# NTSB investigations: Bell 47G-2: Loss of control in flight

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 CEN26LA234](https://openairdocs.org/ntsb/CEN26LA234.md): Bell 47G-2 · Troy, MO · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jun 22, 2026 · N65520 · Substantial damage
  > On June 22, 2026, about 1840 central daylight time, a Bell 47G-2 helicopter, N65520, was substantially damaged when it was involved in an accident near Troy, Missouri. The pilot sustained serious injuries. The helicopter was operated as a Title 14 Code of…
- [NTSB WPR22LA096](https://openairdocs.org/ntsb/WPR22LA096.md): Bell 47 · Fallon, NV · Accident · No injuries · Class 4 · Limited · Final report · Feb 11, 2022 · N1023V · Substantial damage
  > The pilot's failure to maintain control of the helicopter during a hover which, resulted in a collision with a hangar.
- [NTSB GAA19CA250](https://openairdocs.org/ntsb/GAA19CA250.md): Bell 47G · Denton, TX · Accident · No injuries · Data collection · Final report · May 6, 2019 · N5990 · Substantial damage
  > The flight instructor's improper decision to instruct the student pilot to establish a hover and reposition the helicopter with a tailwind, which resulted in the student pilot's loss of pitch control.
- [NTSB CEN19LA067](https://openairdocs.org/ntsb/CEN19LA067.md): Bell 47G · Belen, NM · Accident · No injuries · Limited investigation · Final report · Jan 11, 2019 · N3755Z · Substantial damage
  > The pilot's failure to maintain adequate main rotor speed while the helicopter was in an out-of-ground effect hover.
- [NTSB WPR09CA333](https://openairdocs.org/ntsb/WPR09CA333.md): Bell 47G-2 · Turlock, CA · Accident · No injuries · Data collection · Final report · Jul 8, 2009 · N6768D · Substantial damage
  > The pilot's failure to maintain rotor RPM while maneuvering at a low altitude.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181008')
    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" = '240' 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
```

This list as a web page: https://openairdocs.org/ntsb-events/240/sequence?model=1181008

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