NTSB investigations: Sikorsky S-61N

11 cases on aircraft the registry lists as Sikorsky S-61N. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19662026
NTSB investigations: Sikorsky S-61N per year, 1966–2026: 11 cases
19662
19731
19751
20082
20161
20201
20222
20251

Latest cases

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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.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.

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