# Sikorsky S-61NM

- Type: Aircraft model (FAA registry)
- Registry code: 8142105
- Manufacturer (registry): SIKORSKY
- Model: S-61NM
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 28
- Weight class: 12,500 to 19,999 lb
- Certification: Type certificated
- Data sheet: [TCDS 1H15](https://openairdocs.org/tcds/1H15) (OpenAirDocs)
- Holder: Sikorsky Aircraft
- Registered aircraft: 1
- Page: https://openairdocs.org/model/sikorsky-s-61nm

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 2021-05-19](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 2013-06-51](https://openairdocs.org/ad/2013-06-51): Equipment/Furnishings · Agusta A109, A109A, A109A II and 43 more. Effective Jul 15, 2013
- [AD 2013-05-17](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 2007-01-05](https://openairdocs.org/ad/2007-01-05): Main gearbox input left and right freewheel unit (IFWU) assembly · Sikorsky S-61L, S-61N, S-61NM and 1 more. Effective Feb 14, 2007
- [AD 2004-15-22](https://openairdocs.org/ad/2004-15-22): Bearing chip detector · Sikorsky S-61L, S-61N, S-61NM and 1 more. Effective Sep 7, 2004
- [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 89-04-01 R3](https://openairdocs.org/ad/89-04-01-R3): Truss Tube Assemblies · Sikorsky S-61N and S-61NM. 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 85-18-05 R2](https://openairdocs.org/ad/85-18-05-R2): Main Rotor Blades · Sikorsky S-61A, S-61L, S-61N and 3 more. Effective Feb 8, 1989
- [AD 87-15-11](https://openairdocs.org/ad/87-15-11): Gearbox Brackets · Sikorsky S-61A, S-61L, S-61N and 3 more. Effective Aug 10, 1987
- [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 74-20-07 R5](https://openairdocs.org/ad/74-20-07-R5): Main Rotor Blades · Sikorsky S-61A, S-61L, S-61N and 3 more. Effective Dec 30, 1983
- [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 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 74-20-09](https://openairdocs.org/ad/74-20-09): Main Rotor Blades · Sikorsky S-61A, S-61L, S-61N and 2 more. Effective Feb 25, 1977
- [AD 76-06-01](https://openairdocs.org/ad/76-06-01): Hydraulic Pumps · Erickson Air-Crane S-64A, S-64E, S-64F and 12 more. Effective Mar 24, 1976
- [AD 76-03-02](https://openairdocs.org/ad/76-03-02): Fractures in Barrel Nuts · Sikorsky S-61L, S-61N, S-61NM and 1 more. Effective Feb 17, 1976
- [AD 75-26-10](https://openairdocs.org/ad/75-26-10): Component Replacement · Sikorsky S-61L, S-61N and S-61NM. Effective Jan 2, 1976
- [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 75-17-33](https://openairdocs.org/ad/75-17-33): Baggage Doors · Sikorsky S-61L, S-61N and S-61NM. Effective Oct 3, 1975
- [AD 75-12-01](https://openairdocs.org/ad/75-12-01): Main Rotor Blades · Sikorsky S-61L, S-61N, S-61NM and 1 more. Effective Jun 12, 1975
- [AD 74-25-05](https://openairdocs.org/ad/74-25-05): Main Rotor Blades · Sikorsky S-61L, S-61N, S-61NM and 1 more. Effective Nov 6, 1974
- [AD 74-25-06](https://openairdocs.org/ad/74-25-06): Takeoff Gross Weight Limitation · Sikorsky S-61L, S-61N and S-61NM. Effective Oct 16, 1974
- [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 85-15-05](https://openairdocs.org/ad/85-15-05): Main Rotor Horn Eyebolt/Eyebolt Assembly · Sikorsky S-61L, S-61N and S-61NM
- [AD 79-12-10](https://openairdocs.org/ad/79-12-10): Tail Rotor Blades · Sikorsky S-61A, S-61D, S-61E and 5 more
- [AD 78-12-05](https://openairdocs.org/ad/78-12-05): Fixed S-61L Type Landing Gears · Sikorsky S-61A, S-61L, S-61N and 1 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 (1)

- [N618CK](https://openairdocs.org/aircraft/N618CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), S/N 61454

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (2)

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

- [SDR CA031209002](https://openairdocs.org/sdr/CA031209002), Dec 9, 2003: BUSHING. MISMANUFACTURED. (CAN) THE SUBJECT BUSHING INSIDE DIAMETER WAS NOT WITHIN DRAWING LIMITS. DRAWING LIMITS ARE 2.533 - 2.536. ACTUAL WAS 2.532. THIS BUSHING WOULD NOT FIT ON TO TH
- [SDR CA031208008](https://openairdocs.org/sdr/CA031208008), Dec 8, 2003: BEARING. MISMANUFACTURED. (CAN) BRG IS ONE OF FOUR BABBITT BRS LOCATED IN INPUT HOUSING AND COVER OF MGB. BRG IN QUESTION IS LOCATED IN THE INPUT COVER IN THE NR 1 POSITION. THIS GB WAS 

## STCs that may be installed (OpenAirDocs) (29)

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 SR00814SE](https://openairdocs.org/stc/SR00814SE): Fabrication of reinforcement kit - aft fuselage station 493. For model S61A, applies to S/N 61094. For model S61NM, applies to S/N 66454. Croman Corporation
- [STC SR01264SE](https://openairdocs.org/stc/SR01264SE): Fabrication of Helipro replacement windshields. Croman Corporation
- [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 SR02279AK](https://openairdocs.org/stc/SR02279AK): Installation of dual Rockwell Collins FDS 2000 flight displays, dual AHS 3000 attitude and heading reference systems, dual Garmin GNS 530 navigation systems and supporting avionics equipment. Croman Corporation
- [STC SR04501CH](https://openairdocs.org/stc/SR04501CH): The certification of various configurations of cockpit side windows. CHI Aviation
- [STC SR01127SE](https://openairdocs.org/stc/SR01127SE): Modification of main rotor blade part number 61170-20201 in accordance with Master Drawing List RR 9633-08, Revision A, dated September 17, 2002, or later FAA approved revision. Retirement life for the modified main rotor blade, part number RR-61170-20201 is 21,200 total time in service. Park Technologies, LLC
- [STC SR04483CH](https://openairdocs.org/stc/SR04483CH): Installation of NASI NREM18M Air Conditioning Module. National Aircraft Service Inc. (NASI)
- [STC SR00925DE](https://openairdocs.org/stc/SR00925DE): Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality. Peregrine
- [STC SR04401NY](https://openairdocs.org/stc/SR04401NY): Increase of Out of Ground Effect (OGE) Hover Performance. Carson Helicopters Inc
- [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 SR02487NY](https://openairdocs.org/stc/SR02487NY): Increased Category A Performance for the Sikorsky S-61L, S-61N and S-61NM Helicopters. Carson Helicopters, Inc
- [STC SR02267SE](https://openairdocs.org/stc/SR02267SE): Fabrication of replacement transmission fittings. Croman Corporation
- [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 SR02501LA](https://openairdocs.org/stc/SR02501LA): Removal of the Bendix 30E20-11-C 300 Amp Starter Generator and installation of the AMETEK Aerospace MG105A-1, 300 Amp Starter Generator. Carson Helicopters, Inc
- [STC SR01426SE](https://openairdocs.org/stc/SR01426SE): Fabrication and installation of components for a left seat pilot-in-command operation. Croman Corporation
- [STC SR00319SE](https://openairdocs.org/stc/SR00319SE): Modification of Part Number S6137-23009-6 main transmission rear cover per. Croman Corporation
- [STC SR01534SE](https://openairdocs.org/stc/SR01534SE): Installation of the transmission input modification to the main gear box. Croman Corporation
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International 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
- [STC SR02382NY](https://openairdocs.org/stc/SR02382NY): Increase of Out of Ground Effect (OGE) and In Ground Effect (IGE) Hover Performance for the Sikorsky S-61L, S-61N and S-61NM Helicopters. Carson Helicopters Inc
- [STC SA02279AK](https://openairdocs.org/stc/SA02279AK): Installation of dual Rockwell Collins FDS 2000 flight displays, dual AHS 3000 attitude and heading reference systems, dual Garmin GNS 530 navigation systems and supporting avionics equipment . Acrohelipro Global Services USA Inc
- [STC SR09448RC](https://openairdocs.org/stc/SR09448RC): Installation of Concorde Battery Corporation Model RG-3BOE/44 Valve Regulated Sealed Lead Acid Battery. Carson Helicopters Inc
- [STC SR02057NY](https://openairdocs.org/stc/SR02057NY): Upgrade of the S6135-20600 series main gearbox by replacing input free-wheeling units in accordance with Carson drawing. IFWU INSTL Carson S-61 No. CHI-R-001, no revision, dated 12-15-04 and Carson Installation Instructions Report CHI-R-INSTALL, no revision, dated 12-14-04. Carson Helicopters, Inc
- [STC SR02373AT](https://openairdocs.org/stc/SR02373AT): Manufacture of a titanium transmission support fitting assembly. Clayton International Inc
- [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International
- [STC SH853NE](https://openairdocs.org/stc/SH853NE): Replacement of life-limited components. Rotair Industries, Inc
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International
- [STC SH413NW](https://openairdocs.org/stc/SH413NW): Installation of an electronic weighing system. Measurement Systems Intl

## PMA parts (OpenAirDocs) (783, 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.

- [MDL TD 031851](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126524348320250508133547.0001): VA-1A( )AndAccessories. Electronics International Inc · PMA PQ0088NM · Modification part · Apr 10, 2025
- [SB5063-101ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173472979620230503123336.0001): Bearing, Spherical Plain, Self-Aligning. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB5063-101 · Apr 26, 2023
- [SB2501-1ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187843990020220713192317.0001): Bearing, Inner Race Needle. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB2501-1 · Jul 8, 2022
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127063789720220809130923.0001): Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · May 10, 2022
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159924074320220809102553.0001): Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · Apr 18, 2022
- [AG844000-15](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137281346620220408135811.0001): Gasket – UHF/VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Feb 8, 2022
- [AG728000-52](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104771530620220408135729.0001): Gasket – Satcom Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jan 26, 2022
- [AG627000-23](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186622917920220408135709.0001): Gasket – Marker Beacon. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Dec 15, 2021
- [AG627000-12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134043999220220408140248.0001): Gasket – Marker Beacon Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2021
- [AG358000-08](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104102772720220408135823.0001): Gasket – ELT Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2021
- [61350-20459-102ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID573416591620210712201311.0001): Bushing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 61350-20459-102 · Jun 16, 2021
- [61350-20459-101ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID383063656520210712201310.0001): Bushing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 61350-20459-101 · Jun 16, 2021
- [61350-20457-101ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID287616081202107122013090.0001): Retainer Roller. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 61350-20457-101 · Jun 16, 2021
- [AG358000-07](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID319330416420210727195147.0001): 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
- [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
- [SB2506-3ACD](https://drs.faa.gov/browse/excelExternalWindow/4A8E47F4070D43B2862586260044ADD3.0001): Inner Race, Needle Bearing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB2506-3 · Nov 16, 2020
- [SB2506-1ACD](https://drs.faa.gov/browse/excelExternalWindow/292DA472085BF408862586260044AD96.0001): Inner Race, Needle Bearing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB2506-1 · Nov 16, 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
- [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
- [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
- [SB1519-2ACD](https://drs.faa.gov/browse/excelExternalWindow/A57AFFE942C1A152862585A00049930C.0001): Bearing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB1519-2 · Jun 22, 2020
- [SB1518-1ACD](https://drs.faa.gov/browse/excelExternalWindow/88007A937AD95780862585A0004992AC.0001): Bearing, Stacked. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB1518-1 · 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
- [SB3254B1ACD](https://drs.faa.gov/browse/excelExternalWindow/68834558E6E55B64862585930044E931.0001): Cup, Tapered Roller Bearing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB3254B1 · Mar 8, 2020
- [SB3255B1ACD](https://drs.faa.gov/browse/excelExternalWindow/5484514B1CABEFB6862585930044E99A.0001): Cup, Tapered Roller Bearing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB3255B1 · Mar 8, 2020
- [SB3255A1ACD](https://drs.faa.gov/browse/excelExternalWindow/31AFE82F190B0144862585930044E96D.0001): Cone, Tapered Roller Bearing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB3255A1 · Mar 8, 2020
- [SB3254A1ACD](https://drs.faa.gov/browse/excelExternalWindow/16F9F81A46AF96E7862585930044E8F6.0001): Cone, Tapered Roller Bearing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces SB3254A1 · Mar 8, 2020
- [AG247000-04](https://drs.faa.gov/browse/excelExternalWindow/F4D9B388DAECF53586258553004D4A85.0001): Gasket - L-Band Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jun 25, 2019
- [AG822000-08](https://drs.faa.gov/browse/excelExternalWindow/CB9177DCB006663B862585520042A887.0001): Gasket - TCAS Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jun 9, 2019
- [AG723000-27](https://drs.faa.gov/browse/excelExternalWindow/0740FB46C2B93B86862585520042A854.0001): Gasket - Radio Altimeter Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jun 9, 2019
- [428-406-3](https://drs.faa.gov/browse/excelExternalWindow/EFDD6665E5C5B568862583C90066DD10.0001): 3/16 Compression Plug. Carson Helicopters, Inc. · PMA PQ4181NE · Replaces * Modification Parts · Jul 1, 2018
- [428-201-1](https://drs.faa.gov/browse/excelExternalWindow/EA44B9219D9361E3862583C90066DCAB.0001): Alignment Bushing Assembly. Carson Helicopters, Inc. · PMA PQ4181NE · Modification part · Jul 1, 2018
- [428-407-1](https://drs.faa.gov/browse/excelExternalWindow/BF0E860D260E7BC6862583C90066DD17.0001): Tip Weight Plug Assy. Carson Helicopters, Inc. · PMA PQ4181NE · Modification part · Jul 1, 2018
- [428-405-15](https://drs.faa.gov/browse/excelExternalWindow/BF06442E928F4D88862583C90066DCEB.0001): 3/16 Aluminum Balance Weight. Carson Helicopters, Inc. · PMA PQ4181NE · Replaces * Modification Parts · Jul 1, 2018
- [428-404-1](https://drs.faa.gov/browse/excelExternalWindow/A52CEF25ACC1215A862583C90066DCC6.0001): Grounding Strap Assy. Carson Helicopters, Inc. · PMA PQ4181NE · Modification part · Jul 1, 2018
- [428-405-13](https://drs.faa.gov/browse/excelExternalWindow/9D55951A6384D83A862583C90066DCE7.0001): 3/16 Delrin Balance Weight. Carson Helicopters, Inc. · PMA PQ4181NE · Replaces * Modification Parts · Jul 1, 2018
- [428-405-19](https://drs.faa.gov/browse/excelExternalWindow/7B6D25BF8DC4E15A862583C90066DCF7.0001): 3/16 Tungsten Balance Weight. Carson Helicopters, Inc. · PMA PQ4181NE · Replaces * Modification Parts · Jul 1, 2018
- [428-500-1](https://drs.faa.gov/browse/excelExternalWindow/788A6679C5235441862583C90066DD23.0001): S-61 Tail Rotor Blade - Pitch Sleeve. Carson Helicopters, Inc. · PMA PQ4181NE · Modification part · Jul 1, 2018
- [428-405-3](https://drs.faa.gov/browse/excelExternalWindow/6203478C24473166862583C90066DCCF.0001): 1/4 Delrin Balance Weight. Carson Helicopters, Inc. · PMA PQ4181NE · Modification part · Jul 1, 2018
- [428-405-5](https://drs.faa.gov/browse/excelExternalWindow/5F525EADCDBB7512862583C90066DCD4.0001): 1/4 Aluminum Balance Weight. Carson Helicopters, Inc. · PMA PQ4181NE · Replaces * Modification Parts · Jul 1, 2018

All of them: https://openairdocs.org/model/sikorsky-s-61nm/pma.md

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