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

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB MIA05FA008](https://openairdocs.org/ntsb/MIA05FA008.md): Eurocopter Deutschland BO-105 CBS5 · Santa Rosa Bch, FL · Accident · 3 fatal · Field investigation · Final report · Oct 20, 2004 · N916SH · Destroyed
  > The 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…
- [NTSB LAX99FA137](https://openairdocs.org/ntsb/LAX99FA137.md): Mbb B0-105CBS-4 · Indian Springs, NV · Accident · 3 fatal · Field investigation · Final report · Apr 4, 1999 · N105HH · Destroyed
  > the pilot's decision to continue VFR flight in deteriorating IFR conditions resulting in spatial disorientation and subsequent loss of control.
- [NTSB FTW97FA121](https://openairdocs.org/ntsb/FTW97FA121.md): MBB BO-105S · Lena, LA · Accident · 1 fatal · Field investigation · Final report · Mar 14, 1997 · N7161J · Destroyed
  > The 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…
- [NTSB FTW97FA014](https://openairdocs.org/ntsb/FTW97FA014.md): Mbb BO-105 CBS-4 · Cameron, LA · Accident · 1 fatal · Field investigation · Final report · Oct 10, 1996 · N299EH · Destroyed
  > the pilot's failure to maintain clearance with terrain for undetermined reasons. Contributing factors were the dark night and pilot fatigue.
- [NTSB FTW96FA265](https://openairdocs.org/ntsb/FTW96FA265.md): Mbb BO-105 · Sabine Pass, TX · Accident · 4 fatal · Field investigation · Final report · Jun 21, 1996 · N2906T · Destroyed
  > The failure of the sun gear within the main transmission resulting in the main rotor system not being driven.
- [NTSB FTW96FA136](https://openairdocs.org/ntsb/FTW96FA136.md): Mbb BO-105 · Gulf Of Mexico · Accident · 2 fatal · Field investigation · Final report · Feb 10, 1996 · N126EH · Destroyed
  > The pilot's failure to maintain clearance from the ocean for unknown reasons.
- [NTSB FTW96FA028](https://openairdocs.org/ntsb/FTW96FA028.md): Mbb BO-105S · League City, TX · Accident · 2 fatal · Field investigation · Final report · Oct 26, 1995 · N105AG · Destroyed
  > the 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.
- [NTSB MIA95FA018](https://openairdocs.org/ntsb/MIA95FA018.md): Bölkow BO-105S · Perry, FL · Accident · 2 fatal · Field investigation · Final report · Nov 4, 1994 · N911LF · Destroyed
  > Failure of the pilot to maintain sufficient clearance from the power line, while buzzing (at low altitude).
- [NTSB NYC92FA044](https://openairdocs.org/ntsb/NYC92FA044.md): MBB BO-105CBS · De Ruyter, NY · Accident · 3 fatal · Field investigation · Final report · Dec 10, 1991 · N750H · Destroyed
  > An 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.
- [NTSB FTW89FA093](https://openairdocs.org/ntsb/FTW89FA093.md): MBB BO-105S · W Cameron Blk · Accident · 1 fatal · Field investigation · Final report · May 7, 1989 · N2785B · Destroyed
  > The 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…
- [NTSB FTW86FA116](https://openairdocs.org/ntsb/FTW86FA116.md): MBB 105 · Houma, LA · Accident · 1 fatal · Field investigation · Final report · Jun 13, 1986 · N2784E · Destroyed
  > A 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.
- [NTSB FTW83FA430](https://openairdocs.org/ntsb/FTW83FA430.md): MBB BO-105S · Grand Chenier, LA · Accident · 2 fatal · Field investigation · Final report · Sep 15, 1983 · N3456T · Destroyed
  > The 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…
- [NTSB FTW79DA018](https://openairdocs.org/ntsb/FTW79DA018.md): Bolkow B-105 · Morgan City, LA · Accident · 1 fatal · Closed · Nov 29, 1978 · N46977 · Substantial damage
- [NTSB NYC70AN126](https://openairdocs.org/ntsb/NYC70AN126.md): Mess-Boelkw B0-105 · Little Compton, RI · Accident · 2 fatal · Closed · Jun 3, 1970 · N197F · Destroyed

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```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."highestInjuryLevel" = 'Fatal'
  AND 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
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=5626006

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