# Sikorsky S-61D - Type: Aircraft model (FAA registry) - Registry code: 814210L - Manufacturer (registry): SIKORSKY - Model: S-61D - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 2 · Turbo-shaft - Seats: 28 - Weight class: 12,500 to 19,999 lb - Cruise speed: 129 mph - Certification: Type certificated - Data sheet: [TCDS H2EA](https://openairdocs.org/tcds/H2EA) (OpenAirDocs) - Holder: Sikorsky Aircraft Corporation - Registered aircraft: 0 - Page: https://openairdocs.org/model/sikorsky-s-61d 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 2026-15-17](https://openairdocs.org/ad/2026-15-17): Main Rotor Gearbox · Glacier Helicopter CH-3E, S-61A, S-61D and 12 more. Effective Sep 10, 2026 - [AD 2026-11-05](https://openairdocs.org/ad/2026-11-05): Rotorcraft flight control; Rotorcraft servo system · Carson Helicopters S-61L, SH-3H, CH-3E and 11 more. Effective Jul 9, 2026 - [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 2021-10-16](https://openairdocs.org/ad/2021-10-16): Engine/Transmission Coupling · Carson Helicopters S-61L, SH-3H, SH-3H and 6 more. Effective Jul 1, 2021 - [AD 2021-05-19](https://openairdocs.org/ad/2021-05-19): Tail Rotor Control System · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective May 7, 2021 - [AD 2013-05-17](https://openairdocs.org/ad/2013-05-17): Aircraft Fuel Filter/Strainer · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Apr 26, 2013 - [AD 2008-10-04](https://openairdocs.org/ad/2008-10-04): Chip detectors · Sikorsky S-61A, S-61D, S-61E and 1 more. Effective Jun 12, 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 2000-13-06](https://openairdocs.org/ad/2000-13-06): Web Fittings · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Jul 18, 2000 - [AD 98-26-02](https://openairdocs.org/ad/98-26-02): Shaft · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Jan 20, 1999 - [AD 97-19-06](https://openairdocs.org/ad/97-19-06): Blade Trailing Edge Pocket Assemblies · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Oct 6, 1997 - [AD 91-12-01](https://openairdocs.org/ad/91-12-01): Sleeve & Spindle Assemblies · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Jul 8, 1991 - [AD 90-01-04](https://openairdocs.org/ad/90-01-04): Main Rotor Hub Upper Plate · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Feb 5, 1990 - [AD 89-07-09](https://openairdocs.org/ad/89-07-09): Main Rotor Gearbox · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Apr 20, 1989 - [AD 86-23-08](https://openairdocs.org/ad/86-23-08): Main Rotor Hub Lower Plate · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Apr 21, 1987 - [AD 84-25-01](https://openairdocs.org/ad/84-25-01): Main Gearbox Inspection · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Jan 19, 1985 - [AD 84-01-51](https://openairdocs.org/ad/84-01-51): Rotary Wing Head Shaft Nut · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Mar 27, 1984 - [AD 78-20-05 R4](https://openairdocs.org/ad/78-20-05-R4): Main Rotor Spindles · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective May 25, 1983 - [AD 76-08-01 R1](https://openairdocs.org/ad/76-08-01-R1): Tail Rotor Pylon · Sikorsky S-61A, S-61D, S-61E and 2 more. Effective Dec 29, 1980 - [AD 80-17-07](https://openairdocs.org/ad/80-17-07): Horizontal Hinge Pins · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Aug 15, 1980 - [AD 68-19-07](https://openairdocs.org/ad/68-19-07): Rotor Blade Spindles · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Dec 23, 1975 - [AD 73-15-01](https://openairdocs.org/ad/73-15-01): Rear Fuselage and Pylon Fittings · Sikorsky S-61A, S-61D, S-61E and 2 more. Effective Jul 27, 1973 - [AD 72-25-04](https://openairdocs.org/ad/72-25-04): Loss of Main Rotor Control · Sikorsky S-61A, S-61D, S-61L and 3 more. Effective Dec 15, 1972 - [AD 72-03-01](https://openairdocs.org/ad/72-03-01): Alum. Forgings Flight Control System · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Feb 1, 1972 - [AD 71-21-03](https://openairdocs.org/ad/71-21-03): Link in Servo Valve Input Linkage · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Oct 7, 1971 - [AD 71-05-01](https://openairdocs.org/ad/71-05-01): Main Landing Gear Axle · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Feb 23, 1971 - [AD 70-09-03](https://openairdocs.org/ad/70-09-03): Tail Gear Box Pitch Beams · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective May 8, 1970 - [AD 67-29-05](https://openairdocs.org/ad/67-29-05): Rotary Wing Hub Hinge Pins · Sikorsky S-61A, S-61D, S-61E and 5 more. Effective Oct 30, 1967 - [AD 66-19-04](https://openairdocs.org/ad/66-19-04): Tail Rotor Blades · Sikorsky S-58A, S-58B, S-58BT and 20 more. Effective Aug 14, 1966 - [AD 65-08-02](https://openairdocs.org/ad/65-08-02): Main Rotor Blades · Orlando Helicopter Airways HRS-1/CH-19, HRS-3/H-19B, S-55 and 11 more. Effective Apr 9, 1965 - [AD 79-12-10](https://openairdocs.org/ad/79-12-10): Tail Rotor Blades · Sikorsky S-61A, S-61D, S-61E and 5 more 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 2015-20-12](https://openairdocs.org/ad/2015-20-12) (historical): Main Rotor Gearbox · Carson Helicopters SH-3H, SH-3H, CH-3E and 13 more. Effective Nov 24, 2015 - [AD 97-10-04](https://openairdocs.org/ad/97-10-04) (historical): Blade Trailing Edge Pocket Assemblies · Sikorsky S-61A, S-61D, S-61E and 5 more ## Registered aircraft None registered with this model now. ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports None matched to aircraft with this model. ## STCs that may be installed (OpenAirDocs) (7) 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 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 SR04483CH](https://openairdocs.org/stc/SR04483CH): Installation of NASI NREM18M Air Conditioning Module. National Aircraft Service Inc. (NASI) - [STC SR04122NY](https://openairdocs.org/stc/SR04122NY): The Installation of Carson Helicopters, Inc. Composite Tail Rotor Blade and Pitch Sleeve, part number 428-600-1,. Carson Helicopters Inc - [STC SR02671LA](https://openairdocs.org/stc/SR02671LA): Installation of a shorter composite blade. Carson Helicopters, 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 SR03310CH](https://openairdocs.org/stc/SR03310CH): Installation of NASI Air Conditioning Module. National Aircraft Service Inc - [STC SR01585NY](https://openairdocs.org/stc/SR01585NY): Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1. Carson Helicopters Inc ## PMA parts (OpenAirDocs) (322, 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. - [R6165-61517-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115212629020230331175557.0001): Housing. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6165-61517-101 · Mar 24, 2023 - [R6135-22076-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117187382020221108152623.0001): Bracket. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6135-22076-1 · Nov 2, 2022 - [AG627000-13](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196789135920220809130924.0001): Gasket – Marker Beacon. Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · Modification part · May 10, 2022 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170017506920220809102554.0001): Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · Apr 18, 2022 - [AG844000-15](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134084726420220408135812.0001): Gasket – UHF/VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Feb 8, 2022 - [AG728000-52](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178262771720220408135730.0001): Gasket – Satcom Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jan 26, 2022 - [AG627000-23](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101289647120220408135710.0001): Gasket – Marker Beacon. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Dec 15, 2021 - [AG627000-12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181581173620220408140249.0001): Gasket – Marker Beacon Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2021 - [AG358000-08](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100561747320220408135824.0001): Gasket – ELT Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2021 - [AG843000-17](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID383458205820211110110521.0001): Gasket-UHF/VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 9, 2021 - [R6125-50126-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID987881246120210623160050.0001): FITTING ASSEMBLY. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6125-50126-3 · Mar 12, 2021 - [RB2106-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID948163446620210623160140.0001): BEARING. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SB2106-103 · Mar 12, 2021 - [R6140-62118-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID898129055520210623160057.0001): TORQUE. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6140-62118-5 · Mar 12, 2021 - [R6125-50126-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID623565018920210623160050.0001): FITTING. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6125-50126-4 · Mar 12, 2021 - [RS4059-25-524](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID615587716520210623160143.0001): SPACER. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SS4059-25-524 · Mar 12, 2021 - [R6125-61861-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID605636896920210623160052.0001): STOP. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6125-61861-1 · Mar 12, 2021 - [R6130-80080-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID565579870820210623160053.0001): LINK. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6130-80080-1 · Mar 12, 2021 - [R6147-62006-](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID502154995920210623160111.0001): SLEEVE. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6147-62006-101 · Mar 12, 2021 - [R6165-20227-0](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID408920715820210623160113.0001): DECAL. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6165-20227-0 · Mar 12, 2021 - [R6140-62130-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID381251781320210623160104.0001): TUBE. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6140-62130-1 · Mar 12, 2021 - [R6120-60908-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID268935903720210623160048.0001): ROD END. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6120-60908-4 · Mar 12, 2021 - [RB2604-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID247427346420210623160141.0001): BEARING. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces SB2604-1 · Mar 12, 2021 - [R6140-62118-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID201299125520210623160054.0001): TORQUE. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6140-62118-4 · Mar 12, 2021 - [R6140-62130-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189019395520210623160108.0001): WASHER. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6140-62130-2 · Mar 12, 2021 - [R6140-62130-0](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172468332220210623160101.0001): SPACER. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6140-62130-0 · Mar 12, 2021 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID780520770202106231601020.0001): Rotair Aerospace Corporation · PMA PQ0781NE · Mar 11, 2021 - [AG358000-07](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID997494457020210727195148.0001): Gasket – ELT Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Dec 11, 2020 - [AG786000-01](https://drs.faa.gov/browse/excelExternalWindow/F240EB736CAF9B6F86258639004F7BE3.0001): Gasket - StormScope Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Dec 8, 2020 - [R6132-61033-1](https://drs.faa.gov/browse/excelExternalWindow/83CDCA1AA07B786D8625863A005E0DF6.0001): SCREW. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6132-61033-1 · Dec 5, 2020 - [R6137-64329-2](https://drs.faa.gov/browse/excelExternalWindow/6BE5065103323AB38625864100400764.0001): Tube Assy. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6137-64329-2 · Dec 3, 2020 - [AG843000-79](https://drs.faa.gov/browse/excelExternalWindow/7C47B4B54B5941DF862586240047DC8E.0001): Gasket - UHF / AM / IFF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2020 - [NREM-DL30](https://drs.faa.gov/browse/excelExternalWindow/D219BC331D25B5B586258625004DF7FA.0001): Air Conditioning Module. National Aircraft Svc Inc · PMA PQ2369CE · Modification part · Nov 15, 2020 - [NREM-DL30](https://drs.faa.gov/browse/excelExternalWindow/2D7E2FD3C1328B8E86258624006B60B3.0001): Air Conditioning Module. National Aircraft Svc Inc · PMA PQ2369CE · Modification part · Nov 15, 2020 - [AG477000-35](https://drs.faa.gov/browse/excelExternalWindow/CAA7A03C831CF5A78625861F004520E1.0001): Gasket - GPS ANTENNA. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 11, 2020 - [R61350-24073-102](https://drs.faa.gov/browse/excelExternalWindow/FBF94D10D443C13986258610003B6232.0001): SUPPORT. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces 61350-24073-102 · Oct 27, 2020 - [AG822000-09](https://drs.faa.gov/browse/excelExternalWindow/B363A74FB05068CA862586020044D52C.0001): Gasket - TCAS Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Oct 13, 2020 - [AG247000-05](https://drs.faa.gov/browse/excelExternalWindow/A8B3EE75D8E4BBD2862585E5006243CC.0001): Gasket - Security System Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 24, 2020 - [AG843000-19](https://drs.faa.gov/browse/excelExternalWindow/6325AFC5586C8E34862585E500649009.0001): Gasket - VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 24, 2020 - [R6110-25090-1](https://drs.faa.gov/browse/excelExternalWindow/1DD742FFA2E17709862585DE0058408F.0001): ARM. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6110-25090-1 · Aug 19, 2020 - [L8528061](https://drs.faa.gov/browse/excelExternalWindow/B51238A586582216862586160054E83C.0001): Oil Cooler. Honeywell International Inc. Honeywell Aerospace · PMA PQ1222NM · Replaces 8528061 · Jul 26, 2020 - [L8528061](https://drs.faa.gov/browse/excelExternalWindow/54DA8E8AC74365D9862586160054E870.0001): Oil Cooler. Honeywell International Inc. Honeywell Aerospace · PMA PQ1222NM · Replaces S6135-6401-1 · Jul 26, 2020 - [SB5103-9ACD](https://drs.faa.gov/browse/excelExternalWindow/F5BDC401BB3EF832862585A000499198.0001): Bearing, Rod End. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB5103-9 · Jun 22, 2020 - [SB5103-21ACD](https://drs.faa.gov/browse/excelExternalWindow/E7657D7AA4BEA295862585A00049920D.0001): Bearing, Rod End. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB5103-21 · Jun 22, 2020 - [SB5103-22ACD](https://drs.faa.gov/browse/excelExternalWindow/455004295612D161862585A000499245.0001): Bearing, Rod End. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB5103-22 · Jun 22, 2020 - [SB5103-10ACD](https://drs.faa.gov/browse/excelExternalWindow/3BE12AC9670F02AF862585A0004991D2.0001): Bearing, Rod End. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB5103-10 · Jun 22, 2020 - [AG822000-03](https://drs.faa.gov/browse/excelExternalWindow/25D416C8B528F4988625859F003C440E.0001): Gasket - TCAS Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · May 31, 2020 - [SB2604-1ACD](https://drs.faa.gov/browse/excelExternalWindow/DB21D4ED8C4EE534862585930044EA0E.0001): Roller. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB2604-1 · Mar 8, 2020 - [SB1056-2ACD](https://drs.faa.gov/browse/excelExternalWindow/96C9D42020D21256862585930044E9E3.0001): Bearing, Annular Ball. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB1056-2 · Mar 8, 2020 - [AG843000-17](https://drs.faa.gov/browse/excelExternalWindow/44F91AF19B0D8D4586258591003A1785.0001): Gasket - UHF/VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jan 1, 2020 - [R6130-62039-1](https://drs.faa.gov/browse/excelExternalWindow/81A24749536F99A786258561005B1F0E.0001): GUIDE. Rotair Aerospace Corporation · PMA PQ0781NE · Replaces S6130-62039-1 · Sep 11, 2019 All of them: https://openairdocs.org/model/sikorsky-s-61d/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.