# NTSB investigations: Bell 47G-2A: Collision with terr/obj (non-CFIT)

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 CEN16LA161](https://openairdocs.org/ntsb/CEN16LA161.md): Bell 47G-2A · Los Fresnos, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 21, 2016 · N64702 · Destroyed
  > The pilot's inability to see and avoid the power lines because of trees obscuring his view.
- [NTSB WPR15LA116](https://openairdocs.org/ntsb/WPR15LA116.md): Bell 47G 2A · Ivanhoe, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 27, 2015 · N4774S · Substantial damage
  > The pilot’s failure to maintain clearance from a power line while maneuvering at low altitude.
- [NTSB WPR14CA296](https://openairdocs.org/ntsb/WPR14CA296.md): Bell 47G 2A · Merced, CA · Accident · Serious injuries · Data collection · Final report · Jul 18, 2014 · N47DT · Substantial damage
  > The pilot's failure to adequately monitor the environment to maintain clearance from the power pole guide wire during low level maneuvering.
- [NTSB CEN12CA484](https://openairdocs.org/ntsb/CEN12CA484.md): Bell 47G-2A · Austin, IN · Accident · Serious injuries · Data collection · Final report · Jul 27, 2012 · N652HA · Substantial damage
  > The pilot did not maintain clearance from terrain during a low-level aerial application flight and lost control of the helicopter.
- [NTSB CEN12LA480](https://openairdocs.org/ntsb/CEN12LA480.md): Scotts-Bell 47 47G-2A · Akeley, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 25, 2012 · N73252 · Substantial damage
  > The pilot’s failure to maintain helicopter control during low altitude agricultural operations.
- [NTSB CEN11CA525](https://openairdocs.org/ntsb/CEN11CA525.md): Bell 47G-2A · Nicolett, MN · Accident · No injuries · Data collection · Final report · Jul 27, 2011 · N7578 · Substantial damage
  > The pilot's failure to maintain control of the helicopter while maneuvering during an aerial application flight.
- [NTSB CEN09CA517](https://openairdocs.org/ntsb/CEN09CA517.md): Bell 47G-2A · Covert, MI · Accident · No injuries · Data collection · Final report · Aug 11, 2009 · N9526 · Substantial damage
  > A loss of engine power due to fuel starvation as a result of blocked fuel vents.

## 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 ('1181012')
    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" = '470' 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/470/sequence?model=1181012

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