.0001): CLAMP, LOOP. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70219-02512-102 · Mar 25, 2025 - [R70219-02512-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100136408920250401174444.0001): CLAMP, LOOP. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70219-02512-101 · Mar 25, 2025 - [RS42CF03A110000](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175662358520250313172451.0001): HOSE ASSY. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SS42CF03A110000 · Mar 13, 2025 - [R70302-02150-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108292885320250313172436.0001): SUPPORT, STRUCTURAL. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70302-02150-103 · Mar 13, 2025 - [R70104-08007-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148482959320250320131043.0001): SHIM. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70104-08007-101 · Mar 12, 2025 - [R70104-08007-102](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124362792520250320131043.0001): SHIM. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70104-08007-102 · Mar 12, 2025 - [RS4424-04](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128026744920250313172446.0001): GASKET. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SS4424-04 · Mar 11, 2025 - [R70400-01224-042](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155613112020250313172441.0001): BOOT, DUST. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70400-01224-042 · Mar 7, 2025 - [R3500954-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149108502220250303213831.0001): SEAL, PLAIN ENCASED. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 3500954-2 · Feb 26, 2025 - [R70101-11123-106](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188539700520250320131053.0001): SHIM. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70101-11123-106 · Feb 2, 2025 - [R70400-00513-105](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197934966420250227162545.0001): BUSHING. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces 70400-00513-105 · Jan 23, 2025 - [R70400-00513-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197244318920250227162544.0001): BUSHING. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces 70400-00513-103 · Jan 23, 2025 - [R70400-00513-102](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193276679520250227162544.0001): BUSHING. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces 70400-00513-102 · Jan 23, 2025 - [R70400-00513-107](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174567881920250227162547.0001): BUSHING. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces 70400-00513-107 · Jan 23, 2025 - [R70400-00513-106](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140748013120250227162546.0001): BUSHING. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces 70400-00513-106 · Jan 23, 2025 - [R70400-00513-108](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132363375920250227162548.0001): BUSHING. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces 70400-00513-108 · Jan 23, 2025 - [R70400-00513-109](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129921690920250227162548.0001): BUSHING. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces 70400-00513-109 · Jan 23, 2025 - [R70400-00513-104](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126589283720250227162545.0001): BUSHING. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces 70400-00513-104 · Jan 23, 2025 - [R70400-00513-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113084723020250227162544.0001): BUSHING. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces 70400-00513-101 · Jan 23, 2025 - [RS4409-060](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177050668620250205144620.0001): WASHER. Rotair Aerospace Corporation624 · PMA PQ0781NE · Replaces SS4409-060 · Jan 21, 2025 - [R70209-04209-104](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130255634220250205144432.0001): PIN. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70209-04209-104 · Jan 16, 2025 - [R70250-13123-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164602810420250127211312.0001): Bushing. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 70250-13123-101 · Dec 23, 2024 - [RS7039-4RR12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152677756820250130170319.0001): BONDING JUMPER ASSEMBLY. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SS7039-4RR12 · Dec 23, 2024 All of them: https://openairdocs.org/model/sikorsky-s-70a/pma.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.