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NTSB investigations: Messerschmitt-Boelkow-Blohm BO-105S

26 cases on aircraft the registry lists as Messerschmitt-Boelkow-Blohm BO-105S. 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.

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Cases per year

19702026

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Query with SQL

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 ('5626006')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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 ('5626006'))
  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 ('5626006'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 ERA22LA342Accident · No injuriesClass 4 · LimitedFinal reportMesserschmitt-Boelkow-Blohm BO_105S · Daytona Beach, FLThe pilot’s rapid reduction of collective following an in-flight loss of control while lifting from a dolly resulting in a hard landing. Contributing to the loss of control was the pilot’s likely inadequate left anti-torque control pedal input during initial…Jun 30, 2022 · N160TH · Substantial damage NTSB CEN09LA571Accident · Minor injuriesLimited investigationFinal reportMesserschmitt-Boelkow-Blohm BO-105S · Thibodaux, LAThe pilot's inability to maintain control due to the mechanic's inadvertent switching of two cyclic control tubes of different lengths during maintenance.Sep 6, 2009 · N131EH · Substantial damage NTSB MIA06LA044Accident · Minor injuriesLimited investigationFinal reportMBB BO-105S · Ponce, PRA loose B-nut on the PC line connecting the power turbine governor (PTGOV) to the fuel control unit (FCU) that created a leak and caused the engine to roll back to an idle condition, causing a low hydraulic system pressure and subsequent control lock. A…Jan 12, 2006 · N495LF · Substantial damage NTSB MIA05FA008Accident · 3 fatalField investigationFinal reportEurocopter Deutschland BO-105 CBS5 · Santa Rosa Bch, FLThe pilot's spatial disorientation and in-flight loss of control of the helicopter after encountering night instrument meteorological conditions resulting in collision with water during the resultant uncontrolled descent. A factor in the accident was the…Oct 20, 2004 · N916SH · Destroyed NTSB FTW99LA215Accident · No injuriesLimited investigationFinal reportMbb BO-105S · Vermilion 250The failure of the pilot to maintain directional control of the helicopter while attempting to takeoff. A factor was the high wind condition.Aug 10, 1999 · N2785R · Substantial damage NTSB LAX99FA137Accident · 3 fatalField investigationFinal reportMbb B0-105CBS-4 · Indian Springs, NVthe pilot's decision to continue VFR flight in deteriorating IFR conditions resulting in spatial disorientation and subsequent loss of control.Apr 4, 1999 · N105HH · Destroyed NTSB FTW97FA121Accident · 1 fatalField investigationFinal reportMBB BO-105S · Lena, LAThe pilot's continued VFR flight into instrument meteorological conditions, and his subsequent loss of aircraft control due to spatial disorientation. Factors were the pilot not following company procedures and directives, the low ceiling, and the dark night…Mar 14, 1997 · N7161J · Destroyed NTSB FTW97FA014Accident · 1 fatalField investigationFinal reportMbb BO-105 CBS-4 · Cameron, LAthe pilot's failure to maintain clearance with terrain for undetermined reasons. Contributing factors were the dark night and pilot fatigue.Oct 10, 1996 · N299EH · Destroyed NTSB FTW96FA265Accident · 4 fatalField investigationFinal reportMbb BO-105 · Sabine Pass, TXThe failure of the sun gear within the main transmission resulting in the main rotor system not being driven.Jun 21, 1996 · N2906T · Destroyed NTSB FTW96FA136Accident · 2 fatalField investigationFinal reportMbb BO-105 · Gulf Of MexicoThe pilot's failure to maintain clearance from the ocean for unknown reasons.Feb 10, 1996 · N126EH · Destroyed NTSB FTW96FA028Accident · 2 fatalField investigationFinal reportMbb BO-105S · League City, TXthe pilot's failure to maintain aircraft control. Factors were the pilot's lack of total experience in the MBB BO-105 helicopter and the dark night light conditions.Oct 26, 1995 · N105AG · Destroyed NTSB FTW95LA099Accident · No injuriesLimited investigationFinal reportMBB BO-105S · Cameron 278bThe pilot's failure to remove the tiedoown during the preflight and an inadequate preflight.Jan 23, 1995 · N51948 · Substantial damage NTSB MIA95FA018Accident · 2 fatalField investigationFinal reportBölkow BO-105S · Perry, FLFailure of the pilot to maintain sufficient clearance from the power line, while buzzing (at low altitude).Nov 4, 1994 · N911LF · Destroyed NTSB SEA94LA047Accident · Minor injuriesLimited investigationFinal reportMBB BO-105S · Clearwater, ORThe pilot in command's failure to maintain clearance with the transmission wires. Factors contributing to the accident were the wires and sunglare.Jan 6, 1994 · N204PC · Destroyed NTSB FTW92LA212Accident · No injuriesLimited investigationFinal reportMBB BO 105CBS-4 · Ship Shoal 90Loss of power to both engines from fuel starvation due to the pilot's failure to switch on the main fuel boost pumps.Aug 16, 1992 · N295EH · Substantial damage NTSB CHI92LA233Accident · Minor injuriesLimited investigationFinal reportMBB BO-105 · Madison, SDThe pilot's inadequate visual lookout and inadvertent descent.Aug 9, 1992 · N30SV · Substantial damage NTSB NYC92FA044Accident · 3 fatalField investigationFinal reportMBB BO-105CBS · De Ruyter, NYAn inflight collision with terrain after the pilot experienced spatial disorientation. Factors related to the accident were the night conditions, and the lack of visual cues.Dec 10, 1991 · N750H · Destroyed NTSB DEN90T#A01Accident · No injuriesClass 3Final reportMBB BO-105S · Mercury, NVOct 2, 1989 · N7EG · Substantial damage NTSB FTW89FA093Accident · 1 fatalField investigationFinal reportMBB BO-105S · W Cameron BlkThe partial electrical failure of the micro-switch for the outboard lateral guide assembly, and the incorrect guard installed on the hydraulic test switch, resulting in a total hydraulic failure. Factors were: the incorrect installation of the guard by an…May 7, 1989 · N2785B · Destroyed NTSB FTW89LA031Accident · Minor injuriesLimited investigationFinal reportMBB BO-105 · South Marsh 113Failure and separation of one of the tail rotor blades for undetermined reasons. Thr resulting imbalance and vibration caused the separation of the 90 degree gearbox and a portion of the vertical pylon which necessitated the emergency autorotation to the…Dec 5, 1988 · N2785B · Substantial damage NTSB FTW86FA116Accident · 1 fatalField investigationFinal reportMBB 105 · Houma, LAA fatigue failure in a main rotor blade pitch change link resulted in the loss of control of one blade, leading to an in flight separation of the tail boom. The helicopter was uncontrollable and pitched forward, impacting the ground inverted.Jun 13, 1986 · N2784E · Destroyed NTSB LAX86LA214Accident · Serious injuriesLimited investigationFinal reportMBB BO-105S · La Jolla, CAThe pilot lost control of the helicopter's rotor system during the initial climb phase of the flight. The aircraft spun out of control and crashed on an interstate highway. Company maint applied AD-85-26-02 to detect or prevent jamming of rotorcraft controls…May 9, 1986 · N2784N · Substantial damage NTSB FTW83FA430Accident · 2 fatalField investigationFinal reportMBB BO-105S · Grand Chenier, LAThe acft departed an offshore platform at 1510 for a 13 min flt to Grand Chenier. On 9/20 the wreckage was recovered from the floor of the gulf. The bottom left side of the fuselage revealed evidence of high impact forces with the water. There was no evidence…Sep 15, 1983 · N3456T · Destroyed NTSB FTW79DA018Accident · 1 fatalClosedBolkow B-105 · Morgan City, LANov 29, 1978 · N46977 · Substantial damage NTSB FTW78FA078Accident · No injuriesClosedBolkow BO-105 · Morgan City, LASep 11, 1978 · N46977 · Substantial damage NTSB NYC70AN126Accident · 2 fatalClosedMess-Boelkw B0-105 · Little Compton, RIJun 3, 1970 · N197F · Destroyed