# NTSB investigations: Messerschmitt-Boelkow-Blohm BO-105S, 1986

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 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 LAX86LA214](https://openairdocs.org/ntsb/LAX86LA214.md): MBB BO-105S · La Jolla, CA · Accident · Serious injuries · Limited investigation · Final report · May 9, 1986 · N2784N · Substantial damage
  > The 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…

## 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 year(c."eventDate") = 1986
  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?model=5626006&year=1986

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