Sikorsky S-61N

Aircraft model · Rotorcraft · Rotorcraft · registry code 8142104

Manufacturer (registry)
SIKORSKY
Model
S-61N
Registry code
8142104
Registered
45 aircraft
Type
Rotorcraft
Engines
2 · Turbo-shaft
Seats
28
Weight class
12,500 to 19,999 lb
Cruise speed
112 mph
Certification
Type certificated
Data sheet
TCDS1H15
Holder
Sikorsky Aircraft

Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.

On this page

Aircraft by year built · 72

1960Registered nowDeregistered2026
Aircraft by the year they were built: 72 aircraft
19601
19621
19632
19644
19651
19661
19684
19696
19702
19714
19723
19733
19745
19754
19766
19779
19784
19793
19804
19851
19981
19991
20071
20101

Airworthiness directives that may apply · 53

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1965In forceSuperseded2026
ADs by the year they took effect: 51 ADs
19651
19661
19671
19681
19703
19713
19723
19742
19753
19763
19771
19781
19801
19832
19842
19851
19872
19892
19902
19911
19971
19991
20001
20021
20041
20071
20132
20151
20212
20221
20231
20262
See all 56 ADs
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('8142104'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Registered aircraft · 45

See all 45 registered aircraft
Query with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('8142104')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB investigations · 11

Aircraft matched to this model through the registry, by N-number and event date, checked against the reported serial number, make and model.

NTSB GAA25WA145Accident · Minor injuriesClass 5 · ForeignSikorsky S-61N · Sédjè, BeninJan 10, 2025 · N703HG · Substantial damageNTSB WPR22LA330Accident · Minor injuriesClass 3 · LimitedFinal reportSikorsky S-61N · Shady Cove, ORA total loss of engine power due to the failure of the No. 2 engine’s stage 1 turbine blades as a result of an unreported hot start two days earlier.Sep 1, 2022 · N617CK · Substantial damageNTSB ANC22FA018Accident · 4 fatalClass 3 · FieldFinal reportSikorsky S-61N · Kekaha, HIThe improper installation of the fore/aft primary servo by maintenance personnel, which resulted in the attaching hardware backing out and which subsequently rendered the helicopter uncontrollable. Contributing to the accident was the company’s quality…Feb 22, 2022 · N615CK · DestroyedNTSB DCA20LA100Accident · Serious injuriesClass 3 · LimitedFinal reportSikorsky S61 · Camp Dwyer, AfghanistanFatigue cracking of the auxiliary servo cylinder’s pedal damper check valve housing and its bolts, which caused the sudden and uncommanded movement of the helicopter’s left pedal and a subsequent left yaw that continued until ground impact. Contributing to…Apr 20, 2020 · N908CH · Substantial damageNTSB ERA16FA311Accident · 3 fatalField investigationFinal reportSikorsky S61 · Palm Bay, FLA dual loss of engine power for undetermined reasons after the pilot's improper decision to attempt another maneuver after recovering from a perceived compressor stall, rather than returning to the airport.Sep 6, 2016 · N805AR · DestroyedNTSB LAX08PA259Accident · 9 fatalClass 1Final reportSikorsky S-61N · Weaverville, CAThe following actions by Carson Helicopters: 1) the intentional understatement of the helicopter's empty weight, 2) the alteration of the power available chart to exaggerate the helicopter's lift capability, and 3) the practice of using unapproved…Aug 6, 2008 · N612AZ · DestroyedNTSB NYC08WA256Accident · No injuriesForeign investigationSikorsky S-61N · Cusco, PeruJul 19, 2008 · N91158 · Substantial damageNTSB SEA76FYA05Accident · Minor injuriesClosedSikorsky S-61L · Garden Valley, IDJul 22, 1975 · N301Y · Substantial damageNTSB OAK73IP020Incident · No injuriesClosedSikorsky S-61N · Oakland, CANov 17, 1973 · N4606G · Minor damageNTSB OAK67A0043Accident · No injuriesClosedSikorsky S-61N · Mountain View, CAOct 11, 1966 · N4606G · Substantial damageNTSB OAK66A0054Accident · No injuriesClosedSikorsky S-61N · San Francisco, CAJun 6, 1966 · N4606G · Substantial damage
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('8142104')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

FAA incident reports · 10

Matched to this model through the registry, by N-number and event date, checked against the reported make and model.

Accident 20220901012339ASikorsky S-61N · Shady Cove, ORPIC stated that they were approximately 200' AGL and had just lifted off with a load of chokers as part of a logging operation. The pilot heard a pop pop pop and the aircraft lost power and began to descend rapidly. The airman stated he tried to use remaining…Sep 1, 2022 · N617CK · Substantial damageAccident 20220222001029ASikorsky S-61N · Kekaha, HI02/22/2022: At approximately 10:20 HST an S61N, registration # N615CK, [privacy data omitted] was destroyed on ground impact at barking sands airport. The helicopter was performing a part 133 operation in support of the pacific missile range facility…Feb 22, 2022 · N615CK · Destroyed · 4 fatalAccident 20200420022249ASikorsky S-61N · Camp DwyerOn 20 April, 2020, at approximately 0800 local time, a Sikorsky S-61N, N908CH, experienced a loss of control in flight and rolled on its side during an emergency landing [privacy data omitted]. The three crew members onboard were seriously injured and the…Apr 20, 2020 · N908CH · Substantial damageIncident 20180919019159ISikorsky S-61N · Fort Pierce, FLFlying north bound about 15MN from fpr airport at 1500FT, MSL the aircraft hit a bird (seagull). The brid hit below the center windshield near the ILS antenna. The aircraft landed at fpr airport to inspect the aircraft for damage other than bird remains no…Sep 19, 2018 · N906CH · No damageAccident 20160906018209ASikorsky S-61N · Palm Bay, FLOn September 6, 2016, at approximately 1340 eastern daylight time, a Sikorsky S-61N, N805AR, was destroyed when it impacted the ground near Palm Bay, Florida. The accident site was located approximately 8 NM southwest of the Melbourne international airport.…Sep 6, 2016 · N805AR · Destroyed · 3 fatalIncident 20120229011311ISikorsky S-61NN408WC landed at support base xenon 37AND was taxing to parking. One pilot had hands on controls the second pilot was reading afteer landing checklist. An army CH-47 was parked in a spot designated for smaller aircraft. As N408WC passed the CH-47 blade tip of…Feb 29, 2012 · N408WC · Minor damageAccident 20080805857529ASkrsky S61N · Redding, CAOn August 5, 2008, at approximately 1940 pacific dayligt time, a Sikorsky S-61N helicopter, N612AZ, operated by carson helicopter servics inc., under contract of the us forest service, impacted terrain while departing helo sport 44 on the buck horn fire NE,…Aug 5, 2008 · N612AZ · Destroyed · 9 fatalIncident 19801019075309ISkrsky S61A · Mesa, AZRotor blast damaged a small parked aircraft, controls not locked. Helicopter pilot felt clearance was sufficient.Oct 19, 1980 · N4240S · Minor damageIncident 19800801067189ISkrsky S61A · Portland, PATow line for magnetometer broke causing it to fall to the ground.Aug 1, 1980 · N4240S · Minor damageAccident 19750722038639ASkrsky S61L · Garden Valley, IDExt load logging opn. Lost ctl after sudden pitch up drg transition fm hover to fwd flt.Jul 22, 1975 · N301Y · Substantial damage
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('8142104')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Service difficulty reports · 287

See all 287 difficulty reports
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = 'S61N'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

STCs that may be installed · 107

Approved for this model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

See all 107 STCs
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
    WHERE aircraft_model_code IN ('8142104')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

PMA parts · 1,000+

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.

See all 1,000+ PMA parts
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('1H15')
    AND len(list_intersect(tcds_models, ['S-61N'])) > 0
  ORDER BY supplement_date DESC, drs_guid DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

Query with SQL
duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
  WHERE m.match_key = 'S61N' AND m.code NOT IN ('8142104')
  GROUP BY ALL
  ORDER BY aircraft DESC
  LIMIT 12"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.