NTSB investigations: Bell 206B
21 cases on aircraft the registry lists as Bell 206B, where the sequence of events included Off-field or emergency landing. 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
| 2008 | 1 |
|---|---|
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 4 |
| 2017 | 5 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
Where
Open the mapLatest 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 ('1181511')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '440' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
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.
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 ('1181511')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '440' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB WPR24LA067Accident · No injuriesClass 3 · LimitedFinal reportBell 206B · El Centro, CAAn in-flight failure of the engine-to-transmission driveshaft due to a fatigue fracture of the forward-most flex plate in the forward KAflex coupling that resulted from a loose bolt attachment between the flex plate and the forward driveshaft coupling.…NTSB CEN23LA025Accident · Minor injuriesClass 3 · LimitedFinal reportBell 206 · Greenville, ILThe mechanic’s failure to inspect and clean the entire fuel nozzle assembly in accordance with the engine maintenance manual, which resulted in fuel starvation and a partial loss of engine power, an autorotation, and a hard landing.NTSB CEN22LA009Accident · Minor injuriesClass 3 · LimitedFinal reportBell 206 · Gonzales, LAThe student pilot’s failure to compensate for an unanticipated right yaw, which resulted in a loss of tail rotor effectiveness and helicopter control.NTSB WPR18LA029Accident · Minor injuriesClass 3 · LimitedFinal reportBell 206 · Rolling Fork, MSAn uncommanded yaw and subsequent loss of main rotor rpm for reasons that could not be determined.NTSB GAA17CA393Accident · No injuriesData collectionFinal reportBell 206 · Dixon, KYThe pilot’s failure to see and avoid power lines while maneuvering at a low altitude. Contributing to the accident was the pilot’s failure to adequately identify hazards to flight during agricultural application operation planning.NTSB GAA17CA369Accident · No injuriesData collectionFinal reportBell 206B · Entiat, WAThe pilot’s failure to secure a loose item inside the cockpit that interfered with antitorque pedal control and led to a loss of helicopter control due to a loss of tail rotor effectiveness.NTSB WPR17LA113Accident · Serious injuriesLimited investigationFinal reportBell 206B · Rockville, IDThe in-flight failure of the engine-to-transmission drive shaft due to a fatigue fracture of one of the KAflex flex frames caused by a loose bolt, which resulted in a total loss of engine power and a subsequent hard landing.NTSB WPR17LA071Accident · No injuriesLimited investigationFinal reportBell 206B · Firebaugh, CAA total loss of engine power due to fuel exhaustion. Contributing to the accident was the improper calibration of the fuel quantity gauge, which led the pilot to believe that there was adequate fuel onboard.NTSB GAA15LA296Accident · No injuriesLimited investigationFinal reportBell 206 · Ozark, ALThe pilot's failure to maintain clearance from terrain while hovering, which resulted in the helicopter's skid impacting terrain, subsequent abnormal airframe vibrations, and a hard landing during the subsequent hovering autorotation.NTSB CEN15LA423Accident · Serious injuriesLimited investigationFinal reportBell 206B · Woodville, TXThe loss of engine power due to water contamination in the fuel system. Contributing to the accident were the pilot’s inadequate preflight inspection of the fuel tanks and the operator’s inadequate inspection of the fuel supply truck that did not detect water…NTSB ERA15LA179Accident · No injuriesLimited investigationFinal reportBell 206B · Taylors Island, MDA partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB ANC15CA012Accident · No injuriesData collectionFinal reportBell 206B · Palmer, AKThe pilot's failure to maintain control while hovering at a low altitude, which resulted in an impact with frozen lake ice. Contributing to the accident was the pilot's decision to operate the helicopter from the left seat contrary to the rotorcraft flight…NTSB CEN15LA002Accident · Serious injuriesLimited investigationFinal reportBell 206B · Woodsboro, TXThe pilot’s failure to recognize and correct for flight conditions conducive to a loss of tail rotor effectiveness, which resulted in a rapid, uncommanded right yaw and subsequent hard landing.NTSB CEN13LA378Accident · No injuriesLimited investigationFinal reportBell 206B · St Louis, MOThe loss of engine power due to the separation of compressor blades, which resulted from fatigue cracking.NTSB WPR13CA204Accident · No injuriesData collectionFinal reportBell 206B · Wells, NVThe pilot's failure to maintain clearance from an obstacle while maneuvering at a low altitude.NTSB ERA12LA366Accident · No injuriesLimited investigationFinal reportBell 206B · Longboat Key, FLUnknown personnel's failure to comply with the engine manufacturer's engine fuel pump replacement guidance, which resulted in a total loss of engine power due to the engine fuel pump failure.NTSB CEN11CA509Accident · No injuriesData collectionFinal reportBell 206B · Temple, OKThe pilot’s failure to maintain clearance from static power lines.NTSB WPR11LA016Accident · No injuriesLimited investigationFinal reportBell 206B · Auburn, CAThe pilot's failure to maintain clearance from a transmission line during flight.NTSB CEN10CA428Accident · No injuriesData collectionFinal reportBell 206B · New Hampton, IAThe pilot's failure to maintain clearance from wires.NTSB ERA10LA032Accident · Serious injuriesLimited investigationFinal reportBell 206 · Eupora, MSA loss of engine power due to fuel contamination of the helicopter’s fuel supply.NTSB ERA09LA047Accident · Minor injuriesLimited investigationFinal reportBell 206B · Boynton Beach, FLA loss of engine power due to an undertorqued air line fitting to the fuel control.