Sikorsky S-61A

Aircraft model · Rotorcraft · Rotorcraft · registry code 814210C

Manufacturer (registry)
SIKORSKY
Model
S-61A
Registry code
814210C
Registered
5 aircraft
Type
Rotorcraft
Engines
2 · Turbo-shaft
Seats
28
Weight class
12,500 to 19,999 lb
Cruise speed
129 mph
Certification
Type certificated
Data sheet
TCDSH2EA
Holder
Sikorsky Aircraft Corporation

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 · 14

1960Registered nowDeregistered2026
Aircraft by the year they were built: 14 aircraft
19601
19613
19621
19631
19642
19713
19763

Airworthiness directives that may apply · 43

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: 43 ADs
19651
19661
19671
19681
19703
19713
19723
19731
19751
19771
19802
19832
19842
19851
19872
19892
19901
19911
19971
19991
20001
20021
20081
20131
20151
20213
20221
20231
20262
See all 46 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 ('814210C'))
  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 · 5

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 ('814210C')
  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 · 7

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

Defining event, 2008 on

Of 1 case NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

First occurrence, 1982 to 2007

Of 5 cases with NTSB’s older coding, defined in its coding manual.

NTSB WPR15LA248Accident · Minor injuriesLimited investigationFinal reportSikorsky S 61A · Ironside, ORA loss of power to the No. 2 engine due to the failure of the accessory gearbox drivetrain. Also causal was the pilot’s inability to release the external longline due to the use of a safety wire across the coupling of the quick-disconnect mechanism, which…Aug 20, 2015 · N1043T · Substantial damageNTSB ATL03FA065Accident · 1 fatalField investigationFinal reportSikorsky S-61A · Kimble, TNThe interruption of rotor system drive power due to the input free wheeling unit malfunctioning , and the pilot's operation of the helicopter in the critical area of the height-velocity curve.Mar 23, 2003 · N81664 · DestroyedNTSB NYC03LA037Accident · Serious injuriesLimited investigationFinal reportSikorsky S-61A · Glady, WVThe improper installation of the left tailrotor control cable by company maintenance personnel.Jan 12, 2003 · N8170V · Substantial damageNTSB LAX02FA116Accident · 1 fatalField investigationFinal reportSikorsky S-61A · Lakehead, CAA loss of engine power for undetermined reasons, and the flight crew's failure to maintain rotor rpm following a loss of engine power while maneuvering.Mar 26, 2002 · N318Y · DestroyedNTSB ANC01LA109Accident · No injuriesLimited investigationFinal reportSikorsky S61A · Wrangell, AKThe separation of a steel long line cable that failed and rebounded from a load of logs into the helicopter's main and tail rotors.Aug 11, 2001 · N5193Y · Substantial damageNTSB LAX00LA193Accident · Minor injuriesLimited investigationFinal reportSikorsky S61A · Eureka, CAthe loss of power in all engines due to the pilot's inadequate in-flight decision to continue flight with fuel level below the landing minimums specified in the flight manual, which resulted in the unporting of the fuel supply line and fuel starvation. A…May 11, 2000 · N693CC · Substantial damageNTSB SEA73FYG21Accident · 2 fatalClosedSikorsky S-61A · Chelan, WADec 14, 1972 · N318Y · Destroyed
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 ('814210C')
  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 · 7

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

Incident 20230821009989ISikorsky S-61A · Deer Park, WAHelicopter was performing firefighting operations, during a hover over dip site to fill tanks, rotor made contact with tree limb. Precautionary landing made at airport. Post-flight inspection found small delamination on the rotor blades.Aug 21, 2023 · N1048Y · Minor damageAccident 20150819013969ASikorsky S-61A · Unity, ORWhile performing a wildland firefighting mission under 14 CFR part 133, this aircraft experience a partial rotor system power loss (PIC and SIC assumed this was from an engine failure). The event began as the aircraft finished filling its water bucket…Aug 19, 2015 · N1043T · DestroyedAccident 20030323003739ASkrsky S61A · Kembal, TN(-23) On 3/23/03 a Sikorsky S-16A, N81664, registered to and operated by carson helicopters inc., collided with terrain and burst into flames during a logging operation in a remote area near the city of kimbal, TN. The flight was conducted under the…Mar 23, 2003 · N81664 · Destroyed · 1 fatalAccident 20030112001679ASkrsky S61A · Glady, WV(-23) Pilot stated that he lost tail rotor control while hovering above a field at around 3600 ft MSL during a logging operation. Attempts to recover from the resulting spin will full opposite pedal was ineffective. Power was reduced to counter the spin and…Jan 12, 2003 · N8170V · Substantial damageAccident 20020326007939ASkrsky S61A · Dusmuir, CA(-23) While helicopter was conducting logging operations, it experienced loss of rotor RPM, the rotor blades coned up, followed by the aircraft droppinto into terrain.Mar 26, 2002 · N318Y · No damage · 1 fatalAccident 20010811039289ASkrsky S61A · Wrangell, AK(-23) Investigation revealed that the 5/8" steel cable (long line) had failed between the helicopter sling hook and the external sling load (logs) at the time the external load was to be released. The cable portion that was still connected to the helicopter…Aug 11, 2001 · N5193Y · Substantial damageAccident 20000510012809ASkrsky S61A · Eureka, CA(-23) On may 10, 2000 at 1500 hrs PDT, a Sikorsky S61A, N693CC, experienced a dual engine failure (#1 engine failed and 10 seconds later #2 engine failed) on approach to an off-airport landing site and made a forced landing approx. 2.8 miles east of Eureka,…May 10, 2000 · N693CC · No 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 ('814210C')
  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 · 32

See all 32 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 = 'S61A'
  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 · 39

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 39 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 ('814210C')
    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 · 744

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 744 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 ('H2EA')
    AND len(list_intersect(tcds_models, ['S-61A'])) > 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 = 'S61A' AND m.code NOT IN ('814210C')
  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.